75867 AX103S
The AX103S is the latest in the Vixen refractor line and features a triplet objective lens and a rear field flattener lens.
This f8.0 APO refractor benefits from a central ED lens in the objective lens array to reduce chromatic aberration and improve contrast.
The rear field flattener helps to deliver sharp images to the edges of the field of view.
Light gathering power is 217x and the tube is supplied with dual speed focuser, dovetail mounting plate and tubes rings.
Includes dovetail plate (not shown)
2011 models are supplied with 75971 50.8mm
Compression Ring Eyepiece Adapter
| Objective lens | 103mm Triplet ED Apochromatic, multi-coated |
| Focal length (Focal ratio) | 825mm (F8) |
| Resolving power, limiting magnitude | 1.13 arc sec., 11.8 |
| Light gathering power | 217x |
| Tube size & weight | (OD) 115mm x (L) 687mm, 4.6kg (10.1lb) |
| Finderscope | Optional |
| Adapter thread / visual back | 60mm on scope body. 42mm for T-mount, 31.7mm push-fit, 50.8mm* push fit on optional flip mirror |
| Accessories included | Dovetail adapter, tube rings & dual speed focuser |
| Photography** | Prime focus, Eyepiece projection and afocal imaging |
*A 50.8mm mirror diagonal or a 50.8mm extension tube is needed to use a 50.8mm eyepiece. **Optional photographic accessories are needed.
