Description
The 3600 to 4300 Expansion Ring allows owners of any OPTEC-3600 telescope adapter to easily expand the male dovetail out to 4.3-inches matching the OPTEC-4300 spec.
Specifications
Inside Diameter: | 3.6" (91mm) |
Outside Diameter: | 4.95" (126mm) |
Overall Height: |
0.42" (10.7mm) |
Clear Aperture: | 3.6" (91mm) |
Weight: | 3.4 oz (100 g) |
Back-Focus Usage: | 0.1" (2.5mm) |
Compatibility:
- Any OPTEC-3600 telescope adapter.
- Gemini Focusing Rotator.
- TCF-Lynx 3 3-inch Focuser.
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.