20 Best 4mm Telescope Eyepiece [2024]

Are you looking for the best 4mm telescope eyepiece? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4mm telescope eyepiece.

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# Preview Product
1 Celestron X-Cel LX Series Eyepiece - 1.25-Inch 5mm 93421 Black Celestron X-Cel LX Series Eyepiece - 1.25-Inch 5mm 93421 Black
2 SVBONY Eyepieces 4mm Telescopes Lens Wide Angle 62 Degree Aspheric Eyepiece HD Fully Coated Lens for... SVBONY Eyepieces 4mm Telescopes Lens Wide Angle 62 Degree Aspheric Eyepiece HD Fully Coated Lens...
3 Diyeeni 1.25 Lenses for Telescope, Multi Coated Telescope Eyepiece Set, with 4mm/10mm/ 25mm Plossl... Diyeeni 1.25 Lenses for Telescope, Multi Coated Telescope Eyepiece Set, with 4mm/10mm/ 25mm...
4 1.25inch Plossl Premium Telescope Eyepiece Set,4mm/10mm/ 25mm Plossl Eyepiece,2X Barlow Lens w/T... 1.25inch Plossl Premium Telescope Eyepiece Set,4mm/10mm/ 25mm Plossl Eyepiece,2X Barlow Lens w/T...
5 1.25' 4mm Plossl Eyepiece Fully Coated Metal Telescope Eyepiece for Astronomic Telescope Accessory 1.25" 4mm Plossl Eyepiece Fully Coated Metal Telescope Eyepiece for Astronomic Telescope Accessory
6 Astromania 1.25' 4mm Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard... Astromania 1.25" 4mm Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard...
7 Acouto 4mm Plossl Eyepiece 1.25 Inch 4mm Fully Coated HD Eyepiece Plossl Eyepiece Lens for... Acouto 4mm Plossl Eyepiece 1.25 Inch 4mm Fully Coated HD Eyepiece Plossl Eyepiece Lens for...
8 4mm 1.25' Planetary Eyepiece, Black 58 Degree Planetary Deep Sky Objects Eyepiece for Telescope JS 4mm 1.25" Planetary Eyepiece, Black 58 Degree Planetary Deep Sky Objects Eyepiece for Telescope JS
9 Bindpo Telescope Eyepiece, 4mm 1.25inch HD Optical Glass Plossl Eyepiece PL Lens for Astronomic... Bindpo Telescope Eyepiece, 4mm 1.25inch HD Optical Glass Plossl Eyepiece PL Lens for Astronomic...
10 Meoptex 1-1/4 Super Plossl 4MM 6MM 9MM 12MM 15MM 32MM 40MM Eyepiece Green lens (12mm) Meoptex 1-1/4 Super Plossl 4MM 6MM 9MM 12MM 15MM 32MM 40MM Eyepiece Green lens (12mm)
11 SVBONY Telescope Eyepiece Multi Coated Telescopes Lens Telescope Accessory Kit with Barlow Lens for... SVBONY Telescope Eyepiece Multi Coated Telescopes Lens Telescope Accessory Kit with Barlow Lens...
12 Celestron - Zoom Eyepiece for Telescope - Versatile 8mm-24mm Zoom for Low Power and High Power... Celestron - Zoom Eyepiece for Telescope - Versatile 8mm-24mm Zoom for Low Power and High Power...
13 SVBONY Eyepiece 1.25 inch 4mm Plossl Telescope Eyepiece Fully Coated Telescope Accessory for... SVBONY Eyepiece 1.25 inch 4mm Plossl Telescope Eyepiece Fully Coated Telescope Accessory for...
14 Bewinner 1.25 inch Astronomy Accessory Kit, 1.25' Plossl Telescope Eyepiece Set with 4mm/10mm/ 25mm... Bewinner 1.25 inch Astronomy Accessory Kit, 1.25" Plossl Telescope Eyepiece Set with 4mm/10mm/...
15 Tele Vue 25mm Plossl 1.25' Eyepiece. Tele Vue 25mm Plossl 1.25" Eyepiece.
16 SVBONY SV135 Telescope Eyepiece Zoom 7 to 21mm 1.25 Inch Zoom Eyepiece Fully Multi Coated 6 Element... SVBONY SV135 Telescope Eyepiece Zoom 7 to 21mm 1.25 Inch Zoom Eyepiece Fully Multi Coated 6...
17 Astromania 1.25' 4mm 58-Degree Planetary Eyepiece for Telescope Astromania 1.25" 4mm 58-Degree Planetary Eyepiece for Telescope
18 SVBONY Telescope Eyepiece Fully Mutil Coated 1.25 inches Telescope Accessories Set 66 Degree Ultra... SVBONY Telescope Eyepiece Fully Mutil Coated 1.25 inches Telescope Accessories Set 66 Degree...
19 SVBONY 40mm 1.25 inches Plossl Telescope Eyepiece Fully Multi Green Coated Metal 40 Degree Apparent... SVBONY 40mm 1.25 inches Plossl Telescope Eyepiece Fully Multi Green Coated Metal 40 Degree...
20 Gosky 1.25-Inch Premium Telescope Accessory Kit (Silver)- 5pcs Plossl Eyepiece Set, 7pcs Filter Set,... Gosky 1.25-Inch Premium Telescope Accessory Kit (Silver)- 5pcs Plossl Eyepiece Set, 7pcs Filter...
SaleBestseller No. 1
Celestron X-Cel LX Series Eyepiece - 1.25-Inch 5mm 93421 Black
  • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
  • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist
  • A treaded rubber grip offers a no-slip grip, even with gloves on
  • 1.25” barrels are threaded to accept filters
Bestseller No. 2
SVBONY Eyepieces 4mm Telescopes Lens Wide Angle 62 Degree Aspheric Eyepiece HD Fully Coated Lens for...
