Giant Binocular Viewer from Baader Planetarium

Parts included with Our Part # BPBINOV Price and availability

Optional Items to Consider Backfocus In-travel Requirements
Backfocus in-travel is the difference between where the light focuses and the back of the focuser needs to be.

Binoviewer with 1.25x Compensator, 2" Nosepiece (Barrel) and Convertible Barlow - needs 0.6" in-travel
Binoviewer with 1.25x Compensator, Prism and Convertible Barlow - needs 1.8" in-travel
Binoviewer with 1.25x Compensator and 2" Adapter - needs 3.5" in-travel
Binoviewer with 1.25x Compensator and Prism - needs 4.5" in-travel

Binoviewer with 1.70x Compensator, 2" Nosepiece (Barrel) and Convertible Barlow - needs 0.7" out-travel
Binoviewer with 1.70x Compensator, Prism and Convertible Barlow - needs 0.55 " in-travel
Binoviewer with 1.70x Compensator and 2" Adapter - needs 2.25" in-travel
Binoviewer with 1.70x Compensator and Prism - needs 3.25" in-travel

If you do not use the 1.25x compensator, the backfocus is increased by 1.25x in all configurations
Binoviewer with 2" Nosepiece (Barrel) and Convertible Barlow - needs 0.9" in-travel
Binoviewer with Prism and Convertible Barlow - needs 2.25" in-travel
Binoviewer with 2" Adapter - needs 4.4" in-travel
Binoviewer with Prism - needs 5.6" in-travel.

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This page was last modified: January 10, 2007

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