| Aperture |
90mm |
| Focal Ratio |
F/6.2 |
| Focal Length |
558mm |
| Objective Type |
Doublet FPL-53 Air Spaced
Fully Multi-Coated, STM coatings |
| Resolving Power |
1.35" |
| Limiting Magnitude |
11.5 |
| Lens Shade |
Retractable |
| Linear Focuser |
360° Rotating Camera-angle Adjuster
1:10 Dual Speed Fine Focus
1.25" Adapter Included |
| 1.25" Adapter |
Brass Compression Rings |
| Tube Diameter |
90mm |
| Total Length |
435 mm Fully Retracted, 520 mm Fully Extended. |
| Total Weight |
7.3 lbs. (3.35kg) |
| Case |
High Quality Aluminum Case |
Case Dimensions
(WxHxD) |
21"(W) x 8 "(H) x 6 "(D) |
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