Alstar f/6.3 Reducer Corrector for C Series Telescopes

Alstar f/6.3 Reducer Corrector for C Series Telescopes

• Converts f/10 optical system to faster f/6.3 for a significantly wider field of view
• Reducer shortens the effective focal length of Schmidt Cassegrain telescope optical system by 37 percent
• This combination focal reducer and field corrector lens accessory works with all Celestron 5 inch; 6 inch; 8 inch; 9 1/4 inch; 11 inch and 14 inch Schmidt Cassegrain telescopes
• Four element; fully multi coated optical design with 41 mm clear aperture
• This clever accessory makes it possible to have a dual focal ratio instrument; without sacrificing image quality