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- SVBONY SV215 Zoom Eyepiece 1.25 Inch Zoom Lens 3mm to ...
SVBONY SV215 Zoom Eyepiece 1.25 Inch Zoom Lens 3mm to 8mm Eyepiece with Parfocal Design Telescope Accessory for High Power Lunar and Planetary Observing - ارسال 10 الی 15 روز کاری
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SVBONY SV215 Zoom Eyepiece 1.25 Inch Zoom Lens 3mm to 8mm Eyepiece with Parfocal Design Telescope Accessory for High Power Lunar and Planetary Observing - ارسال 10 الی 15 روز کاری
- SV215 zoom eyepiece is a good assistant for you to observe and take pictures of the planets; it is a good helper for the amateur astronomers to observe Venus; Mars; Jupiter; Saturn and so on
- Adjustable focal length; SV215 3 mm to 8mm zoom eyepiece equivalent to multiple eyepieces; SV215 eyepiece is much better than the kit eyepieces; this helps you to zoom in and out rather than changing lens
- Parfocal across the entire zoom range; minor tweaking may be necessary; you do not need to refocus every time you change the focal length
- Constant field of view and eye relief; the apparent field of view and the usable eye relief to stay the same as the focal length changes
- Click and stops design; there are clicks and stops as you pass through the marked zoom levels; easy to use even in the dark.Zoom ring moves smoothly; the zoom is smooth and gradual as you twist the eyepiece; it is very hand-friendly.6-element of 4-group lens structure; fully multi-coated optics for remarkable sharpness; contrast and color correction
