Description
The #19830 OPTEC-4300 to female Optec/DSI 3.5″ threaded receiver allows any combination of our DSI 3.5-inch spacers to be easily installed on the camera side of the Gemini Focusing Rotator.
Specifications
Inside Diameter: | 3.5″ DSI Thread |
Outside Diameter: | 4.95″ (125.7mm) |
Overall Height: |
0.42″ (10.7mm) |
Clear Aperture: | 3.46″ (88mm) |
Weight: | 3.8 oz (110 g) |
Back-Focus Usage: | 0.1″ (2.5mm) |
The #19830 OPTEC-4300 to Optec/DSI 3.5″ adapter converts the camera side receiver of the Gemini Focusing Rotator to a 3.5″ x 24tpi receiver for the Optec/DSI 3.5″ spacers.
Compatibility
- Optec/DSI 3.5″ Threaded Spacers.
- Gemini Focusing Rotator (included with standard package).
The #19830 OPTEC-4300 to Optec/DSI 3.5″ adapter converts the camera side receiver of the Gemini Focusing Rotator to a 3.5″ x 24tpi receiver for the Optec/DSI 3.5″ spacers.