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asaint
Carpal Tunnel
Reged: 04/25/03
Posts: 2019
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William Optics 2-Speed Microfocuser
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Gandalf
sage
Reged: 08/19/05
Posts: 423
Loc: The Library of Minas Tirith
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Excellent review, and very useful - thanks!
Stuart
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Stuart Williams aka Gandalf the Grey - "A star shines upon the hour of our meeting".
Meade 10" LX200GPS, ETX90AT, AR6.
The Patrick Moore Lunar Observatory: http://www.lunarobservatory.co.uk
Hi-Mag Lunar Stereo Imaging Project: http://freewebs.com/luna3d
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esdras
member
Reged: 11/24/05
Posts: 24
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What is inside of a 2-Speed Microfocuser that make it work?
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timmbottoni
Pooh-Bah
Reged: 08/25/05
Posts: 1109
Loc: W Chicago suburbs, IL USA
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Please don't take yours apart to see what's inside...
But it consists of two sets of steel bearings, a set of three large ones, and a set of a bunch of tiny ones, that use pressure to turn the larger single speed knob once for every 10 or so revolutions of the slow speed knob.
Its an ingeniously engineered product, with very high quality machined parts.
Timm
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WO Megrez 80FD, Celestron C8
WO SWAN 33mm, UWANs 4mm, 7mm, 16mm, WO SPLs 3mm, 6mm, 12.5mm, WO Zoom II 7.5-22.5
WO EZTouch & Celestron Nexstar GT modified mounts
SV F50B2 Finder in WO Quick Release 50mm bracket
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RGM
professor emeritus
Reged: 09/15/03
Posts: 643
Loc: Burks Falls, Ontario, Canada
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I have one on order. Great review. I will read it a couple more times before my 2-speed arrives.
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Bob
Tak FS78
C8 SCT XLT ASGT
10" LightBridge
Denk Standards and Power Switch diagonal
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mss
Vendor
Reged: 04/23/05
Posts: 95
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err its a radio dial tuner (dial vernier) designed in or around 1920.Not dissing it but the idea its from is ingeneous not the use here. It irks me as this is where the part comes from and that Joe Bauer designed a unit from it several years ago for telescopes, and gets no credit.
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BobBates
newbie
Reged: 12/12/04
Posts: 1
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I have a Megrez 80 Apo (not a Megrez II) I ordered the 2 speed microfocuser and am unable to get it to work. Has anyone installed this on a non Megrez II 80?
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