Askar SQA55 55mm f/4.8 Quintuplet Astrograph Telescope and Camera Lens for Daily Photography
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Askar SQA55 55mm f/4.8 Quintuplet Astrograph Telescope and Camera Lens for Daily Photography
Description:
Quintuplet air-spaced SD glass Petzval astrograph can be used for astrophotography and daily photography.
Specifications:
- Aperture size: 55mm
- Focal length: 264mm
- Focal ratio: f/4.8
- Objective lens: Quintuplet Petzval APO (One piece of SD glass, one piece of ED glass)
- Format specifications: 44mm
- Aperture blades: 14 pieces
- Graded aperture: f/4.8-f/22
- Closest focus distance: 5m
- Focusing mode: Manual focus
- Filter diameter: M67
- Total length: 316mm (including dew shield); 244mm (without dew shield)
- OTA weight: 1.84kg
- Total weight (including handle & dovetail plate): 2.18kg
- Rear-end adapter: M48*0.75 (with M48x0.75 filter thread)
- Rear-end connection distance: Support 50-60mm range (Recommended connection length is 55mm)
Package Included:
- 1 x SQA55 OTA
- 1 x Waterproof Carrying Case
Packaging Details:
- Weight: 5kg
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