William Optics UltraCat 56 WIFD Apochromatic Refractor
Best price now
$988.00at Agena AstroChecked Nov 8
Compared across 3 stores. Prices are checked against each store and labelled with when.
Compared across 3 stores. Prices are checked against each store and labelled with when.
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The UltraCat 56 is a small apochromatic refractor built for wide-field astrophotography. Its 56 mm aperture and 269 mm focal length give a fast f/4.8 field that frames large nebulae and the Milky Way. The internal WIFD rack-and-pinion focuser keeps the imaging train short and rigid, and the Vixen/Arca-Swiss dovetail mounts on most camera tripod heads and equatorial mounts. It suits astrophotographers who want a grab-and-go rig, but its small aperture limits faint, small targets compared with 70-80 mm refractors.
In stock
In stock
Availability unknownSold by milehighastronomy (100% positive, 270 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $988.00 on Nov 8 at High Point Scientific. Tracked across 2 stores since Nov 8.
Owners of the UltraCat line praise the compact build and clean star color for wide-field work. Most criticism centers on the small aperture and the focuser, which some find fussy to automate.
