Focusers of telescopes. Types, difference, specifications - Star Hunter - Your guide to the world of astronomy
Feather Touch® 2.5" Diameter - Dual Speed Telescope Focuser 3.5" Draw tube travel, and Brake. - Lunt Solar Systems
Glossary | Telescope accessories | General | Type | Focuser
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Thoughts about Focusers – Professor Morison's Astronomy Digest
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Stellafane The Focuser
Thoughts about Focusers – Professor Morison's Astronomy Digest
