![Warehouse Clearance Optec Inc. Optec-4300 Extension Adapter, 25mm Length Fast Dispatch [1GfR9kmB]](https://cdn.shopify.com/s/files/1/0717/9904/6464/products/19839_3d_800x800_2000x_970b150e-7a7d-4c12-a202-82fcdcd56e2b.png?v=1687194190)
Warehouse Clearance Optec Inc. Optec-4300 Extension Adapter, 25mm Length Fast Dispatch [1GfR9kmB]
The OPTEC-4300 25mm Extension Ring provides approximately 1-inch of extension for any OPTEC-4300 telescope adapter. Ideal for telescopes where the Gemini Focusing Rotator may need to pushed out and away from the OTA to provide clearance for cooling f
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Warehouse Clearance Optec Inc. Optec-4300 Extension Adapter, 25mm Length Fast Dispatch [1GfR9kmB]
The OPTEC-4300 25mm Extension Ring provides approximately 1-inch of extension for any OPTEC-4300 telescope adapter. Ideal for telescopes where the Gemini Focusing Rotator may need to pushed out and away from the OTA to provide clearance for cooling fans or when a little extension is required to reach optimal focus.
Specifications
- Any OPTEC-4300 telescope adapter.
- Gemini Focusing Rotator.
- TCF-Lynx3 3-inch Focuser.
- Inside Diameter: 3.9" (99mm)
- Outside Diameter: 4.95" (126mm)
- Overall Height: 1.30" (33.2mm)
- Clear Aperture: 3.9" (99mm)
- Weight: 8.8 oz (250 g)
- Back-Focus Usage: 0.984" (25mm)
- Drawing
What Our Customers Say
Absolutely no complaints!
So well made. I am exceptionally so very happy.
- Ysbaddaden R..
Absolutely no complaints!
This is a fine tool that works perfectly so very well.
- Teleri U..
Absolutely no complaints!
I'm very satisfied with my final choice and my decision for it.
- Lludd N..
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