see also:

• Olympus OM system
• fast 50mm focal length lenses

• introduced in 1982 to replace the Olympus OM 55mm f/1.2 MF lens, making it even smaller at an incredible 285g and with a 49mm filter thread, while being improved optically!
• soft with ghosting and CA wide open on Micro Four Thirds cameras

image courtsey of http://www.mir.com.my

• 50mm f/1.2 standard lens for Olympus OM system
• redesigned 6 groups, 7 elements but no floating elements
• 49mm filter
• close focus 0.45m
• 65mm wide by 43mm long
• 310g / 285g?
• Recommended Focusing Screens: 1:1*, 1:2*, 1:3*, 1:4*, 1:5#, 1:10*, 1:13*, 1:14*

• http://www.mir.com.my/rb/photography/hardwares/classics/olympusom1n2/shared/zuiko/htmls/50mm1.htm

• https://www.flickr.com/search/?text=Zuiko%2050mm%20f%2F1.2 reveals a multitude on film by Fabio Sabatini
• https://flic.kr/p/nUBGdf
• https://flic.kr/p/aSgoag
• https://flic.kr/p/nvXJCj
• https://flic.kr/p/o5rsya
• https://flic.kr/p/onAXfp
• https://flic.kr/p/9deL2c into the sunset on dSLR