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MONORAIL 2" Refractor focuser - e.g. for Skywatcher 86mm flange

販売価格 32,476円(本体29,524円、税2,952円)
型番 MonorailR86

商品説明

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【商品説明】
日本語説明作成中
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【原文】

Monorail 2" Refractor focuser - more precise than a standard Crayford system
... advancement of the Crayford focusers, 86mm flange diameter, for OTA with 90mm tube diameter



Our aim was offering a focuser for high loads and also high focusing precision like for heavy CCD cameras. Now we can present the TS monorail focuser.

The Monorail R86 fits to many refractors by Skywatcher, Orion and Celestron:
Enhance your refractor's mechanical quality with a first-class focuser. No complicated adaption work is necessary. The Monorail R86 fits e.g. to:
-- all Skywatcher, Orion US and Celestron refractors with 90mm outer tube diameter (most models with 80 and 90mm aperture).

Advantages of the TS Monorail focuser:
-- Higher load rating than normal Crayford focusers. Instead of small ball bearings, a massive stainless steel rail is used.
-- Precise guiding of the drawtube, no shifting when the locking screw is tightened.
-- Smooth travel and fine focus adjustments even under high load
-- Dual speed with 1:10 Mikro transmission for precise focusing

This is how the TS Monorail focuser works:



The function of the Crayford's ball bearings is take over by a massive stainless steel rail that is fixed to the drawtube. Nothing can be bended any more. Lateral guiding is performed by ball bearings who only have to do this function - they don't have to deal with pressure loads.

Guidance and centering of the rail takes place over its full length of approx. 40mm thus also prevents from bending.

With the small knurled screw between the focus wheels (on the lower side of the focuser), the tension can be adjusted.

The locking task is also solved better. The big locking screw presses exactly in the middle between the bearing points. No bending or shifting is possible, the load is distributed evenly across the full length of the rail.

Technical details:
-- 2" Monorail focuser with brass tension ring at the 2" and 1.25" terminal
-- Minimum height from telescope flange to 2" barrel: 91mm
-- Telescope flange: 86mm diameter with three radial M4 thread bores
-- Travel: 50mm, with mm and inch scale
-- Weight: 860 g incl. 1.25" reducer
-- Housing thickness: 4.3mm

Scope of delivery:
-- TS 2" Monorail focuser with telescope flange
-- Brass compression ring for 2" accessoriesRingklemmung f?r 2" Zubeh?r - ?ber zwei R?ndelschrauben
-- 1.25" reducer with brass compression ring

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