William Optics ZenithStar 66


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Brand and Model:William Optics ZenithStar 66
Price ($USD):399
Type:Petzval Refractor
Attributes: un-checked Go-To un-checked PEC
Aperture:66
f Ratio:
Focal Length:400
Finder:
Electric Power:
Mount:
Tripod:
Weight (lbs):
Dimensions (w/h/d):
Description:Aperture 66mm(2.6")
Focal Ratio F/6.1
Focal Length 400mm(15.7")
Objective Type 4 Elements Design
Fully Multi-Coated
Resolving Power 1.78"
Limiting Magnitude 10.8
Lens Shade Retractable
Focuser 1.6"(40.6 mm)Crayford Focuser
61 mm(2.4")Focuser Travel Length
360° Rotatable Design
1.25" Adapter Brass Compression Rings
L- type Mount L Bracket Based
Field Stops 10 Baffles
Dew Shield O.D. 3.3"(85 mm)
Tube Diameter 2.95"(75 mm)
Tube Length 13.6" (345 mm) Fully Retracted
16.1" (410 mm) Fully Extended
Tube Weight 3.7 lbs.( 1.7 kg)
Case Stylish carrying bag
Case Dimensions
(WxHxD) 19" x 11" x 6.3"
(48 cmx28 cmx16 cm)
(Water Resistance)

Vote Highlights Vote
William Optics ZenithStar 66
This review applies to the 66 mm fluorite doublet f/5.9 version. Very good star test (slightly softer outside focus than inside, but images are round and crisp). My guess is about 1/6 wave. Wonderfully functional with rotating focuser, fine focus extension on right focus knob, smooth sliding dew cap of ample length. Bracket for 1/4-20 screw also angled and shaped like standard Vixen dovetail so it attaches to any GP or Vixen mount with no rings or adaptor. Light weight and compact in aluminum case (included, but no diagonal or eyepiece). Best $399 travel scope I've seen. Absolutely stable on Vixen Alt Az mount.

Overall Rating: 9
Optics:8 Ease of Use:10 Value:10
Weight: 3 (Unreliable Vote)
Date:
By: Anonymous (xxx.xxx.116.137)
Link to this vote: http://www.excelsis.com/1.0/displayvote.php?voteid=482509


William Optics ZenithStar 66
wonderful scope, It's a real gem ,I felt i paid too little.Best grab n go I owned,finally,I have a keeper.

Overall Rating: 10
Optics:9 Ease of Use:9 Value:10
Weight: 3 (Unreliable Vote)
Date:
By: Anonymous (xxx.xxx.34.254)
Link to this vote: http://www.excelsis.com/1.0/displayvote.php?voteid=462035

Is this the 6.1 petzval or the 5.9version that you are referring to?  How is the color on Jupiter, Saturn?  Thanks...
ko

>wonderful scope, It's a real gem ,I felt i paid too little.Best grab n go I owned,finally,I have a keeper.

William Optics ZenithStar 66
A very nice grab and go scope, fit and finish are outstanding, optics are well corrected with a flat field and pin point stars to edge. False color on the the moon was minimal and unobtrusive. The two speed focuser very smooth for the most part, did have it get a little "sticky" with heavier eyepieces. Overall, a very good buy for a portable instrument, I'll be keeping this one. I bought the WO zoom eyepiece to use on trips and it appears to be a good match for the scope (soft case has one eyepiece hole)

Overall Rating: 9
Optics:9 Ease of Use:9 Value:10
Weight: 1 (Unreliable Vote)
Date:
By: Anonymous (xxx.xxx.99.21)
Link to this vote: http://www.excelsis.com/1.0/displayvote.php?voteid=551298

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