  • Focal length;0.16" 4mm;offer high magnifications;look more closely and more detailed at the moon's surface and other planet; for viewing the moon and...
  • Standard 1.25’’ 31.75mm fitting diameter;can be used in any astronomical telescope with a 1.25" focuser;for broad field lunar observations; medium...
  • Fully coated optics glass eyepieces for excellent image contrast and light transmission;give maximum detail and definition across the entire field of...
  • 4mm lens only weighs 0.09lb; For lenses with the same refractive index; the 62 degree aspheric eyepiece is thinner and lighter than the spherical...
  • Wide angle; 4mm 62 degree aspheric eyepiece can get maximum detail and definition across the entire field of view; Anti-lost design; Eyepiece...
Bestseller No. 3
Diyeeni 1.25 Lenses for Telescope, Multi Coated Telescope Eyepiece Set, with 4mm/10mm/ 25mm Plossl...
  • 【Suitable For】The telescope eyepiece set is designed to fit 1.25 inch diameter telescopes and has 3 eyepieces that provide low, medium and high...
  • 【Pack List】Get the most out of your telescope and improve its performance with this four-piece 1.25-inch astronomy accessory kit. It includes a...
  • 【High Quality Performance】The telescope eyepiece has a high quality full metal material design, soft rubber eye protection, sturdy and solid body,...
  • 【Reduce Reflection】The lens coating uses multi-layer HD broadband green film, which improves light transmission and color reproduction, provides...
  • 【Barlow Lens】It can double the magnification of any inserted 1.25 inch eyepiece of a first-class T-adapter for DSLR camera connection.
Bestseller No. 4
1.25inch Plossl Premium Telescope Eyepiece Set,4mm/10mm/ 25mm Plossl Eyepiece,2X Barlow Lens w/T...
  • 【Astronomy Eyepiece Four-piece】This four-piece 1.25 inch astronomy accessory kit let you get the most out and enhances the performance of your...
  • 【Multi-function Eyepiece Set】Comes with 3 eyepieces that provide low, medium and high powered magnification,for different power planetary and...
  • 【High-quality Materials】Full metal, soft rubber eyeguard.T2 threads M42x0.75 Pitch. The inside of the adapter is fully threaded to minimize...
  • 【High bservation Effect】Pure Optical Glass Lens,multilayer HD broadband green film,multi coated offering the best image.Doubles the magnification...
  • 【Quality Service】If this product has any quality problems or you have any questions about this product, you can contact us at any time. We have a...
Bestseller No. 5
1.25" 4mm Plossl Eyepiece Fully Coated Metal Telescope Eyepiece for Astronomic Telescope Accessory
  • The frame is made of quality metal, durable and tough.
  • Fully multilayer coated glass with excellent image contrast and light transmittance.
  • High power eyepiece, suitable for 1.25 inch /31.7mm telescope.
  • High definition eyepiece, which can increase the magnification of telescope combination.
  • Suitable for view scenery, celestial observations, nebulae, etc.
Bestseller No. 6
Astromania 1.25" 4mm Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard...
  • Threaded for standard 1.25- inch astronomy filters and barlow lens.
  • Comes with sturdy plastic dust caps-protect the eyepiece from dust and moisture.
  • 1.25- inch 4mm plossl eyepiece set , gives the widest viewing field along with extra sharpness and long eye relief.
  • 4-element plossl design, has a approx 52 degree AFOV. Perfect for broad-field lunar observations, medium-sized star clusters, and a wide range of...
  • Fold-down rubber eyeguard Threaded for standard 1.25- inch astronomy filters.
Bestseller No. 7
Acouto 4mm Plossl Eyepiece 1.25 Inch 4mm Fully Coated HD Eyepiece Plossl Eyepiece Lens for...
  • 1.25 Inch Plossl Eyepiece---- The 1.25" interface size fit for any 1.25" diameter telescope and astronomy filters. Nice accessory for astronomy lovers
  • Broad Vision---- 1.25 inch 4mm plossl eyepiece can provide you with a wide field of vision. You could use 1.25" plossl eyepiece to watch scenery,...
  • Better Image Quality---- The 4mm plossl eyepiece not only can provide you the widest viewing field, but also can allow you to optimize the image...
  • High Quality---- The frame of 4mm plossel eyepiece lens is made of high quality aluminium alloy, which is durable, not easy to break and lightweight...
