- 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 etc;
- Adjustable focal length; SV215 3 mm to 8mm zoom eyepiece equivalent to multiple 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;
- 6-element of 4-group lens structure; fully multi-coated optics for remarkable sharpness; contrast and color correction.
Note: It's not suitable for spotting scopes. The front focal point of the SV215 is located inside the eyepiece body. It requires a main mirror with sufficient focusing range to ensure smooth and focused imaging.
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Clickstop Mechanism
The SV215 eyepiece brings a whole range with focal lengths from 3mm to 8mm in a single high-quality eyepiece! It lets you continuously zoom with Click-stops at 8, 7, 6, 5, 4 and 3 mm.
The field of view will not change with the change of focal length, the process of doubling to give customers a fixed point to pull into the visual enjoyment.
Fantastic Eyepiece
Purchased this eyepiece splendid with my 10inch skywatcher a little bit powerful at 3mm I'm sure would be good if weather was clearer as I tested while there was a bit of haze but first night seeing Jupiter with its Ganyemed moon and red spot crystal clear also tested it on my Gso c6 f/12 also fantastic as for postage ultra fast just 10 days on standard shipping to Aus Svbony is a pleasure to do business with can count on there affordable and quality products keep them coming!!!!
| Scenes | observe Venus: Mars; Jupiter; Saturn and so on |
| Target | amateur astronomers |
| Apparent Field of View | 56° |
| Coatings | Fully Multi-Coated |
| Blackened Lens Edges | Yes |
| Eye Relief | 10mm |
| Focal Length | 3-8mm |
| Filter Threads | M28.5x0.6 |
| Barrel Size | 1.25" |
| Lens Elements | 6 |
| Lens Groups | 4 |
| Barrel Type | With safety undercut |
| Rubber Eye Guard | Yes |
Features
- 1. 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
2. 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
3. Parfocal across the entire zoom range; minor tweaking may be necessary; you do not need to refocus every time you change the focal length
4. 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
5. Click and stops design; there are clicks and stops as you pass through the marked zoom levels; easy to use even in the dark
6. Zoom ring moves smoothly; the zoom is smooth and gradual as you twist the eyepiece; it is very hand-friendly
7. 6-element of 4-group lens structure; fully multi-coated optics for remarkable sharpness; contrast and color correction - 8. Smooth zoom action with click-stops at 3, 4, 5, 6,7 and 8mm for quick changes to precise preset magnifications
9. Parfocal across the entire zoom range (minor tweaking may be necessary, however).
Applicable Accessories
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