Celestron f/6.3 Reducer Corrector (94175) Mounting Plate 78") @ 20x with included

78") @ 20x with included eyepiece Close Focus: 21

thus having more possible mounting options

71") Field Stop Diameter: 23

This accessory is a must-have for someone planning to use the TV-85 photographically

being able to identify each eyepiece without looking and without using a flashlight

Celestron f/6.3 Reducer Corrector (94175) Mounting Plate 78") @ 20x with includedImagine having two telescopes in one a long focal length instrument for lunar and planetary work and a short focal length scope for deep sky observing and astrophotography. With the Celestron Reducer Corrector Lens, thats precisely what you get. Achieve shorter focal length Explicitly designed for Celestron Schmidt Cassegrain telescopes, this unique lens reduces your telescopes focal length and f ratio by 37%, turning your long focal length telescope