Feature

●Fully coated optical lens;offers bright and sharp images with excellent color correction for planetary viewing and daytime observation;Fully coating group on each lens surface maximize light transmission;contrast and gets clear images
●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 filters
●Threaded for standard 1.25- inch astronomy filters and barlow lens;Its 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 on
●4-element plossl design has a approx 48 degree AFOV; 4 element Plossl design renders clear images without introducing additional chromatic aberration

Description

This is a very nice high power eyepiece.

1.25- inch 4mm plossl eyepiece gives the wide viewing field along with extra sharpness.

4-element plossl design, has a approx 48 degree AFOV. Perfect for broad-field lunar observations, medium-sized star clusters, and a wide range of cloudy nebulas and deep-sky targets.

Comes with sturdy plastic case-proect the eyepiece from dust and moisture. Soft rubber eye guard thats custom fitted with a bayonet mount. Threaded for standard 1.25- inch astronomy filters and barlow lens

This eyepiece features fully coated optics with anti-reflection coating. This coating allows more light to pass through the eyepiece so you are rewarded with a bright, detailed view.

All lens edges are blackened

The eyepiece barrel is threaded to reduce glare. Both the full optical coating and threaded barrel work together to minimize internal reflections.

Black paint on the edge of the lens;Internal thread extinction treatment well suppresses internal stray light reflection

Adjustable Eye Cups Fit Eyeglass Wearers or Not

Soft rubber eye guard and brings convenience to glasses wearers

Rubber eyecups allows comfortable viewing and lets eyeglass wearers see the entire field of view

Easy to install and use

Just insert into 1.25in telescope at the end; It also can work with filter thread for any 1.25" filter

Package Includes:

1 x SVBONY Plossl 4mm Eyepiece

Apply: watch the scenery, bright celestial observations, nebula and so on

Specification:

Focal Length: 4mm
4-element plossl design, has a approx 48 degree AFOV.
Full metal, soft rubber eyeguard
The inside of the adapter is fully threaded to minimize reflections
Structure of the Optical System: Plossl optical design
Thread Pitch: M28.5*0.6 (for standard 1.25 inch filters)

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We are SVBONY, a young and passionate team of astronomy and sports optics products. We start from 2014, and our team are working for R&D practical optical products for people who want to get involved in nature and space exploration. Our products include Astronomy Telescope, Astronomy Camera, Astronomy Accessories, Microscope and more.

We sincerely hope that under the influence of SVBONY, more people will fall in love with exploring the starry sky
What makes our products unique?

Behind the SVBONY products, there is a team in which everyone is creative, collaborative and responsible. Weve made a niche category, the reason is that we want people to see more realistic images in the original way, instead of just upgrading the camera on the phone.

Why do we love what we do?

We do think optics products are practical and educational, which connects people to the world, not just for a small part of person, but for everyone. SVBONY leads us to a more beautiful world which we usually can’t see, and we want to bring this beauty to everyone.