[1.25 - Fixed Orientation]
[2 - M48-Thread and 0.1mm Scale]
Many telescopes have a focuser which does not allow very precise focusing. Especially difficult jobs such as focusing on a planet can be a real challenge. This helical focuser elegantly overcomes the problem. It is suitable for both refractors and Newtonian telescopes, but is also particularly useful with Schmidt-Cassegrain telescopes. You need to do nothing more than to connect it to your existing focuser.
The one side of helical micro focuser is M48X0.75 male thread suitable for M48 thread for your camera, the other is M48X0.75 female thread, it also has a 2" barrel suitable for 2" focusers.
Many telescopes have a focuser which does not allow very precise focusing. Especially difficult jobs such as focusing on a planet can be a real challenge. This helical focuser elegantly overcomes the problem. You need to do nothing more than to connect it to your existing focuser.
The helical focuser has a 2" barrel. This allows it be inserted into the focuser just like an eyepiece. Its separate focusing mechanism now takes over the job of precision focusing. The accessory side of the focuser has a M48 thread for connecting your camera.
A further advantage is that the accessories, like a camera, do not rotate with the focuser. Therefore the orientation of the image remains unchanged. Via the optional M48x0.75 female to M42x0.75 male thread telescope adapter ( Asin: B01DIRJ72I ), the focuser can be easily attached to a CCD camera or DSLR camera with T-ring adapter, so the connection to your camera becomes childs play.
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Sharper focused planets via the helical mechanismOnce the helical focuser is attached, simply turn the oversized focusing knob - which you can control easily even with gloves on in winter. The rotating mechanism allows very smooth and continuous focusing, and without any play. Your new focuser does exactly what you tell it to. |
Adjustment Accuracy: 0.1mmThe accuracy can reach 0.1mm, 39mm focusing stroke, and more precise focusing. Will meet your need for precise focusing during photography, lightweight and portable, its more convenient to carry and use. |
Thread For Eliminating LightEffectively reduce stray light interference, not only improve the brightness of the image, but also effectively reduce the dark edges formed, the edge details of the image are clearer. |