SVBONY 1.25'' Helical Focuser for telescopes / finderscopes / guidescopes - Solves sluggish focusing problem of your telescopes or telephoto lenses with this helical focuser
- Flexible connection configurations allows supported for different telescopes / finderscopes / guidescopes on the front end, and different cameras (DSLR / Web cams / dedicated astro cameras) on the backend
- Made using aerospace aluminum alloy material with precision CNC machining technology
- Frosted and anodized housing with anti-skid brass screws
- Focuser has a fixed orientation - there is no rotation of mounted cameras or eyepieces so the field of view of your guide star is fixed when focusing
- Front side has a M31*0.5 male thread that can be connected with various adapters to connect with your telescopes / finderscopes / guidescopes .
- 5 Front-side adapter options (M42 male, M42 female, SCT male, SCT female, 2-inch adapter). See pictures in product description. Sold separately.
- Rear-side has M42x0.75 male thread on its top that can be connected with camera adapters such as Canon / Nikon / Sony / Panasonic / Olympus, etc. Sold separately.
- Rear side also supports eyepieces and standard 1.25" accessories
   M42 male Adapter (sold separately):   M42 female Adapter (sold separately):  SCT Male Adapter (sold separately):  2"Nosepiece Adapter (sold separately):   SCT Female Adapter (sold separately):  SPECIFICATIONS Helical Focuser Model | SV161 | Inner diameter | 1.25" | Stroke | 10mm | Adjustment Accuracy | 0.05mm | Top Male Thread | M42x0.75 | Bottom Male Thread | M31*0.5 | Minimum Height | 43mm | Longest Height | 53mm | Adapter Model | SV150(W9113A) | SV150(W9113B) | SV150(W9113C) | SV150(W9113D) | SV150(W9113E) | Size | M31*0.5 to M42*0.75 female thread | M31*0.5 To M42*0.75 T2 Male Thread | M31*0.5 To SCT Male Thread | M31*0.5 To 2" Female Thread | M31*0.5 To SCT Female Thread | Color | Black | Black | Black | Black | Black | Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy | About SvBony Svbony started operation in 2009 as a manufacturer of astronomy and sports optical accessories, based in Shenzhen, China. For astronomy, Svbony offerings include a wide range of telescope parts and adapters for both visual and astrophotography. Svbony emphasize on good product quality at affordable prices, and has a distribution network across the world, with US/AU/UK/ES/DE/IT/FR oversea warehouses. Amateur astronomers world-wide recognize Svbony products to be of excellent value. Svbony also has one of the most varieties of hardware adapters for astrophotography - you will likely find a solution to a hardware connection problem you have. |