| Aperture |
132mm |
| Focal Ratio |
F/7 |
| Focal Length |
925mm |
| Objective Type |
3 elements, Air-spaced, FPL-53 |
| Resolving Power |
0.86" |
| Limiting Magnitude |
14.5 |
| Lens Shade |
Retractable (O.D. 168mm) |
| Focuser |
4" NEW crayford heavy duty focuser
360° rotatable graduated camera adjuster
1.25" Adapter included
|
| 1.25" Adapter |
Brass Compression Rings |
| Tube Diameter |
141mm |
| Tube Length |
104cm (Fully Extended)
78cm (Fully Retracted) |
| Tube Weight |
9kg |
| Case |
High-quality Aluminum Case |
Case Dimensions
(WxHxD)
|
99cm x 34cm x 30cm |
| Case Weight |
13.5kg |
Dimensions of scratches and dots shall not exceed the following values:
Surface finish class Scratches Points Accumulation of defects:
Width, not more, mm
Total length, not more, mm
Diameter no more, mm
Quantity, no more
| Scratches |
Width, not more, mm |
0.025mm |
| Total length, not more |
1/4 of total lens diameter.
Quantity no more 6 |
| Dots or spot points |
No more, mm |
0.4mm |
| Quantity, no more |
4 |
| Accumulation of defects |
Limited area, mm |
0.8mm^2 |
| Total area of scratches and points, no more, square mm |
5.8mm^2 |
|
|
