Astromania 1.25" High Precision Double Helical Focuser - Bundle with - 1.25" O-III Filter
4.9 (80 items)
Limited Time SaleUS$59.38 cheaper than the new price!!
Free cash-on-delivery fees for purchases over $99
Product details
| Management number | 208573808 | Release Date | 2026/03/22 | List Price | US$39.59 | Model Number | 208573808 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 1.25 inch O-III Filter greatly enhances contrast during visual observation of gaseous and planetary nebulae in all sky conditions; astrophotographic 1.25inch filter allows high-contrast imaging even in areas with strong light pollution
- Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming; allowing just for the Double Ionized Oxygen lines between 496nm to 501nm to pass through at 95 percent
- Increases contrast through selective filtration-Anti-reflection coated to prevent glaring and ghosting; can be used with all 1.25 inch eyepieces; filter made from high-grade glass with dichroic interference and antireflection coatings
- For guider scope or finder scope interface; solution for telescopes or telephoto lenses with sluggish focusing; fixed orientation so no rotation of mounted cameras or eyepieces or field of view with guide star when focusing
- Interface: 1.25 inch with M42x0.75 male thread; primary mirror Interfaces: M31X0.5 or M42X0.75; accuracy 0.05mm; focusing stroke: 10mm; minimum length: 46mm; longest length: 56mm
Bestseller ranking
Filters
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form