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TSLPR3

TS Optics

TS-Optics 3" Refractor & Cassegrain Crayford Focuser - LINEAR POWER - low profile 

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TSLPR3

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199,00 € 199 EUR

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TS 3" Refractor & Cassegrain Crayford Focuser - LINEAR POWER - low profile

... a strong focuser for refractors and cassegrain reflectors with better illumination

 TS-Optics 3" Refractor & Cassegrain Crayford Focuser - LINEAR POWER - low profile [EN]

 

The 3" LINEAR POWER focuser is perfect for do-it-yourself or upgrading of fast refractors, Cassegrainians oder RC telescopes, where a 2" focuser would cause vignetting. Of course, the focuser has different threads for attaching correctors.

The 3" LINEAR POWER is an improvement of the Crayford principle.

The load does not rest on four, often underdimensioned ball bearings, but on a massively supported, laterally guided stainless steel track at the base. That prevents tilting of the focuser even at high load. Countering is done via a big thumbscrew which presses the inner tube exactly on the rail. Therefore, the load is distributed evenly over the track.

1:10 micro reduction for more accurate focusing: of course the 3" Linear power also features the reduction.

Specification:
-- Minimal distance from M117 connector to the 2" connector: 83mm
-- Minimal length from the base to the M68 thread connector: 60mm
-- Travel: 50mm
-- Connection eyepiece/scope side: 1,25" and 2" (ring fixing) - M69x1 female threads - 78mm female threads
-- Open diameter of the focuser: 78mm
-- Outer diameter of the focuser tube: 83mm + 5mm for the stainless steel track
-- Connecting thread: M117x1mm female

Scope of delivery:
1 focuser

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