Telescope, College Pattern Manufacturer,Supplier and Exporter in China
Product Code : EL-O-14477
The superior quality achromatic objective has an aperture of 25mm and has focal length of 17.5cm. The carriage of the telescope (with up and down motion, improved design, college pattern) tube is fitted with vertical movement by a fine micrometer achromatic objective has an aperture of 25mm and has focal length of 17.5cm. The carriage of the telescope (with up and down motion, improved design, college pattern) tube is fitted with vertical movement by a fine micrometer screw. Focusing arrangement is given by rack and pinion. Complete on a heavy metallic stand having pillar of 18" length with scale and scale holder.
Also available “Advanced reading telescope” with achromatic object glass, focal length 178 mm clear apertures, 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.25mm diameter steel pillar, fitted on a heavy cast iron base with three leveling screws. Both tubes of the telescopes are of brass. With scale holder.
Also available “Reading Telescope”, Simple form focusing from one meter to infinity with universal clamp tripod base stand, 18cms focus object glass. Focusing arrangement is provided with rack and pinion arrangement.