Use Your Telescope For Terrestrial Observation. This notionally enables the Powerseeker 127EQ to be used for terrestrial . For Birders. December 30, 2018 in Getting Started Equipment Help and Advice, This is my first post to this group. Celestron 20mm Erecting Image Eyepiece (31042-EIE) Home / Celestron 20mm Erecting Image Eyepiece (31042-EIE) $21.00. Overall, erecting eyepieces are very bad. When I try to focus in on Saturn or Jupiter, it feels like I need to focus more out, but when I do, it focuses out too much (from a perspective of not using the eyepiece). So I'm not sure if the 20mm erecting lens is faulty? A 130mm aperture is capable of reaching even higher powers, however the manufacturer equipped that model with a spherical primary-mirror, instead of the accepted and expected parabolic. Feel free to discuss anything here, from what sort of telescope you should get, to how to actually use that scope of yours! These cookies will be stored in your browser only with your consent. The problem I have is it seems impossible to attach a filter to the 20mm erecting eyepiece. Does it feel like you need to focus more in or out, or does it go past the point where it "should" focus, without ever getting a good image? You can barlow the 20mm Plossl, for a simulated 10mm, with a 2x barlow https://www.365astronomy.com/GSO-2x-Barlow-2-Element-Achromatic-Barlow.html. That will serve as your lowest power(20x), for hunting, for observing the star-studded fields of the Milky Way, the Pleiades, and the galaxy in Andromeda. Is a 10mm or 20mm eyepiece more powerful? They both have their advantage and disadvantage. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. The included 10mm is most certainly usable, but it's not a Plossl, either. (TOP 5 Tips), Why Is Sean Hannity Like The Hubble Telescope? We also use third-party cookies that help us analyze and understand how you use this website. DUE TO EXTREMELY HIGH DEMAND, WE WILL NOT BE TAKING NEW ORDERS UNTIL MONDAY, DECEMBER 14. A decent 3-inch scope at 50x [50 times magnification] can reveal them as a distinct structure that is completely isolated from the orb of the planet on all sides. I just bought GSO ED 3x Barlow but it makes 20mm quite hazy when i see jupiter or saturn Do u think theres a problem with Barlow.. or something else You need to be a member in order to leave a comment. Or, remove the eyepiece, insert a Barlow, reinsert the eyepiece, and repeat the steps above. you need to get your eye in the right position to get a full view, you might be viewing too far away or too close to the eyepiece, so that the view appears to wobble or dissappear altogether. The 20mm erecting eyepiece gives an upright, perfectly oriented picture for terrestrial studies when used with an erecting telescope. This website uses cookies to improve your experience while you navigate through the website. A Guide to the Best telescope for beginners. I used both a 10mm and a 20mm lens within the erecting eyepiece. The Moon appears spectacularly in these telescopes, as do Mars, Venus, Jupiter, Saturn, Neptune, Pluto, and the Dwarf Planets. The Best Beginner Telescopes for Astroimaging, Celestron 20mm Erecting Image Eyepiece (31042-EIE). Appreciate you thoughts The 20mm erecting eyepiece gives an upright, perfectly oriented picture for terrestrial studies when used with an erecting telescope. Required fields are marked *, Copyright . I'm using the Celestron AstroMaster 130EQ. With a larger picture to begin with, the eyepiece will be able to provide a larger image for the viewer to see (higher magnification). The eyepieces and other accessoriesdo not have to be acquired all at once, and they should be chosen carefully, as the eyes from individual to individual differ. I tried using it during the night, but I will try using it during the day. The calculation is simple: divide the focal length of the scope by that of the eyepiece. It magnifies the added eyepiece by 5x. F/5 reflector with short back-focus). Stormflagflying, SKU: SW10ERECT Categories: Accessories, Eyepieces & Diagonals Tags: 1.25 diagonal, 10mm erecting eyepiece. Copyright 2022 Camera Concepts & Telescope Solutions Which way do the lenses go in a telescope? The focal-length of a 130mm f/5 is rather short, at 650mm. Your Personal Discovery of the Wonders of the Universe begins here Celestron Rowe-Ackermann Schmidt Astrograph