Improving the Hedrick focuser on a PW CDK12.5 The Hedrick focuser is a robust crayford type focuser. But it suffers from a design defect on the motor braket side. The new design prevent wear over time and widely improve the positioning repetability/accuracy. |
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Three focal reducers for a C14 A focal reducer is mainly used on a long focal telescope like the C14. Which one is the best for a C14 ? The veteran Celestron f/6.3, the CCDT67 and 27TVPH made by Astrophysics have been tested... (report in french). |
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Improvement of the JMI 3" NGF-XTc focuser To avoid bending issues, a custom adapter was designed to take place on the focuser main body in order to support the payload of the imaging train (STL+AOL+CAA). |
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New mirror locking system for the C14 A new locking mirror device. Compact and rigid. |
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Improving a Losmandy G11 mount New ball bearings block and coupling device for an improved tracking performance. |
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Improving a C14 optical tube Fans for a better cooling performance, flocking the inner tube to improve the contrast and locking the main mirror for a more accurate tracking. |
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