Optec-3600 to Optec-4300 Expansion Ring
Starting Price: $65.00
Price as Configured: $65.00
Price as Configured: $65.00
Brand: Optec / SKU: OP-17870
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.
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)
Camera-Side:
- Any OPTEC-3600 telescope adapter.
- Gemini Focusing Rotator.
- TCF-Lynx 3 3-inch Focuser.
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