Series, Celestron Nexstar SLT Computerized Series, Flextube/Collapsible Dobsonian Telescopes, Flextube SynScan/GOTO Collapsible Dobsonian Telescopes, Optical Enhancements: Focal Reducers, Field Flatteners and Coma Correctors. If I take it out of the Telescope and look through it I get a full circle and just to confuse matters even more if I insert the 10mm eyepiece into the Telescope then I do get a full circle to view the image on. As a point of comparison, the Moon has a magnitude of -12.74 while Mars has a magnitude of -2.6. Appreciate you thoughts Eyepieces are fullythe other half of a telescope. The above extremely quick and erudite posts are testament to the fact that youve founda good place to be. What is the proper way to use a telescope? In Stock For Delivery. Because the focal lengths of my telescopes span from less than 400 mm to almost 2800 mm, a 20mm eyepiece in any of them does not serve as a planetary, high power, or even mid-power eyepiece; rather, it is a low to mid-power deep sky eyepiece. This website uses cookies to improve your experience. If so , this should disappear when you focus on a distant object. there was no in between. Plossls are the barest minimum if you're wanting performance, and they're not expensive https://www.365astronomy.com/GSO-Super-Plossl-Eyepieces/. Turn one of the two knobs to the side or below the eyepiece-first one way, then the other-until the object is in focus. Lots of folks desire to use a Newtonian-type telescope terrestrially, but the feat is difficult to accomplish; enter this 20mm erecting-eyepiece, albeit a weak entry in light of the image-erectors available, whereby one might use any eyepiece terrestrially, although those units are few and far between. Of a similar optical design to the Skywatcher modified achromatic designs and perfect for starter telescopes. (Correct answer). Improve this question. My first scope came with one of these Celestron erecting eyepieces and the biggest improvement to my viewing experience happened when I discarded it in favour of a second-hand 20mm generic Plossl eyepiece which cost me less than 15 because; - the erecting EP showed targets the opposite way up to my other eyepieces- confusing. and for a power of 65x. The 20mm is an erecting eyepiece, showing an upright image rather than the usual inverted view in astronomical telescopes. Would you want to view Saturns rings? I'm looking forward to it. If you use even the tiniest telescope at 25x [25 times the magnification], you should be able to see Saturns rings. I have raised the issue with Celestron Tech support but so far have had no response so I thought I would post here as I am keen to get out and get using it. Sky-Watcher 5 Years Limited Warranty. The following are the most important parameters for a truly functional first telescope: a minimum aperture of at least 90mm for a refractor and 130mm for a reflector, as well as a focal length of at least 1,000mm for each. The 10mm is a standard, non-erecting eyepiece, and both are designed to work with 1.25 focusers and . You also have the option to opt-out of these cookies. Since you use a low power EP to get a larger FOV this rather defeats the object. It will even cause an object to stand still there in the center of an eyepiece, and for as long as you'd like. Still, 20mm is rather versatile, hence my . The home to all amateur astronomers & telescopes! Features: BEST Telescope for Kids Beginners: telescope meets all the needs of beginners, and the kids astronomical journey begins from here! The circumstances you describe sounds like what we call kidney-beaning, ie. It's easy! 375 1 1 silver badge 11 11 bronze badges $\endgroup$ 3. Help support our channel https://bit.ly/30gW2MaThe Celestron 20mm erect image eyepiece comes as standard with a number of the Celestron Newtonian type telesc. The 10mm is a standard, non-erecting eyepiece, and both are designed to work with 1.25 focusers and are sold separately. We'll assume you're ok with this, but you can opt-out if you wish. The info I require is for a friend of mine who wants to use his birthday present he got from his wife ages ago for viewing the planets etc above us and also for wildlife viewing and of course he likes to see the animals etc the right way up, ha, ha. (With Illustrations). Because the focal length of the telescope is 900mm, a 4.5mm eyepiece would be perfect for achieving the highest possible practical magnification with the telescope. Use with Newtonian Reflector Telescopes or Refractor Telescopes are both acceptable methods of observation. Here are pictures of the eyepieces: Celestron 20mm Erecting Eyepiece. I tried to focus in on Saturn, but it would not focus. All Rights Reserved Powered by. Quantity-1 + Add To Basket. Your email address will not be published. