#19831 - Optec/DSI 3.5" to OPTEC-4300 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.
- Optec/DSI 3.5" Threaded Spacers.
- Gemini Focusing Rotator (typically used on telescope side).
- 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)
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Shipping Details
- Variant: Default Title
- SKU: 19831
- Weight: 1.0 lb
- Package Dimensions : 6 X 6 X 1
- Harmonized Code: 9005.80
- Product Type: Adapter
- Brand: Optec, Inc.
- Collection: Optec/DSI 3.5" Adapters