WLLIAM OPTICS Zoom Eyepiece 22.5-7.5 mm 1.25目鏡
WLLIAM OPTICS Zoom Eyepiece 22.5-7.5 mm 1.25目鏡
A William Optics high-quality zoom eyepiece with large field of view and very good correction: no more compromises for zoom eyepieces!
Spectacular Images
• Zoom from 22.5mm to 7.5mm by simply rotating the body of the eyepiece.
• Fully Multicoated lenses for excellent transmittance
• Reduced chromatic aberration.
Great Contrast
• Internally fully blackened (lens edges and internal spacers).
• Adjustable push-up eyecup, UWAN style.
• No flaring or ghosting on high-contrast objects.
Terrific Fit and Finish
• Threaded for filters’ usage.
• Smooth design for no hook up in your focuser.
| Internally baffled, All lenses' edges and internal spacers blackened, Fully multicoated | |
| Model | Zoom Eyepiece |
| Focal Length | 7.5-22.5mm |
| Lens Structure (#Elements/#Groups) | 8/5 |
| Field of View | 42-66 deg. |
| Eye Relief | 18-20 mm |
| Barrel | 1.25" |
| Coating | FMC |
| Weight | 260g |