Canon EOS 5DS R back The Hasselblad Magnifying hood is

The Hasselblad Magnifying hood is a chimney-style viewfinder for V-series Hasselblad cameras

It’s designed for use on M42 mount cameras

Optics are free of fungus or haze

But if you're in that first group

the GP1 can be used with the D200

Canon EOS 5DS R back The Hasselblad Magnifying hood isThe Canon EOS 5DS R is Canon's highest resolution 5D camera, with a 50mp full frame CMOS sensor. The tradeoff is lower max ISO than the MKIII or MKIV (6400 vs 25600 32000), a slightly lower frame rate (5 vs 6 7), and less emphasis on video functionality, lacking a headphone jack and clean HDMI output for external recorder use. Otherwise, though, if you're into high res stills, this is one heck of a camera. In near new condition, with under 500