BAADER CARL ZEISS 1.25" ABBE-BARLOW LENS 2x f/4 Practical dust-cover for all types

Practical dust-cover for all types of telescopes

5 mm Diameter 58 mm Weight 370 g SKU BA2454608

5 mm Field stop 8

so adding this adapter will increase the thickness of the ARCO 3" from 23mm to 24

Space technology: a multiple staggered light trap made of heat protection sheets and heat-absorbing special ceramics as the end of the light trap - similar to heat tiles on the space shuttle - absorbs the radiant heat without heating the surroundings too much

BAADER CARL ZEISS 1.25" ABBE-BARLOW LENS 2x f/4 Practical dust-cover for all typesThe Carl Zeiss Abbe Barlow lens is an exceptionally high quality 2x Barlow for both visual and photographic use. Made by Carl Zeiss in Jena and with a 1. 25" T2 ClickLock by Baader, the Abbe Barlow has incredible performance over the visual spectrum. Carl Zeiss's multi layer anti reflection coatings are regarded as the best ever made, with only 0. 2% loss over the exact spectral region where the night adapted human eye is most sensitive. This