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david
Reviewed in the United Kingdom on February 11, 2025
this is a great piece of kit for viewing the moon and planets .
Stephen B.
Reviewed in the United Kingdom on February 1, 2025
Just had a Telescope as a gift for Christmas.This is a great addition to my collection of lenses.
W.P.
Reviewed in the United States on September 24, 2024
The NEEWER Zoom Telescope Eyepiece with 7-21mm Focal Length Range, 40°-57° Field of View, didn't knock my socks off. It didn't improve or look better than I had hoped or anticipated from looking at the specs. My current eyepieces seem a whole lot better, and better made than this eyepiece. This eyepiece looks too blurry and very far. I cannot see anything half the time no matter which zoom field I use.
MR
Reviewed in the United States on August 14, 2024
This eyepiece is bright and sharp from 9-21mm zoom range. From 7-9mm it starts to blur slightly. It has good relief.It's really impressive for the money, so I recommend it.
Nathan S.
Reviewed in the United States on July 18, 2024
I haven't used a zoom eyepiece before this one, but this one is amazing for quickly finding planets in the frame and then zooming in. I've been able to use it to view the polar ice caps on Mars, and it's just so cool to see the planets with this eyepiece. I cannot recommend this enough, especially if you have a large telescope with a lot of light-gathering power. It works great with my 10" Dobsonian telescope.
Cassi
Reviewed in the United States on June 30, 2024
This is a decent zoom eyepiece for the money. Good when you don't want to constantly reach for and install different eyepieces. Not top of the line optics but then you are not paying a premium price tag either. I'm happy with this and is very good for casual viewing when you don't want to bring out the whole box of eyepieces.
Francisco
Reviewed in Mexico on May 18, 2024
Aunque la visión de pupila es muy reducido en la mínima ampliación. Conforme acostumbras la visión a reducido ángulo vas apreciando la calidad de imagen. Al subir los aumentos progresa el ángulo visual.
Canis
Reviewed in the United States on May 13, 2024
I have a few NEEWER products and they can perform very well for the money charged.This eyepiece is no exception.Is this the end all of eyepieces? Certainly not. This is a beginner to intermediate level eyepiece.The ones you buy before you break the bank and your wife gives you crazy looks...When you buy this eyepiece...you will still have peace in the house.So...how does it perform...very well at the price point. It's not going to compete with a good Plossl, but then we are right back to cost vs value. Want a great 7mm Prime Plossl? Youwill fork over 200 dollars for one....probably more.This is a good value eyepiece. I had pretty good contrast looking at the moon with it...it's a bit soft at 7-10mm...then cleans up nicely after that. My recommendation is to use this closer to 21mm than 7mm.It has very good eye relief, and creates a great field of view. If you really want high magnification (7mm)...you can get by with this...while you save up for a much more costly 7mm prime.You'll have more fun at 21mm than 7mm imo.This eyepiece is another winner from NEEWER...it's a good value.
Gabo Mora
Reviewed in the United States on December 31, 2024
Excelente producto
とも爺さん
Reviewed in Japan on November 23, 2024
長年、日本メーカーの8.8-22mmズームアイピース（販売終了品）を使ってきましたが汚れが目立ってきましたので、このズームアイピースを購入しました。見かけ視野は今までのものよりも少し広い感じで視野の外周部近くまでスッキリと見えます。アイリリーフが15mmの仕様ですので眼鏡をかけたままでもケラレなく見えます。ズームで倍率を変更しても焦点がほとんどズレませんので快適にズーム操作ができます。これは今までのものには無い機能ですので大変気に入っています。
Juan manuel
Reviewed in Spain on October 1, 2024
Muy buena calidad con un buen filtro de observan perfectamente las bandas de Júpiter con mi telescopio y Saturno la luna espectacular solo lo e utilizado en planetaria y se comporta muy bien mi telescopio 102/650
Peter
Reviewed in the United States on April 25, 2024
I had high hopes for this eyepiece. Construction is solid and mechanics work well. Field of view is what was expected for an eyepiece like this. Views were sharp with this eyepiece. Now my issues with this are about chromatic aberration.I used this eyepiece in an AT60 (60/360 F6) a fast scope. At 21mm the CA wasn’t really apparent but when I zoomed it all the way in the blue fringe showed at about 30% from the edge. This might not be so bad in a slower scope but in a fast scope it was pretty heavy. I have included a couple of pics taken with my phone to show what I’m talking about
David Dorrell
Reviewed in the United States on April 19, 2024
Review of NEEWER Zoom Telescope Eyepiece with 7-21mm Focal Length Range, 40°-57° Field of View, 15mm Eye Relief, 5 Elements in 3 Groups for Astronomic Telescopes with 1.25 Inch Barrel, LS-T22For those wondering if they even need a zoom type eyepiece, the answer is…no. However, a zoom eyepiece can make using a telescope more rewarding especially if they are using manual tracking. Normally, to find an object in the field of view, you line it up with the finder scope or red dot finder, then you look through the scope with a wide field type eyepiece like a 21 mm. This will allow you to find the object, such as a planet, moon, star groups like galaxies or double stars, so you can center it in the scope. At this point if the object is one you want to magnify, you switch eyepieces to a lower mm size, such as the 11 mm. Now normally while you are taking out the larger mm and replacing it with the smaller mm the earth has moved and the object may have gotten out of the center of the field of view (which will be smaller with a smaller mm eyepiece). Here is where the zoom eyepiece can help. While you are watching the object, instead of switching eyepieces, you simply hold the blue ring and turn the zoom ring changing the effective mm of the eyepiece without reducing the lens you are viewing through and without physically changing the eyepieces. This allows you to keep the object in view as you increase magnification. So, do you need a zoom eyepiece? No, but you should want one.This particular zoom eyepiece works very well. I did notice that if I did not hold the blue ring on mine the zoom ring would turn the blue ring too, which you don’t want. When I started to hold the blue ring the eyepiece shifted from low to high very smoothly. The optics are very nice, you can see the coating on the lenses. The body of the eyepiece are solid feeling (I have another zoom eyepiece and that one the body of the eyepiece rattles and does not feel solid or work well at all. This one works great).Note that individual stars can’t be magnified enough to change how they look through a land based hobby telescope, changing the eyepiece will not help magnify viewing individual stars, it won’t make them look bigger, you will actually see fewer stars through the higher magnification eyepiece. Magnifying double stars may allow you to see the space between them better.
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