Your cart is empty.
Your cart is empty. 1. Made of quality aluminium alloy material, high strength, resistant, sturdy and .
2. Lightweight and compact size, easy to carry and use.
3. High precision double helical focuser for guider scope/finder scope Interface.
4. The solution for telescopes or telephoto lenses with sluggish focusing.
5. Wonderful accessory for astronomical telescope.
Specification:
Item type: Double Helical Focuser
Condition: brand new
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 zenith, etc. keeps no rotation and only makes linear motion, which is conducive to observation and shooting.
Package List:
1 x Helical Focuser
V
Reviewed in the United States on March 11, 2025
works as intended, but, the grease used was too stiff (had to oil it for lighter action). Straight travel, no rotation of setup. Nice screw lock for final focus; two locks for tail insert use. Good fine focus ability.
Raymond Schumacher
Reviewed in the United States on February 16, 2025
The media could not be loaded.
Customer
Reviewed in the United States on February 29, 2024
Very disappointed. The focus lock screws seems to lock the focus if VERY tight but the focus ring will still rotate back and forth several degrees. Very sloppy.The focus travel is only 5 mm when they claim it should be 10 mm. And the shortest focus distance is pretty long which makes matching the distance to the main camera difficult.The design is very poor as the various parts will unscrew when focusing.Not sure if I will return it as there really aren't many other options but for the price this is a joke. I usually expect alot more from ZWO.
Recommended Products
$52.84
$ 27 .99 $27.99