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APM comacorrected 1.25" ED Barlow 2.67 x

Started by apmtelescopes, 06/11/2012 12:48PM
Posted 06/11/2012 12:48PM Opening Post
APM comacorrected 1.25" ED Barlow 2.67 x, designed by Gerd Duering/Germany

New Product at APM-Telescopes, Unique in the World

APM comacorrected 1.25" ED Barlow 2.67 x, designed by Gerd D?ring/Germany. The Barlow use the chinese ED Glas FK61 ( similar to Ohara FPL51), has blackenededges, a measured transmission von over 99% from 400 nm to 700 nm, optimized for F/4 Newtonian-Telescopes. The barlow has a negative focal length of - 62.9 mm and a working backfocuse of 105 mm from center last lens to focuse ( eyepiece field stop). You will need now a 1.25" eyepiece holer 104 mm long

On Stock now

Markus Ludes
APM-Telescopes

Attached Image:

apmtelescopes's attachment for post 55703

clear skies

Markus Ludes
APM-Telescopes/Germany