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Getting Started Equipment Help and Advice. A basic set of eyepieces generally includes 32mm, 20mm . I suspect I will be a familiar poster for a while as I discover this new fascination. A single (plastic?) Tools for Beginners. Barlow lenses are a better option if you want higher magnification. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. (avoid the sun!) When using a 100mm telescope, the greatest magnitude achieved is 13.6. Much better build and optical quality than some. Supposed erecting k20mm Celestron eyepiece - posted in Beginners Forum (No astrophotography): Just got a used very dirty Celestron powerseeker 127 eq which had been sitting uncovered in a shed, for dirt cheap. Read our guide! Such will allow you to track an object automatically, hands-free. You can't use one without the other, unless a camera takes the place of an eyepiece, as when imaging with a telescope. The eyepiece has two lens, a smaller but thick one on the eye end . - the built in erecting prisms limit the apparent field of view to less than 30 degrees, versus about 50 degrees for a Plossl. Keep your eyes from being too close to the eyepiece. being too close will prohibit you from blinking and will also cause a black ring to develop around the field of view. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Terry. Suitable for use with Newtonian Reflector Telescopes or Refractor telescopes are for 1.25 focusers. Reasons Why I Can See Through My Telescope? Suitable For Reflector or Refractor Telescopes. you need to get your eye in the right position to get a full view, you might be viewing too far away or too close to the eyepiece, so that the view appears to wobble or dissappear altogether. Scored a great Dob: 16 primary f/5 truss. Next, place the spacer and lens into the eyepiece barrel. Its cleaned up OK. there was no in between. Firstly, the 20mm 'erecting' eyepiece is mainly for daytime use. I'm really looking forward to being part of this community as I take my first step into the stars Sign up for a new account in our community. - Powered by. To What Can You Look Forward When Using 100mm Telescopes? How To Find Objects In Night Sky With A Telescope? Terry. The problem I have is that when I insert the 20mm erecting eyepiece and then look through it, the circle that you see (not sure of the correct name) is not full and looks like it is eclipsed at the top for about 40 percent of the circle. Reviews (0) Article number: 31042-EIE. Hi John. Using Telescope Eyepieces. I'm really looking forward to being part of this community as I take my first step into the stars I was fortunate enough to receive a Celestron 130eq Telescope for Christmas (I have had to wait 57 year for my first Telescope but I now have one). If I take it out of the Telescope and look through it I get a full circle and just to confuse matters even more if I insert the 10mm eyepiece into the Telescope then I do get a full circle to view the image on. Place your eye just beneath it to benefit from the eye comfort it provides. This combination will offer sufficient light grab while also allowing for a high enough magnification to discern fine detail on the brighter planets in the solar system. It would go from a X like shape in the middle of a ball of light (Saturn) or it would be to fuzzy to see any detail. Mercury is also visible with these telescopes. Suitable for use with Newtonian Reflector Telescopes or Refractor telescopes. Equipped with 3X Barlow lens and two eyepieces, H20mm and H6mm, kids can get a magnification of 15X to 150X. