Double Focuser, Focuser Aluminium Alloy for Scope/Finder Scope Interface. 1.25 Focuser Astronomical Telescope Accessory. Inner M 42 * 0.75 mm Thread

1. Made of quality aluminium alloy material, high strength, corro resistant, sturdy and .2. Lightweight and compact size, easy to carry and use.3. High precision double 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 FocuserCondition: brand newMaterial: aluminium alloyWeight: Approx. 120gColor: As picture shownFocusing Stroke: Approx. 10mm/0.4inAccuracy of focusing: Approx. 0.05mmInterface: 1.25inches, inner M42*0.75mm thread1.25'' 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.packing list:1 x Focuser

• Made of quality aluminium alloy material, high strength, corro resistant, sturdy and .
• Lightweight and compact size, easy to carry and use.
• High precision double helical focuser for guider scope/finder scope Interface.
• The solution for telescopes or telephoto lenses with sluggish focusing.
• Wonderful accessory for astronomical telescope.