SVBONY SV135 1.25-inch Zoom Eyepiece 7-21mm for Astronomical Observation
The SVBONY SV135 zoom eyepiece is a 1.25-inch accessory with a 7–21mm focal length range for astronomical observation. This item is listed as New and ships with Free Shipping. It can be a practical option for users who want a single zoom eyepiece instead of swapping multiple fixed focal lengths during a viewing session. Check the listing for details on included items, compatibility, and any additional information provided by the seller.
| Location | ShenZhen CN |
| Shipping | Free shipping (check listing for details) |
| Seller |
svbony
99.9% positive · 53740 feedback
|
| Listing | FixedPrice · Active |
| Restocking Fee | No |
| Return shipping will be paid by | Seller |
| All returns accepted | Returns Accepted |
| Item must be returned within | 30 Days |
| Refund will be given as | Money back or replacement (buyer's choice) |
| Brand | SVBONY |
| Compatible Model | SVBONY SV135 |
| Type | Eyepiece |
| Item Diameter | 1.25 in |
| Focal Length | 7-21 mm |
| Zoon Type | Linear |
| MPN | Does Not Apply |
| Material | Metal |
| Thread Size | M28.5*0.6 |
| Coatings | Fully Multi-Coated-Green |
| Barrel Size | 1.25" |
| Model | SV135 |
| Rubber Eye Guard | Yes |
| Country/Region of Manufacture | China |
The zoom eyepiece allows you to change magnification power without swapping out eyepieces; 7-Elements/4-groups made of high index glass deliver sharp, high contrast vistas; A simple twist of the zoom eyepiece housing changes the focal length from 7mm to 21mm, providing a variety of viewing magnification powers; 15mm eye relief range; Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal; Blackened lens edges, anti-reflection threads for maximum contrast. . Features: Fully multi-coated Premium eyepiece zooms to any focal length between 7 mm and 21mm Zoom from low to high power in an instant with this versatile eyepiece Compatible with any telescope that accepts 1.25î eyepieces 6 -Element 4-Group premium optical design Comfortable 18mm - 16.3mm eye relief more comfortable, especially for eyeglass wearers Package 1 Package 2 Package 3 Model SV135 SV135 SV135 Focal length 7-21mm 7-21mm 7-21mm Field of view 57~40° 52~36° 60~40° Eye Relief 18mm - 16.3mm 13mm - 14mm 13mm - 15mm Lens structure 4 groups/ 6 pcs 3 groups/ 5 pcs 4 groups/ 7 pcs Barrel Size 1.25" 1.25" 1.25" Coatings Fully Multi-Coated Fully Multi-Coated Fully Multi-Coated Rubber Eye Guard Yes Yes Yes Meterial Metal +Optic Glass Metal +Optic Glass Metal +Optic Glass Color Black Black Black Thread Size M28.5*0.6 M28.5*0.6 M28.5*0.6 about svbony
