Equipment for the Serious Amateur Astronomer
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Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer |
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for Film and Digital SLR Cameras |
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Mitsuboshi knife-edge focusers are available
for film and digital SLR cameras.
The focuser works
by temporarily replacing the camera back at the
camera's lens interface. Refer to the
Knife-Edge to Scope
Interface description page for details
on how the focuser is attached to your scope.
Each focuser includes a circular knife-edge with a clean 10 micron thick metal-on-glass edge which is centered in the field of view. Slewing the target star in any direction will conveniently encounter the knife edge, and it is particularly convenient for semi-helical focusers (helical focusers in which the eyepiece holder rotates).
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Each focuser is sold as a set (part number AD-KF35) consisting of the knife-edge holder, locking ring, and a Kenko C-mount adapter specific to your camera. Pentax 67 focuser sets (AD-KF67) consist of a focuser set for a Pentax 35mm camera, plus an additional Pentax adapter to convert from a 35mm Pentax bayonet to the Pentax 67 bayonet. Knife-edge holders and locking rings are also available separately. |
At the time of purchase, customers have the
following calibration options:
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