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Saturns rings may be visible under specific situations, but they will seem to be the same hue as the planet in all other circumstances. Share. The narrow step end of the spacer will go down into the eyepiece barrel. The circumstances you describe sounds like what we call kidney-beaning, ie. If you use an eyepiece with a shorter focal length to increase the magnification, you get shorter eye relief and . Why cant I see planets through my telescope? They are excellent for viewing enormous objects like as the Orion nebula, the complete lunar disc, vast open clusters, and many other things because of their shorter focal length. Hi Terry, welcome to the Lounge. A 13mm or 14mm eyepiece would suffice for a medium power eyepiece (about 150X magnification). The 20mm erecting eyepiece provides an upright, correctly orientated image for terrestrial observations. Limited use during the day, virtually useless during the night. I would suggest a 32mm from that listing, and to help find your way around the sky. 10mm Erecting Eyepiece. We have placed cookies on your device to help make this website better. With the 10mm eyepiece you have to get your eye closer and this may explain the better view. This means that Pluto and all of the other minor planets in the Solar System will very certainly remain out of reach. The smaller (greater magnification) lens is typically approximately 10mm in diameter. Tools for Beginners Tools for Beginners. The result is that a smaller number on an eyepiece corresponds to a greater magnifying power. The Moon is a celestial body. A 10mm eyepiece would offer two times the magnification of a 20mm eyepiece, and vice versa. The majority are the ones delivered with "department store" telescopes. Add to cart. I tried to focus in on Saturn, but it would not focus. Necessary cookies are absolutely essential for the website to function properly. I have over twelve telescopes, but only one of each focal-length of eyepiece, mostly. Eye-relief is noted within the specs of the listings of most eyepieces; usually, 20mm of eye-relief is preferred by eyeglass-wearers. These cookies do not store any personal information. But the included K20mm eyepiece which is supposed to be erecting, produces all images upside down. 1 Grovers Optics & Photo216-217 High Street, NorthallertonNorth Yorkshire, DL7 8LW. The focal length of an eyepiece is the most crucial feature to consider. A regular eyepeice for night viewing. Or, if you already have a 2x barlow at the time, you can get either an 8mm or 9mm eyepiece. Information. - the light loss through the prism set makes the view noticeably dimmer than a normal eyepiece of that focal length. As said it may be kidney-beaning, or if viewing with the scope way out of focus you may be seeing the shadow of the secondary mirror & spider. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . It magnifies the added eyepiece by 5x. These cookies ensure basic functionalities and security features of the website. For example, if you wear prescription-eyeglasses, and find that you need to wear them at the eyepiece, then you may need eyepieces with longer eye-relief, and in order to see the full field-of-view. telescope; newtonian-telescope; telescope-lens; Share. If anyone could point out what i'm doing wrong, that would be great! Did you try during the day? What time is best to use it during the day? I used both a 10mm and a 20mm lens within the erecting eyepiece. It is quite easy to observe every planet in the Solar System using a telescope of 70mm aperture. With the 2x barlow and the 8mm, you would have a simulated 4mm(163x); with the 9mm, a simulated 4.5mm(144x). Welcome to SGL. The eyepiece allows another lens to go inside it. Consider that the smallest focal length in the box with many Celestron basic telescopes is a 10mm eyepiece, the shortest focal length available on the market. I found this old erecting eyepiece in my room a days ago and decided to use it. Your email address will not be published. Copyright 2021 Stargazers Lounge Overall, I'm new-ish to astronomy so I'm still learning the ropes. I made myself a variable canon telescope/spotting scope/finder. Celestron 1.25 eyepiece for use with reflecting and refracting telescopes, The 20mm erecting eyepiece provides an upright, correctly orientated image for terrestrial observations. Press question mark to learn the rest of the keyboard shortcuts. $ 79.95. Can I see Saturn rings with 70mm telescope? Place the big lens with the curved side up into the larger diameter end of the spacer. Hi Terry, welcome to the Lounge. kidney-beaning' and lots of other stuff that I am going to have to look up :-). A basic functioning telescope is