Manufacturer: APM
Product number: APM-37-Deluxe

EUR 679,00


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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Product expected to be available from 17.05.2024

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APM 3.7" RAP Focuser
The quality of this focuser comes close to the well-known Feather Touch focusers from Starlight. The large focuser allows even using full-frame size and medium-format cameras without vignetting, of course with suitable correctors.
Drawtube with rack & pinion drive - no friction - no bending like the Crayford focuser.
Internal baffles against reflections
Clear aperture: 102 mm
Drawtube travel: 100 mm
360° Rotation for optimal selection of the field of view
Self-centering 2" adapter for correct clamping on the optical axis
Connection thread for photo adaptions: M100x1 thread (female), M82x1 thread (female), M63x1 thread (female), M68x1 ZEISS style thread (female)


Lengths, retracted, measured from flange of the 116 mm dovetail ring:
60 mm to the end of the internal M100 thread (no rotation possible)
91.5 mm to the end of the internal M82 thread (rotation possible from here on)
105.5 mm to the end of the internal M63 thread
114.2 mm to the end of the internal M68 thread
138.9 mm to the end of the 2" adapter

Connection at the telescope side:Dovetail ring with 116 mm outer diameter
Connection threads at camera side:M100x1 (non rotatable), M82x1, M63x1 and M68x1 thread (all four female)
Connector at eyepiece side:2" with compression ring - self centering
Minimal height (retracted):60 mm (end of M100 thread)
Maximum height (retracted):138.9 mm (end of 2" adapter)
Drawtube travel:100 mm
Clear aperture:102 mm with anti-reflection thread
Speed reduction:1/10 micro transmission
Payload:up to 9 kg
Weight with rotation adapter:2.5 kg
3.7" RAP focuser
360° rotation adapter M100x1/M82x1
Adapter M82x1/M63x1
Adapter M63x1/M68x1
2" adapter with compression ring
1.25" adapter with compression ring
Finder shoe



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