APM Eyepiece XWA HDC 9mm 100° 2″/1.25″
Original price was: $300.00.$96.99Current price is: $96.99.
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Product description
Extreme wide-angle eyepiece with best possible correction field geometry and colour errors.
The massive eyepiece body has a high-quality anodised finish, the lens system is fully multi-coated for high light transmission and the lens edges are effectively blackened.
Other special features:
- Simple conversion from 2” to 1.25” by removing the threaded sleeve (excluding the 20mm eyepiece)
- Waterproof version
- Filter thread for 1.25” and 2” (excluding the 20mm eyepiece)
- Conical upper eyepiece end for use on binocular attachments
- Removable eye cups with M44.5 x 0.75 external thread for cameras underneath
The eyepiece is a perfect companion for Deep Sky observations even at high magnifications: the object remains fully visible, even if you want to observe a larger nebula or star cluster.
| Focal length(mm) | 9 |
|---|---|
| inert gas charge | no |
| Weight(g) | 414 |
| Diameter(mm) | 58 |
| Length(mm) | 157 |
| Type of build | XWA |
| Type | Eyepiece Eyepiece Eyepieces are important accessories for every telescope.Click to read more… |
| Thread for camerarecording | yes |
| Filter thread | yes |
| Connection (to the telescope) | 2"2" A standard measurement for accessories, expressed as 2 inches. 2" is equal to 50.8 millimetres.Click to read more… |
| Adjustable eyepiece cup | yes (folding) |
| Field stop(mm) | 15,7 |
| Number of groups | 6 |
| Number of lenses | 9 |
| Coating of optical system | FMC |
| Eye relief(mm) | 13 |
| Apparent field of view(°) | 100 |
| Series | HDC HDC Wide angle eyepieces with the best possible image geometry and colour defect correction!Click to read more… |
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