Williams Optical 105/650

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Brand and Model:Williams Optical 105/650
Price ($USD):3100
Type:Apochromatic Refractor
Attributes: un-checked Go-To un-checked PEC
Aperture:105mm (4.1")
f Ratio:f/6.2
Focal Length:650mm
Electric Power:N/A
Weight (lbs):14 lbs.
Dimensions (w/h/d):
Description:O.T.A. only

Vote Highlights Vote
Williams Optical 105/650
A superb performer. Pinpoint star images with no coloration or fringing. A little heavy for my GM8 but perfect sharing my AP900 with the Tec 6. I use Pentax 40mm and an assortment of Radian/Brandon ep's and have seen no shortcomings. I use this with a Takahashi finder. The only complaint I have is that the finder must be placed on the left side of the tube and I have a damaged right eye and causes some consternation. I can rotate the ota to accomodate its use though.

Overall Rating: 9
Optics:9 Ease of Use:10 Value:7
Weight: 1 (Unreliable Vote)
By: Anonymous (xxx.xxx.25.10)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=157488

Williams Optical 105/650
An excellent scope. Star tested with between 1/4 and 1/8 th wave spherical aberration. Focuser not as smooth as a Tak or Vixen. Looks great and a stunning performer. Images bright for the aperture.
Planetary images excellent even despite the imperfect star test.

Overall Rating: 9
Weight: 1 (Unreliable Vote)
By: Anonymous (xxx.xxx.151.251)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=41129

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