William Optics RedCat 91 WIFD 91mm f/4.9 Apochromatic Refractor Telescope (OTA Only network upgrade Compatible With: Dell PowerEdge systems

Compatible With: Dell PowerEdge systems

Type: Internal desktop power supply

DC SUPPLY CONTINUOUS VOLTAGE RATING 8 V to 35 V Continuous CRANKING DROPOUTS Able to survive 0 V for 50 mS

featuring 4x DDR3 SDRAM memory slots and Intel C222 chipset for Intel Xeon E3-1200 v3 processors in Dell PowerEdge R220 server motherboard replacement and board-level repair

Compatible With: Lenovo ThinkSystem servers supporting SAS 12Gbps 2

William Optics RedCat 91 WIFD 91mm f/4.9 Apochromatic Refractor Telescope (OTA Only network upgrade Compatible With: Dell PowerEdge systemsFeaturing 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