NEW ARRIVAL ! William Optics RedCat 51 Flatfield APO Full Frame 51/250 mm f/4.9.
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Include : -William Optics 51mm Petzval APO Refractor Telescope - RedCat -Helical Focuser with 360 Degree Rotator -Bahtinov Mask -Vixen-Style Dovetail 210mm NEW VERSION -Soft Carrying Case
Whether you are a wildlife photographer, an astrophotographer, or a wandering astronomer who needs to travel light, you are going to love the William Optics RedCat Lens, with an aperture of 51mm, a focal length of 250mm and a fast f/4.9 focal ratio! It is lightweight and super portable and comes with 48mm threads to accept a variety of wide T-mounts, from Canon to Nikon, Sony E to Pentax, or Micro 4/3.
You can also put a diagonal and eyepiece on the back for spectacularly sharp, high contrast images of both terrestrial and celestial targets. Mount the William Optics RedCat on a photographic tripod or an equatorial mount with the reversible base that has Arco-Swiss mounting on one side and a standard Vixen dovetail on the other. That’s just the beginning, though! Check out all the features of this flexible APO refractor that can do triple duty as a camera lens, a spotting scope, or a telescope:
SPEC : Telescope Series: William Optics RedCat Optical Design: Refractor Refractor Design: Apochromat (APO) Number of Refractor Elements: 4 Aperture: 2" (51mm) Focal Ratio: f/4.9 Focal Length: 250mm Focuser Style: Helical OTA Length - Retracted: 8.3" (210mm) Image Circle Size: 44mm Weight 1.47 kg