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URL: http://www.thaiexcite.com/Sky-Watcher-Quattro-f-4-Coma-Corrector-2-.html

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Sky-Watcher Quattro f4 Coma Corrector, 2"

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รายละเอียด

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Sky-Watcher Quattro f/4 Coma Corrector, 2"

Optimised for Sky-Watcher superfast f/4 Quattro imaging Newtonians, delivering stunning wide-field views with pinpoint stars to the edge of the flat field. Magnification remains unaltered. Features a 4 x element design with one element made from FPL51 ED glass. Requires 55mm back focus. Image height 28mm. Outside diameter 50.8mm. A suitable M48x0.75 adapter is required to match your camera. Sky-Watcher manufactured Canon and Nikon M48x0.75 adaptors are available.​

 

 

SPECIFICATIONS

Number of Elements	4 lens
Weight	310 gram
Length	10.8 cm
Color	black
Barrel Size	diameter 4.4 cm,

 

SUPPORT DOCUMENTS  

Manuals:
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About Sky-Watcher 

Sky-Watcher was launched in 1999 featuring a modest line of Newtonian and refractor optical tubes, with distribution in Europe and Asia. In 2000, Sky-Watcher released their first series of Dobsonian telescopes, and two years later answered the rising popularity of digital SLRs with their first version of the famed German Equatorial Mount, the EQ6. Today, with a full product line that includes Dobsonians, APO refractors, EQ mounts, and photography products, Sky-Watcher has grown into the most popular telescope brand worldwide.