  • Good Light Transmission---- Fully multi-coated glass lens has high light transmission and can offer excellent image contrast and clearity. 100% brand...
Bestseller No. 8
4mm 1.25" Planetary Eyepiece, Black 58 Degree Planetary Deep Sky Objects Eyepiece for Telescope JS
  • Designed primarily for planetary observation and deep sky objects
  • Exceptional at nearly eliminating lateral color aberration and light scatter while retaining excellent sharpness, contrast and definition
  • Fully multi-coated green lenses for excellent image contrast and light transmission
  • Wide 58 degree field of view, fold-down rubber eyecup
  • Standard 1.25" fitting diameter to the scope's eyepiece holder
Bestseller No. 9
Bindpo Telescope Eyepiece, 4mm 1.25inch HD Optical Glass Plossl Eyepiece PL Lens for Astronomic...
  • The frame is made of aluminium alloy, durable and lightweight to carry
  • 1.25 inch 4mm plossl eyepiece, provide you the widest viewing field
  • Plossl eyepiece allow you to optimize the image quality of your telescope in a quick and easy way
  • Apply to watch scenery, celestial observation, nebula and so on
  • Fit for any 1.25 inch diameter telescope and astronomy filters
Bestseller No. 11
SVBONY Telescope Eyepiece Multi Coated Telescopes Lens Telescope Accessory Kit with Barlow Lens for...
  • Fully multi coated with HD broadband green film optical glass lens;multi layer coating group on each eyepiece lens surface to maximize light...
  • M42 threaded for any standard 1.25” nebula filters;Barlow lens and other 1.25" astronomical devices;the eyepiece barrel is internally blackened to...
  • Comes with Barlow lens 2x;the Barlow lens doubles the magnification of any standard 1.25” eyepiece or double the capacity of an existing set...
  • Soft rubber eye guards fold down for eyeglass wearers;the folded eye guard custom fitted with the bayonet mount and protect eyeglasses from coming...
  • 4mm 10mm 25mm focal length Plossl eyepieces that provide low;medium and high powered magnification for viewing a wide range of objects;the...
Bestseller No. 12
Celestron - Zoom Eyepiece for Telescope - Versatile 8mm-24mm Zoom for Low Power and High Power...
  • Zoom from low to high power in an instant with this versatile eyepiece
  • Compatible with any telescope that accepts 1.25” eyepieces
  • This fully multi-coated Premium eyepiece zooms to any focal length between 8 mm and 24 mm - pick the best magnification for your subject
Bestseller No. 13
SVBONY Eyepiece 1.25 inch 4mm Plossl Telescope Eyepiece Fully Coated Telescope Accessory for...
  • Fully coated optical lens;offers bright and sharp images with excellent color correction for planetary viewing and daytime observation;Fully coating...
  • 1.25 inch 4mm plossl eyepiece gives the widest viewing field along with extra sharpness;1.25" eyepiece threaded for any standard 1.25" astronomy...
  • Threaded for standard 1.25- inch astronomy filters and barlow lens;It's a great Halloween birthday christmas gift
  • Beautiful matte aluminum barrels and blackened lens edges prevent internal reflections;apply to watch scenery; celestial observation;nebula and so...
  • 4-element plossl design has a approx 48 degree AFOV; 4 element Plossl design renders clear images without introducing additional chromatic aberration
Bestseller No. 14
Bewinner 1.25 inch Astronomy Accessory Kit, 1.25" Plossl Telescope Eyepiece Set with 4mm/10mm/ 25mm...
  • 【Astronomical Telescope Four-Piece Set】This four-piece 1.25-inch astronomical accessory kit for astronomical telescopes allows you to take full...
  • 【No Color Difference】Multi-layer coated optical lens provides high-quality observation without additional chromatic aberration, making the image...
  • 【Compatible With DSLR or SLR Camera】This telescope lens uses an M42 x 0.75mm thread as a T-type adapter, which can be connected to a DSLR or SLR...
  • 【Multiple Magnification, Clearer】It can increase the magnification of any 1.25-inch eyepiece to provide a comfortable viewing experience. It...
  • 【High Quality】The full metal soft rubber eyecup, the inside of the adapter is fully threaded to minimize reflections. Equipped with 3 eyepieces,...
Bestseller No. 15
Tele Vue 25mm Plossl 1.25" Eyepiece.
  • High-index glasses to improve the edge-field performance
