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Astronomy > Telescope accessories > Focusers > Focusers > KineOptics > KineOptics Focuser HC-2 Helical Crayford 2"
Product no.: 65755

Focuser HC-2 Helical Crayford 2"

$ 294.00 incl. VAT plus shipping costs
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Express shipment possible for delivery tomorrow, 04.12.2024!

Delivery possible before Christmas (European destinations) - when you order by 18.12.!
Right of return up to January 31 2025!


Product description

Why a Helical Crayford?

Helical focusers have long been the answer to a low profile Newtonian focuser. One of the problems has been the annoying slop in the threads. Another problem is the lack of a travel rate fast enough for accurate focusing. Most helical focusers have a single thread which limits the travel per turn to about 0.125". With multiple lead threads, the rate can be increased somewhat, but still falls short of the necessary rate.

This Helical Crayford design permits a fast rate, smooth feel, no slop, and backlash free performance in a simple, lightweight design. Also, the HC-2 has no grease to collect bugs or get stiff in cold weather.

Specifications

Capacity


Connection ( to eyepiece)
2"
Draw Tube Travel (mm)
32,76
Connection
Screw thread

General


Height (mm)
24,75
Material
Stainless steel
Weight (g)
195
Type
Focuser
Type of build
Helical
KineOptics Focuser HC-2 Helical Crayford 2"
KineOptics Focuser HC-2 Helical Crayford 2"
KineOptics Focuser HC-2 Helical Crayford 2"
KineOptics Focuser HC-2 Helical Crayford 2"

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