Explore Scientific 3X Focal Extender - 1.25" - FE03-125 7X Binoculars Baader Astro Conversion Filter for

Baader Astro Conversion Filter for Canon DSLRs Specifications

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About the Celestron Luminos 2" Barlow Lens

rubber grip ring for secure handling

Explore Scientific 3X Focal Extender - 1.25" - FE03-125 7X Binoculars Baader Astro Conversion Filter forAbout the Explore Scientific 3X Focal Extender 1. 25" An Explore Scientific Focal Extender does exactly what the name implies; it extends the effective focal length of the lens that it is used in conjunction with, thus producing higher magnifications for imaging and visual applications. Focal extenders are similar to a Barlow or tele negative lens, but there is one important difference between the two that you will want to take into consideration,