The 5 Best 40 mm Telescope Lens (2023 reviews)

Celestron makes beautiful and outstanding len with classic and higher-grade materials. The Celestron 93325 40 mm omni eyepiece ought to fit a starsense 8 " dobsonian without any difficulty, provided you use a 1.25 " eyepiece adapter ring. It provides 80x magnification and works well on lunar and planetary observation sessions. It is a nice step up from the original equipment eyepiece.

The Celestron makes a zoom eyepiece which is handy for finding what you're looking for and then zooming in. It makes a great jump from finder scope to observation, and then you can start narrowing the field with shorter eyepieces. The adjustable eye relief is a big help for those wearing glasses and to get your eyes right up to them without fear of touching the lenses. The clarity and color rendered through the eyepiece is top notch. It comes in its own sturdy container for storage.

Customers say that getting a barlow lens for reflector telescope, along with len is useful.

Why We Like This:

Great choice for planetary viewing on a night with steady seeing
Good brand reputation

Best For broad Field lunar observations: Svbony 40 mm Telescope len

Buy on Amazon

The svbony 40 mm telescope len is capable of outshining several other len featured in this list in overall features in its price range. The SVBONY set of eyepieces offers a nice range of magnifications. It comes with a foldable soft silicone rubber eye cup for the comfort of the observer. The rubber shield on the eyepieces fold up or down out of the way if you like. The eyepieces do have internal threads while the Barlow Lense does not. The lenses offer high quality optics at a very reasonable cost.

The diameter of the eyepiece is 1.25 ", and it will fit any 1.25 " telescope and other optics devices. If one isn't worried about the limited field of view then this kit offers a great combination of magnification when using the barlow.

Customers discovered that getting a barlow lens for reflector telescope, along with len is useful.

Why We Like This:

Prices very reasonably and gives a lot of flexibility
Nice set with great sizes and glass
Build quality is much sturdier as well

RELATED: Best Telescope len Warmers

Best For anyone: Svbony Degree Apparent Field

Buy on Amazon

If you are currently in the market looking for a reliable len for your daily usage, you cannot go wrong with the svbony degree apparent field. The V 154 eyepiece has a large field of view and the field of view is as high as 70 degrees which will give you that unforgettable lost in space feeling. It uses premium optics that are fully multi. It is a 5-elements / 3groups structure and made of high index glass. It includes a rubber eye cup for comfortable viewing and is fully multi-coated. It can be used on any scope with 1.25 inch fitting.

The eyepiece housing is designed with a non-slip rubber grip ring, so that it will not fall easily when you hold it in your hand. It is threaded to accept standard 2" filters. It is suitable for anyone wearing glasses and not wearing glasses.

Customers discovered that getting a 40 mm eyepieces for telescope, with this len made their life much easier.

Why We Like This:

Fully multi-coated glasses for excellent image contrast and light transmission
Use for viewing especially for large-area deep-sky objects will provide high light transmission
Sharp optimal performance with low chromatic aberration
Super wide angle 68 degree, 4-elements 3-groups lens structure, 17mm eye relief

RELATED: Best Telescope diagonals

Best For planet: Meoptex 40 mm Telescope len

Buy on Amazon

Compared with other len in this category, the meoptex 40 mm telescope len has a convenient design. This eyepiece is definitely the way to go if you don't want to spend more than the cost of your scope on a single eyepiece. It features an optical advancement over the traditional kellner and gives sharp, faithful lunar, planetary, and deep-space images. The Optical elements are very clean and clearly made in an optical factory as overall quality is good.

The kellner eyepiece design uses a minimum of glass. It is threaded to accept standard 2"" filters, includes a rubber eyecup for comfortable viewing and is fully multicoated. These have a more comfortable viewing position and better off-axis definition. The 40mm here is a little sharper with less coma out near the edge, with considerably more useful image in the eyepiece. These are not as immersive with a field of perhaps 70 degrees but look just as good because the long eyecup keeps your eye at the perfect distance for full picture.

Why We Like This:

Kellner wide field eyepices with comfortable viewing position
Reall crisp and saturated and no kidney beaning
Nice 2" eyepiece for the telescope
Much easier on your eye during extended use

Best For deep sky object: Orion 40 mm Telescope len

Buy on Amazon

Orion is known for creating pragmatic and minimalist len for people on the go, and its line of orion 40 mm telescope len definitely falls in line with that reputation. The 40mm Sirius plossl 125" eyepiece is ideal for all types of telescopes. It provides clear, sharp images of impressively high contrast. It is threaded for use with all orion 1.25" eyepiece filters. The Lenses are mounted in Black anodized aluminum housings with 1.25" chrome-plated brass barrels. It is fitted with rubber eye guards and internally threaded to accept standard filters.

Few customers bought orion telescope barlow len, along with the len.

Why We Like This: