Johannes Scientific

red led astronomy flashlight - 670nm night vision light

paper solar eclipse glasses total observation solar glasses 3d outdoor eclipse viewing glasses iso 12312-2:2015

adjustable telescope solar filter, 86-117mm, baader astrosolar film

high precision tri-bahtinov mask: focus and collimation tool

replacement screws with soft tips for bahtinov masks (3-pack)

kase bright star bahtinov mask - magnetic threaded filter (77mm/82mm)

large bahtinov focus tool for 10 inch telescopes

aluminum bahtinov focus tool for small telescopes

bahtinov focus tool for dslr camera lens

large bahtinov focus mask for 12 inch telescopes 290-340 mm