  • Fully multicoated
  • Parfocal
  • Rubber Eyeguards, Grip Rings, Filter Threads,
  • Blackened Lens Edges, Saftey undercuts
Bestseller No. 16
SVBONY SV135 Telescope Eyepiece Zoom 7 to 21mm 1.25 Inch Zoom Eyepiece Fully Multi Coated 6 Element...
  • SV135 7 mm to 21mm adjustable focal length;SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces ;obtain higher magnification with short focal...
  • 18mm - 16.3mm comfortable eye relief; especially for eyeglass wearers ;designed primarily for viewing landscapes and astronomical observations of...
  • Fully multi-coated Premium eyepiece;The true fully multi-coated Premium eyepiece with superior edge and center sharpness than normal PLOSSL eyepieces;...
  • Standard 1.25" eyepiece;Equipped with a precision-made standard 1.25-inch lens barrel that is compatible with any telescope that accepts 1.25-inch...
  • A cost-effective eyepiece;Full metal body; fine appearance; 40 degree - 57 degree wide angle field of view; high brightness observation is very...
Bestseller No. 17
Astromania 1.25" 4mm 58-Degree Planetary Eyepiece for Telescope
  • Designed primarily for planetary observation (Moon, Jupiter, Mars and Saturn and more) but great for deep sky objects too. Comfortable eye relief...
  • Wide 58- degree Field of View (FOV) in 2.5mm to 25mm focal lengths. Equipped with an eyepiece barrel which could be rotated for adjustment and a...
  • 1.25" fully multicoated eyepieces give maximum detail and definition across the entire 58 degree field of view. High transmittance and contrast ratio...
  • Each eyepiece has 5 lens elements in 3 groups. Experienced observers will truly appreciate such generous eye relief at significant magnifications....
  • Obtain higher magnification with short focal length. It could bring you a better observation experience in a comfortable situation with high-contrast...
Bestseller No. 18
SVBONY Telescope Eyepiece Fully Mutil Coated 1.25 inches Telescope Accessories Set 66 Degree Ultra...
  • Fully multi coated broadband green optics with superior optical performance;clarity is great and the magnification is truly represented
  • 66 degree AFOV perfects for broad field lunar observations;medium sized star clusters;wide range of cloudy nebulas and deep sky targets with extra...
  • Multi group lens combination to improve optical performance;the eyepieces sets delivers sharp images with good color correction and contrast
  • Edge blackened optics;internally blackened to eliminate light scattering;minimize internal reflection and maximize contrast
  • Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering and is threaded to accept 1.25" filters
Bestseller No. 19
SVBONY 40mm 1.25 inches Plossl Telescope Eyepiece Fully Multi Green Coated Metal 40 Degree Apparent...
  • Engineered with high quality 4 element design and offering a generous 40° apparent field of view;perfect for broad field lunar observations;medium...
  • Soft rubber eye guard that is custom fitted with a bayonet mount and folds down for the convenience of eyeglass wearers and protects glasses from...
  • Fully coated eyepieces with all black interior design;no introduction of additional color for higher magnification;highly achromatic;enhance details...
  • Features a precision made standard 1.25" barrel for any 1.25'' diameter telescope;1.25'' astronomy filters and fold down rubber eyeguard for...
  • It's a great birthday christmas gift
Bestseller No. 20
Gosky 1.25-Inch Premium Telescope Accessory Kit (Silver)- 5pcs Plossl Eyepiece Set, 7pcs Filter Set,...
  • This fifteen-piece 1.25 inch astronomy accessory kit let you get the most out and enhances the performance of your telescope. It is a great save...
  • 6mm/8mm/12.5mm/ 20mm/40mm Multi-Coated plossl eyepiece——for different power planetary and lunar observation broad-field lunar observations, star...
  • 5 color planetary filters —— The five color filters (Red, Blue, Orange, Green&Yellow) and a polarizing filter highlight features on Mars,...
  • 2X Multi-Coated Barlow lens —— A visual Barlow, doubles the magnification of any inserted 1.25 inch eyepiece, A prime focus T-adapter for...
  • An Accessory Case (Silver)——not only does it hold up all the accessories, but also with extra space for another two eyepieces, a laser pointer, a...

Having trouble finding a great 4mm telescope eyepiece?

This problem is well understood by us because we have gone through the entire 4mm telescope eyepiece research process ourselves, which is why we have put together a comprehensive list of the best 4mm telescope eyepieces available in the market today.

After hours of searching and using all the models on the market, we have found the best 4mm telescope eyepiece for 2023. See our ranking below!

How Do You Buy The Best 4mm Telescope Eyepiece?

Do you get stressed out thinking about shopping for a great 4mm telescope eyepiece? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4mm telescope eyepiece, which is why we have assembled a comprehensive list of the greatest 4mm telescope eyepiece available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4mm telescope eyepiece that you consider buying. Your questions might include the following:

  • Is it worth buying an 4mm telescope eyepiece?
  • What benefits are there with buying an 4mm telescope eyepiece?
  • What factors deserve consideration when shopping for an effective 4mm telescope eyepiece?
  • Why is it crucial to invest in any 4mm telescope eyepiece, much less the best one?
  • Which 4mm telescope eyepiece are good in the current market?
  • Where can you find information like this about 4mm telescope eyepiece?

We’re convinced that you likely have far more questions than just these regarding 4mm telescope eyepiece, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4mm telescope eyepiece, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4mm telescope eyepiece. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4mm telescope eyepiece buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4mm telescope eyepiece currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4mm telescope eyepiece has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4mm telescope eyepiece?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4mm telescope eyepiece.
  5. Customer Ratings: Number ratings grade 4mm telescope eyepiece objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4mm telescope eyepiece.
  7. Product Quality: You don’t always get what you pay for with an 4mm telescope eyepiece, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4mm telescope eyepiece is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4mm telescope eyepiece information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4mm telescope eyepiece is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Which telescope eyepiece is right for You?

A: Right eyepieces will let you enjoy the night sky in all its glory. We Recommend Best for the money Tele Vue 100° 13mm Ethos Eyepiece Check Price Has the ‘wow’ effect Explore Scientific 68° 40mm Eyepiece Check Price Best budget option Meade Instruments 100° 10mm Eyepiece Check Price Types of telescope eyepieces

Q: How to choose eyepiece for telescope?

A: A longer focal length eyepiece that gives low magnification,and which has an exit pupil of about 3-5mm A medium focal length eyepiece that gives an exit pupil of about 1.7mm to 1.8mm A short focal length eyepiece that gives a high magnification (about 30x to 40x per inch of aperture for each telescope) and an exit pupil of about 0.7mm

Q: What is the purpose of a telescope eyepiece?

A: What is the purpose of an eyepiece? All telescopes use either a lens or a mirror (some use both) to gather incoming light and to form an image from that light. The telescope’s eyepiece takes the image formed by the lens (or mirror) and magnifies it to a larger size so that the human eye can see more details in the image. …

Q: What telescope has an eyepiece lens and a mirror?

A: When mirrors and lenses are combined, you get optical systems that are known as catadioptric. The Galiean telescope is made of two lenses, a plano-convex objective and a plano- or bi-concave eyepiece.