comprised of little more than a pair of lenses fitted in a tube and is designed to be portable. Find many great new & used options and get the best deals for CELESTRON 20mm Erecting Eyepiece for Reflective Astronomical Telescope at the best online prices at eBay! You can motorise the RA-axis of the kit's mount, and with an economical 9V-battery(a lithium-type during the winter) motor-drive https://www.firstlightoptics.com/celestron-astromaster-series/motor-drive-celestron-astromaster-geq-93514.html. A parabolic primary-mirror is the standard for f/5 Newtonians. In that event, you would need a 12mm Plossl and a 3x barlow, and for a simulated 4mm(163x) https://www.rothervalleyoptics.co.uk/antares-x3-achromat-fmc-barlow-lens-125.html. I am very impressed (Plus I learnt a new term 'kidney-beaning' and lots of other stuff that I am going to have to look up :-). If desired, switch eyepieces to a higher power and repeat the steps above. Only logged in customers who have purchased this product may write a review. Plastic-y. So I'm not sure if the 20mm erecting lens is faulty? Package 1 x 20mm Erecting Eyepiece. What size telescope do I need to see the rings of Saturn? By How to Collimate your SCT Telescope + Amazing Saturn Opposition! Free shipping for many products! I'm looking forward to it. Use with Newtonian Reflector Telescopes or Refractor Telescopes are both acceptable methods of observation. A 20mm Plossl will give you a power of 33x, and for closer look. Examine the scene via the eyepiece. This is my first post to this group. I'm afraid you won't get much use out of the 20mm. Extending field (long focal length) telescope eyepieces in the 25mm 30.9mm range are ideal for viewing big nebulae and open clusters with a longer focal length. The smaller the focal length of the eyepiece, the greater the resulting magnification on any given telescope. Planets are tiny and far away enough from the Earth that they will never cover a substantial percentage of your field of vision, even at the greatest practical magnification available on your telescope. The bigger one is typically between 20mm and 25mm in diameter and has a lower power rating (lowest magnification). Suitable for use with Newtonian Reflector Telescopes or Refractor telescopes are for 1.25 focusers, Open 7 Days In-Store With Friendly Expert Advice Delivery or Click n Collect Details Here 21 Days Returns Policy Details Here. Entry-level kits do not include the best of eyepieces and accessories, so you'll wantto complement the experience with a Plossl or two, or three. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. If it's solely focusing issues, depending on the telescope, there might be back-focusing trouble (e.g. I was fortunate enough to receive a Celestron 130eq Telescope for Christmas (I have had to wait 57 year for my first Telescope but I now have one). lens adding chromatic aberration and what-not. But opting out of some of these cookies may have an effect on your browsing experience. Which eyepiece is best for viewing the moon? For Astronomers. The objective lens, which is located in front of the camera, is responsible for focusing the picture; the eyepiece lens, which is located behind the camera, is responsible for magnifying the image. I have a Celestron Powerseeker 114EQ and recently purchased a light filter set having read good things about them. Those are merely examples and suggestions. I have raised the issue with Celestron Tech support but so far have had no response so I thought I would post here as I am keen to get out and get using it. Thank you all so very much for your quick responses and the completeness of the information you have provided me with. I picked up a telescope after giving my last one away 1 Bought my first reflector - 135mm - waiting for good weather, Press J to jump to the feed. Discover this NEW fascination and decided to use it Collimate your SCT telescope + Amazing Saturn!... Northallertonnorth Yorkshire, DL7 8LW prism set makes the view noticeably dimmer than a normal eyepiece that... Place the spacer, Why is Sean Hannity like the Hubble telescope at 25x 25... Two times the magnification of 15X to 150X the greatest magnitude achieved is 13.6 two knobs to the Plossl. Learn the rest of the spacer impossible to attach a filter to the eyepiece has two lens, smaller... Through the prism set makes the view noticeably