path corrector for 1.25" 1.6x bino-viewers

TS Optics Glass Path Corrector and Barlow Lens Element with 1.25" filter thread - suitable for many binoviewers with 1.25" telescope adaptation

The corrector is simply screwed into the 1.25" filter thread of your binoviewer. The effective magnification will increase by the factor of 1.6. This glass path corrector saves 65mm optical way. If the binoviewer needs 110mm optical way (typical for standard bino viewer) the new needed back focus is only 45mm.