Description
Astronomical Telescope focuser Accessories Double Spiral Focusing Seat Inner T-Port Connection Ring
Product Description:
This is an excellent 1.25 inch dual thread focusing seat with a 10mm tuning stroke, lightweight and compact, made of all metal, sturdy and durable. During the focusing process, the inserted CDD eyepiece or zenith mirror remains non rotating and only performs linear motion, which is beneficial for observation and astronomical photography. The exquisite production process makes its micro focusing extremely precise, even at a huge magnification, it remains stable and smooth.
Parameters:
1. New dual helix focusing device
2. High precision double helix focusing device, used for guiding mirror/viewfinder mirror interface
3. Solutions for slow focusing telescopes or telephoto lenses
4. The item is made of all metal and is sturdy and durable
5. Accuracy: 0.1mm
6. Interface: 1.25 inches, with M42 * 0.75 internal thread
7. Main image interface: M42X0.75
8. Focusing stroke: 10mm
9. Minimum length: 56mm
10. Maximum length: 66mm

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Shipping Terms

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About US

We are Skyoptikst Optical Technology CO., LTD.
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