dimmer than a normal eyepiece of that focal length of eyepiece. Repeat the steps above half of a similar optical design to the or. Can you look Forward when using 100mm Telescopes methods of observation youve founda good place to.... Quick and erudite posts are testament to the 20mm by eyeglass-wearers between 20mm and 25mm in and! System using a 100mm telescope, the 20mm erecting eyepiece of 15X to 150X 100mm! Telescope at 25x [ 25 times the magnification, you should be able to see the of! If it 's solely focusing issues, depending on the how to use 20mm erecting eyepiece comfort it provides by! Included K20mm eyepiece Which is supposed to be portable Categories: Accessories, eyepieces amp. Medium power eyepiece ( 31042-EIE ) a 130mm f/5 is rather versatile, hence my ensure basic functionalities and features! A larger FOV this rather defeats the object a greater magnifying power easy... Preferred by eyeglass-wearers channel https: //www.365astronomy.com/GSO-2x-Barlow-2-Element-Achromatic-Barlow.html comes as standard with a telescope 14mm would... Reddit may still use certain cookies to ensure the proper way to a... Tiniest telescope at 25x [ 25 times the magnification, you can barlow the 20mm Image... Effect on your browsing experience and its partners use cookies and similar to. Able to see the rings of Saturn observe every planet in the Solar System using a telescope of 70mm.!: telescope meets all the needs of Beginners, and repeat the steps above of cookies. Has a magnitude of -2.6 kidney-beaning ' and lots of other stuff that i going! Dob: 16 primary f/5 truss i found this old erecting eyepiece ago and to! What i 'm still learning the ropes prism set makes the view noticeably dimmer than a normal eyepiece that... Night Sky with a better experience a pair of lenses fitted in a telescope, remove the,! Fullythe other half of a how to use 20mm erecting eyepiece f/5 is rather versatile, hence my great Dob: 16 f/5... Is preferred by eyeglass-wearers see Saturns rings on an eyepiece corresponds to a greater magnifying power will... Is comprised of little more than a pair of lenses fitted in a telescope bigger is... Of a 20mm Plossl, either low power EP to get your eye closer and may! 'M not sure if the 20mm night Sky with a telescope of 70mm aperture the time, you barlow... Smaller ( greater magnification ) a filter to the eyepiece has two lens, a smaller on. To continue HIGH Street how to use 20mm erecting eyepiece NorthallertonNorth Yorkshire, DL7 8LW fitted in a telescope of aperture! The curved side up into the larger diameter end of the website Sky. Rather short, at 650mm go in a tube and is designed to work 1.25. The Celestron Newtonian type telesc used both a 10mm eyepiece you have to look up: - ) an... Also have the option to opt-out of these cookies used with an erecting telescope view noticeably dimmer a! An upright, perfectly oriented picture for terrestrial studies when used with an erecting eyepiece gives upright. Room a days ago and decided to how to use 20mm erecting eyepiece a telescope Best to use it the. Kidney-Beaning, ie one of each focal-length of a telescope 2018 in Getting Equipment... On the telescope, there might be back-focusing trouble ( e.g field of view 20mm Plossl will give a... Responses and the completeness of the eyepiece, and for closer look you be... Fact that youve founda good place to be used for terrestrial 're ok with this but. Have a 2x barlow at the time, you should be able to see the rings of?. The two knobs to the Skywatcher modified achromatic designs and perfect for starter Telescopes eyepiece in my a. Other half of a telescope one on the eye comfort it provides the 127EQ! Filter to the 20mm erecting eyepiece help support our channel https how to use 20mm erecting eyepiece //bit.ly/30gW2MaThe Celestron 20mm erect eyepiece., reinsert the eyepiece allows another lens to go inside it it seems impossible attach... The light loss through the prism set makes the view noticeably dimmer a! Diagonal, 10mm erecting eyepiece cookies to improve your experience while you through... Founda good place to be erecting, produces all images upside down Newtonian type telesc to! This old erecting eyepiece, and the completeness of the two knobs the... 20Mm erect Image eyepiece ( about 150X magnification ) what can you look when! Increase the magnification, you can get a larger FOV this rather the! ' and lots of other stuff that i am going to have to get your eye closer this. Smaller the focal length of the Celestron Newtonian type telesc the greater resulting. In my room a days ago and decided to use it during the night through. Minimum if you use even the tiniest telescope at 25x [ 25 times the magnification, you can barlow 20mm... Be TAKING NEW ORDERS UNTIL MONDAY, december 14 most crucial feature to consider,... 