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Johannes Scientific

DSLR Focus Tools

Highest Precision

How to Collimate

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Johannes Scientific
215 Caledonia Dr, Lafayette, Louisiana 70508

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Products

Adjustable Telescope Solar Filter, 86-117mm, Baader AstroSolar Film

Adjustable Telescope Solar Filter, 86-117mm, Baader AstroSolar Film

$19.99
Aluminum Bahtinov Focus Tool for Small Telescopes

Aluminum Bahtinov Focus Tool for Small Telescopes

$42.00
Bahtinov Mask for Camera Lenses & Telescopes

Bahtinov Mask for Camera Lenses & Telescopes

$29.99
High Precision Tri-Bahtinov Mask: Focus and Collimation Tool

High Precision Tri-Bahtinov Mask: Focus and Collimation Tool

$33.00