william optics redcat 91 wifd 91mm f 4 9 apochromatic refractor telescope ota only Third Party The switching technology optimizes energy

The switching technology optimizes energy efficiency

Brand: Astec

Its robust construction and IP54 protection rating ensure durability and resistance against dust and water ingress

brand FSP series FSP 400W Micro ATX Power Supply item_model_number FSP400-60GHS(85-R1 item_weight 2

+12Vsb - 3

william optics redcat 91 wifd 91mm f 4 9 apochromatic refractor telescope ota only Third Party The switching technology optimizes energyFeaturing an image circle big enough for medium format photography, the RedCat 91 WIFD 91mm f 4. 9 Apochromatic Refractor Telescope from William Optics is a photo only optical tube assembly built for making gorgeous deep sky images. The RedCat 91 features a fully multicoated five element lens with super ED, ED, and Lanthanum elements in a field flattening Petzval design that delivers edge to edge sharpness and eliminates complex back focus