1 Grovers Optics & Photo216-217 HIGH Street, NorthallertonNorth Yorkshire, DL7 8LW comes standard! Us analyze and understand how you use an eyepiece is mainly for use! Okay to continue planets in the Solar System using a 100mm telescope, there be. Tube and is designed to work with 1.25 focusers and are sold separately to increase the magnification you... When used with an erecting telescope greater magnifying power lowest magnification ) much! 31042-Eie ) $ 21.00: //www.365astronomy.com/GSO-Super-Plossl-Eyepieces/ correctly orientated Image for terrestrial observations side below. The object and two eyepieces, H20mm and H6mm, kids can get either an 8mm 9mm. Plossl will give you a power of 33x, how to use 20mm erecting eyepiece vice versa to ensure proper... The result is that a smaller but thick one on the eye.! Usually, 20mm of eye-relief is noted within the erecting eyepiece, a smaller thick. Than a normal eyepiece of that focal length parabolic primary-mirror is the most crucial feature to consider this product write. Both a 10mm and a 20mm Plossl will give you a power of 33x, and closer. And similar technologies to provide you with a telescope use cookies and similar technologies provide! Scored a great Dob: 16 primary f/5 truss and are sold separately & telescope Which. Sct telescope + Amazing Saturn Opposition MONDAY, december 14 sure if the 20mm & # ;! Very much for your quick responses and the completeness of the other planets! Doing wrong, that would be great both a 10mm and a 20mm will! $ 3 the greatest magnitude achieved is 13.6 allows another lens to go inside it you focus a... Any given telescope have over twelve Telescopes, but it 's not Plossl... Of the Celestron Newtonian type telesc and understand how you use even the tiniest telescope 25x... Started Equipment help and Advice, this is my first post to this group but opting out how to use 20mm erecting eyepiece! One of the eyepiece barrel the prism set makes the view noticeably dimmer than a normal eyepiece of that length... Notionally enables the Powerseeker 127EQ to be erecting, produces all images upside down might be back-focusing trouble (.... Lenses are a better experience minor planets in the Solar System using a 100mm telescope, there might be trouble... Disappear when you focus on a distant object oriented picture for terrestrial observations discover NEW... Poster for a medium power eyepiece ( 31042-EIE ) $ 21.00 130mm f/5 is rather short, at 650mm Image. Plossl, for a simulated 10mm, with a better option if you use the... Needs of Beginners, and repeat the steps above FOV this rather defeats object... The Powerseeker 127EQ to be portable has two lens, a smaller but thick one on the telescope, might. Rather defeats the object is in focus parabolic primary-mirror is the proper functionality of our.. Pictures of the listings of most eyepieces ; usually, 20mm is an erecting telescope having good. 30, 2018 in Getting Started Equipment help and Advice, this is first! Is faulty be portable is my first post to this group 're ok with this, but only of... And will also cause a black ring to develop around the Sky low power to! If you use a low power EP to get a magnification of a similar optical design to Skywatcher... Discover this NEW fascination between 20mm and 25mm in diameter and has a magnitude of while. Lens and two eyepieces, H20mm and H6mm, kids can get a magnification a. The completeness of the spacer and lens into the larger diameter end of the listings of most eyepieces ;,... Celestron Newtonian type telesc i tried to focus in on Saturn, but i will be a familiar for... With an erecting telescope have placed cookies on your browsing experience we will not be TAKING NEW UNTIL. Can barlow the 20mm erecting lens is faulty website to function properly on an with... Is mainly for daytime use telescope, the Moon has a magnitude of -12.74 Mars...
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