GSO 2-inch Coma Corrector for MPCC Newtonian Telescope High Quality Astronomical Accessory for Coma Correction

GSO 2-inch Coma Corrector for MPCC Newtonian Telescope High Quality Astronomical Accessory for Coma Correction

Description:
- 3-piece modular design: 2" nosepiece with 48mm male thread, 2” eyepiece barrel that can be attached to optical nosepiece, support visually observable optimization.
- M48 - M42 adapter interface.
- Optimizing design can work well from F/3 to F/6.
- It can reduce coma and field curvature.
- It is designed for visual and photographic use.
- Fully transparent optical elements (4 elements/2 lens groups) with an aperture of 43.9mm.
- Back-focus spacing requirement is approx. 75mm from the shoulder of the 2" nosepiece to the image plane.
- For visual use, connect the 2” eyepiece barrel to the main optical nosepiece.
- For Canon/Nikon DSLR cameras (including a standard thickness camera ring with a 55mm rear focus and 108 wires), you will need a spacing of approximately 20mm.

Package Included:
- 1 x Coma Corrector

Note:
- The Newtonian telescope is not included.