The 6 Best 40 mm Eyepieces For Telescope (2023 reviews)

The svbony apparent field is the best feature-rich eyepiece on the market today. This 40mm one is awesome for perusing the sky and finding things as well as getting constellations, clusters, and galaxies in your field of view. It gives you a very bright and clear focus for the objects you want to see. The rubber cover can greatly eliminate the effects of stray light.

This eyepiece would give 15x magnification which is good for low power viewing of deep space or terrestrial viewing. The 40mm eyepiece is more comfortable to watch and can effectively relieve eye fatigue under long-term viewing. There are two other standard eyepiece sizes 0.9" and. This is a low magnification eyepiece with a wider field of view. The lens is heavy and nicely constructed with some pretty decent optics.

Customers say that getting a sun lens for telescope, along with eyepiece is useful.

Why We Like This:

Great for observing star fields and finding objects with setting circles
Really useful for a wider view when finding objects
Paired with a small refractor telescope and quality of viewing is great

Best For Planetary Image: Celestron 40 mm Eyepiece For Telescope

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Best part: celestron 40 mm eyepiece for telescope costs comparatively low and it is available to ship in 24 hours. This 12 mm eye piece will give you above 100X magnification on your 4SE. It makes a great jump from finder scope to observation, and then you can start narrowing the field with shorter eyepieces. It's definitely beginner friendly and the 40mm size makes for wonderfully bright images.

This eyepiece will give you above 100X magnification on your 4SE. It comes in its own sturdy container for storage. The eyepiece is well made, comes with a short rubber eye cup to keep out stray light and a nice knurled rubber grip. These are well constucted, solid feeling eps that are easily handled with gloved or cold hands. It's a nice step up from the original equipment eyepiece.

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

Why We Like This:

More then enough to enjoy astronomy, great eyepiece, inexpensive
Low power for finding and observing deep sky objects
Crisp image across the entire fov

Best For deep sky object: Orion 40 mm Eyepiece For Telescope

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Next on the list, we've got yet another eyepiece that manages to win our hearts. It's the orion 40 mm eyepiece for telescope and it's widely considered as one of the best convenient eyepiece you can buy. 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. It's suitable for all telescope types.

Customers discovered that getting a barlow lens for reflector telescope, with this eyepiece made their life much easier.

Why We Like This:

Multi-coated optics for excellent light transmission
Solidly constructed (heavy) versatile eyepiece for general viewing
Images are very crisp, bright and pleasing to the eye

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Best For refractor: Celticbird 40 mm Eyepiece For Telescope

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This Celticbird eyepiece blows all of them out of the water. It comes with beautiful matte aluminum barrels and blackened lens edges to prevent internal reflections and increase contrast. It is threaded for use with 1.25" standard telescope eyepiece filters for deep-sky objects such as nebulas and star clusters. The sturdy rubber cap can also proect the eyepiece from dust and moisture.

The eyepiece is fully threaded to minimize reflections. The high quality optical lens minimizes internal reflection and maximizes contrast. The blackened eyepiece barrel also prevents reflection. The soft rubber eye guard that's custom fitted with a bayonet mount and brings convenience to glasses wearers.

Few customers bought barlow lens for reflector telescope, along with the eyepiece.

Why We Like This:

Delivers what they promise
Good brand reputation

Best For observation Of detailed lunar pits: Svbony 40 mm Eyepiece For Telescope

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The Plossl eyepiece set gives you a good variation in magnification for a wide range of targets with extra sharpness and long eye relief. It features t threads to attach a camera to your telescope with an optional t ring. It comes with a foldable soft silicone rubber eye cup. It has a soft rubber eye guard that's custom fitted with a bayonet mount and brings convenience to glasses wearers. It can double the capacity of an existing set of eyepieces at the cost of a single eyepiece.

Customers found that buying a telescope eyepiece cap, along with eyepiece is useful.

Why We Like This:

Sturdy for a long term use
Lot of satisfied buyers

Best For Astronomy professionals: Starboosa 40 mm Eyepiece For Telescope

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The starboosa 40 mm eyepiece for telescope is satisfactory and appropriate and fits well with your regular usage. Eyepieces with a wider field of view will give you a better "spacewalk" experience. It is suitable for astronomy professionals and beginners. It includes a dust cover and comes with soft eyecups. As for the construction, the eyepiece barrel is substantial and made of metal with a rubbery grip area, the optical properties are quite good, the image is sharp and clear to the edges, all coated optics.

The image plane is flat and chromatic aberration is corrected in a well-balanced manner, resulting in a clear image. It is made of high-grade optical glass. The same focal length, the 40 mm eyepiece has a wider field of view.

Customers say that buying a barlow lens for reflector telescope, along with eyepiece is useful.

Why We Like This: