Product Description :
Achromatic object glass, focal length 178 mm and 25 mm clear aperture, focusing by rack and pinion (with up and down motion). Carriage for telescope with adjustable ring to stop abrupt falling fitted with adjustable screws for precise vertical and horizontal positioning; scale and scale holder are provided with stand. 25 mm dia steel pillar, fitted on a heavy cast iron base with three leveling screws. Both tubes of the telescope are of brass. With scale and scale holder.