SVBONY TWM1 SV171 Telescope Eyepiece, Zoom Eyepiece, 1.25 inch 8mm to 24mm Zoom FMC 7 Element 4 Group for Telescope

Don’t want to change eyepiece too often for astronomy telescope?


Tired of having too much eyepieces to meet different magnification?


Want to find zoom eyepiece?


SVBONY SV171 1.25” 8-24mm Zoom Eyepiece is the thing you are looking for.



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Wide Selection of Focal Lengths

Zoom to any focal length between 8mm and 24mm - pick the best magnification for your subject.


Fully Multi Coating

FMC film maximize the light transmission and minimizes internal reflection and maximizes contrast. 7 elements in 4 groups structure design delivers crisp and sharp images.


Blackened Lens Edge

Lens edges is blackened to reduce scattering of stray light and maximize contrast; designed to enhance the functionality and pleasure of using your telescope.


Eyeglasses Friendly

Twist up rubber eyecup and 18-19.5mm long eye relief provide comfortable long term viewing for people with or without glasses.


Specification:

Focal Length: 8-24mm
Eye Relief: 18-19.5mm
Apparent Field of View: 38°-56°
Barrel Size: 1.25inch
Lens Structure: 7-Elements/4-Groups
Filter Threads Standard: 1.25" Filter Thread (M28.5 x 0.6)
Coatings: Fully Multi-Coated
Blackened Lens Edges: Yes
Barrel Safety Recess: Yes
Eyecups: Twist-Up
Eyecups Material: Metal
Net Weight: 300g / 10.58oz / 0.66lb


Package Includes:

1 x SV171 1.25in 8-24mm zoom eyepiece
2 x Rubber Dust cover
1 x Mirror Cloth

• SV171 Super-wide Angle 1.25" 8mm-24mm zoom eyepiece;SV171 zoom eyepiece allows you to change magnification power without swapping out eyepieces
• FMC glass lens; Fully multi-coated glasses for excellent image contrast and light transmission; Sharp optimal performance with low chromatic aberration
• Comfortable long eye relief design; Exceptionally long 18mm-19.5mm eye relief range allows eyeglass wearers to enjoy the entire field of view without needing to remove their glasses
• Unique humanized design;Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal
• Standard 1.25" fitting diameter compatible with any astronomical telescope with 1.25" focuser;The bottom M28.5 x 0.6 thread can also be used with standard 1.25" Filter