SVBONY SV191 1.25Inch 9-27mm Zoom Telescope Eyepiece 7-Elements/4-groups FMC For Sale
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SVBONY SV191 1.25Inch 9-27mm Zoom Telescope Eyepiece 7-Elements/4-groups FMC:
- SV191 zoom eyepiece can get a very wide view; super wide angle eyepiece; improve the observation experience
- No need to change the eyepiece frequently; zoom eyepiece; 9mm-27mm focal length; a variety of viewing magnification powers; easy to adjust and focus; handy for you to use; save your time to have a better observation experience
- Use it for a very long time; well made eyepiece; 7-Elements / 4-groups; fully multi-coated coatings; made of high index glass; black eyepiece tube; well machined
- Stable eyepiece; sleek black barrel with safety undercut; to prevent the eyepiece from slipping out of the focuser or diagonal; no need to worry about the slip off of the eyepiece
- Have a very clear image; blackened lens edges; anti-reflection threads; for maximum contrast; the image you get will be bright and sharp
Apparent Field of View
A simple twist of the zoom eyepiece housing changes the focal length and provides a variety of viewing magnification powers
Blackened lens edges, anti-reflection threads are made for maximum contrast. Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal.
The Super-wide Angle 1.25" zoom eyepiece allows you to change magnification power without swapping out eyepieces.
Lens Structure: 7-Elements/4-Groups
7-Elements / 4-groups are made of high index glass, delivering sharps and high contrast vistas. Exceptionally the long eye relief range allows for the use of eyeglasses without reducing the visible field of view through the eyepiece.
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