Celestron has shipped some non-Edge HD telescopes with the Edge HD rear cell. Because this cell moves the primary mirror forward, the Edge HD version of the HyperStar lens is required. If unsure which model to order, please give us a call.
- Focal Ratio: f/1.9
- Focal Length: 684mm
- Maximum Usable Sensor Size: 27mm Diagonal (APS Format)
- DSLR Compatible
- Field of View (with 27mm sensor): 2.4 degrees
- Camera Adapter Threaded for 2" (48mm) Filters
- Backfocus (from mounting thread to focal plane): 67.4mm (2.65")
- Length (without camera adapter): 5.1"
- Diameter: 4.9"
- Weight: 3.1 lbs