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Askar SQA55 - 55mm F4.8 264mm Quintuplet Petzval Astrophotography APO
ASK_SQA55
945,00 €
TTC
Quintuplet air-spaced SD glass Petzval astrograph, which can be used for astrophotography and daily photography.
- Aperture: 55mm
- Focal Length: 264mm
- Focal Ratio: F4.8 - F22
- Illuminated and corrected field: 44mm
- Optical Design: Quintuplet Petzval (One piece of SD glass and one piece of ED glass)
- Dual speed focusing mechanism
- Dual rotating mechanism
- Internal 2" filter thread
- Top handle with quick release
- Bottom Vixen dovetail plate with quick release
- Removable dew-shield
- Weight: 1.84 kg
- Water-proof carrying case
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Quintuplet air-spaced SD glass Petzval astrograph, which can be used for astrophotography and daily photography.
Quintuplet Petzval astrograph with SD and ED glass for excellent optical performance. Can be used for astronomy and daylight photography using DSLR, mirrorless and dedicated astronomy camera's. OTA has a dual speed focusing mechanism, dual rotating mechanism, internal 2" filter threads, M48 connection with 55mm of backfocus, variable aperture raging from F4.8 to F22, quick release mechanisms on the top handle and bottom dovetail plate and comes with a removable dew shield and a very sturdy carry case.
Specifications
| SQA55 Parameters | ||
| 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 M48×0.75 filter thread) | |
| Rear-end connection distance | Support 50-60mm range (Recommended connection length is 55mm) | |
| Standard package items | a SQA55 OTA, a military-grade waterproof hand-carrying case | |
- Système de télescope
- Tubes optiques de télescope (OTA)
- Type de télescope
- Réfracteur apochromatique*~Astrograph
- Série de télescopes
- SQA
- Type de lentille de télescope
- Quintuplet (5 lentilles)
- Ouverture du télescope (mm)
- 55mm
- Focale (mm)
- 264mm
- Rapport focal du télescope (F)
- F4.8
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Askar, based in China, specializes in producing innovative telescopes and astrophotography equipment, appealing to a wide range of astronomers. Their focus on compact and portable designs increases accessibility for users aiming to explore astronomy more comfortably.
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