William Optics Zenithstar 61 II APO Refractor
| Article number: | A-Z61IITG |
| Availability: | More on the Way to us |
| Delivery time: | More on the Way to Us |
Technical Specifications:
-
- Lens Type - Doublet Apochromatic Prime Lens
- Focal Length - 360 mm
- Diameter - 61 mm
- Focal Ratio - f/5.9
- Image circle - 45 mm
- Focuser - 2" R&P Focuser Compatible with EAF
- Focus travel - 75 mm
- Adapter Included - M54 → 2" Visual Back 2" → 1.25" Visual Back
- Optional Flattener - FLAT 61A 1.0x FLAT 61R 0.8x
- Camera Format - Full Frame APS-C M4/3
- Tube Length - 245 mm - 315 mm
- OTA Weight - 2.2 kg / 4.85 lbs
