1. YZ-18839 aluminium alloy 10mm focusing stroke 1.25 inch helical fine tuning 0.05mm high precision focuser.
2. Made of high quality aluminium alloy material, sturdy and durable, better hand feeling.
3. Lightweight and compact, easy to carry and store, convenient to use.
4. 0.05mm high precision focusing, with 10mm focusing stroke.
5. Professional manufacturing, stable characteristics and high reliability.

Spec:
Condition: 100% Brand New
Item Type: Helical Focuser
Model:
YZ-18839
Material: Aluminium Alloy
Color: As Pictures Shown
Quantity: 1PCS
Weight: Approx. 119g
Thread:
M28.5*0.6
Accuracy: 0.05mm
Focusing Stroke: Approx. 10mm/0.39inch

packing list:
1 x Helical Focuser