#19831 - Optec/DSI 3.5" to OPTEC-4300 Adapter.
#19831 - Optec/DSI 3.5" Male Thread to Male OPTEC-4300 dovetail Adapter
The #19831 Male Optec/DSI 3.5" to OPTEC-4300 male dovetail fits the telescope side receiver of the Gemini and allows any combination of our DSI 3.5-inch spacers to be easily installed on the telescope side of the Focusing Rotator.
Inside Diameter: | 3.165" (80.4mm) |
Outside Diameter: | 4.95" (125.7mm) |
Overall Height: |
0.83" (21.0mm) |
Clear Aperture: | 3.165" (80.4mm) |
Weight: | 4.8 oz (135 g) |
Back-Focus Usage: | 0.1" (2.5mm) |
- Optec/DSI 3.5" Threaded Spacers.
- Gemini Focusing Rotator (typically used on telescope side).
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Shipping Details
- Variant: Default Title
- SKU: 19831
- Weight: 1.0 lb
- Package Dimensions : 6 X 6 X 1
- Product Type: Adapter
- Brand: Optec, Inc.
The #19831 Optec/DSI 3.5" to OPTEC-4300 adapter converts the telescope side receiver of the Gemini Focusing Rotator to a 3.5" x 24tpi male Optec/DSI 3.5" thread.