The high-precision double helical focuser is used for the guide mirror/viewfinder lens interface. Weight: Approx. 120g.
The helical focuser is made of high-quality aluminum alloy material, which has high strength, and durability. Focusing Stroke: Approx. 10mm/0.4in
Lightweight and compact size, easy to carry and use.If you have any problem with our product please contact us, we will do our best to help you.
It can provide a solution for slow focusing telescopes or telephoto lenses.
It is an excellent accessory for astronomical telescopes. 100% brand new. We are devoted to providing better shopping experience for customers
Description
Specification
Item type: Double Helical Focuser
Material: aluminium alloy
Weight: Approx. 120g
Color: As picture shown
Focusing Stroke: Approx. 10mm/0.4in
Accuracy of focusing: Approx. 0.05mm
Interface: 1.25inches, inner M42*0.75mm thread
1.25'' helical focuser, 10mm focusing stroke, lightweight. In the process of focusing, the inserted eyepiece or , etc. keeps no rotation and only makes linear motion, which is conducive to observation and shooting.