Set Includes:
- SV215 Clickstop Zoom Eyepiece 1.25 inch 3-8mm, SKU: W9166A
- SV182 6x30 Right-Angle Finder Scope, SKU: W9141B
- SV188P 90 Degree Dielectric Mirror Diagonal, SKU: F9171B
In Stock
Special offers and product promotions
SVBONY SV215 Zoom Eyepiece1.25" 3mm-8mm for Planetary Observation
The SV215 zoom eyepiece is designed to provide the good balance of contrast, comfortable eye relief, and resolution for the critical planetary observer, particularly those with ultra-premium short focal length refractors.
Fold-down Rubber Eye Cup
Click/Stops mechanism
Apparent Field of View: 56°
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.
Eye Relief: 10mm
The transformation ratio customers do not need to adjust the distance of exit pupil, so as to adapt to the observation environment again and improve the observation comfort.
Best For Planetary Observation
Specifications:
| Medel | SV215 |
| 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 |
| Model | SV182 |
| Lens Diameter | 30mm |
| Focal Length | 120mm |
| Magnification | 6x |
| Eye Relief | 15mm |
| Exit Pupil | 5mm |
| Field of View | 7.5° |
| Lens coating | FMC |
| Image Orientation | Correct-image |
| Reticle | Single crosshair |
| Adjustment System | Spring-loaded X-Y |
| Objective | Achromatic 2-Element |
| IIIuminated | No |
| Adjustable focus | Yes |
| Viewing angle | 90 Degree |
| Net Weight | 295g / 0.651b / 10.41oz |
| Model Number | SV188P |
| SKU | F9171B |
| Size | 1.25inch |
| Optical Design | Mirror Diagonal |
| Coatings | Dielectric |
| Reflectivity | dielectric 99% coating for bright images |
| Material | Aluminum Alloy |
| Filter Threads | M28.5*0.6 |
| M4 Set Screws | Yes |
| Outer Connection(Lens Sided) | Barrel 1.25inch |
| Inner Connection(Lens Sided) | Thread M28.5x0.6 |
| Inner Connection(Eyepiece Sided) | Clamp 1.25inch |
| Reflection Surface | Dielectrically Coated |
| Image Orientation | Erect Image, Mirror Inverted |
| Thickness of Mirror | 11mm |
| Net Weight | 125g / 4.41oz |
Features
- 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).