Optec/DSI 3.5" to OPTEC-4300 Adapter (19831)
Category: Astrophotography Accessories
Description
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.
Specifications
| 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) |
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.
Compatibility
- Optec/DSI 3.5" Threaded Spacers.
- Gemini Focusing Rotator (typically used on telescope side).
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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