see also:

• Olympus mZD 7-14mm f/2.8 PRO lens

• ultra wide angle MF prime lens for Micro Four Thirds system
• light weight and wide field of view potentially makes it a candidate for drone photography

• 7.5mm focal length = 15mm in full frame terms giving 110deg field of view
• f/2.0 widest aperture
• 46mm filter thread
• manual focus only
• close focus to 12cm
• 50mm x 55mm long
• 170g
• $AU750

• http://mirrorlesscomparison.com/micro-four-thirds-lenses/laowa-7-5mm-mft-wide-angle-zooms/
  • not great for astrophotography but otherwise a reasonable lens if you get a good copy
• https://www.ephotozine.com/article/venus-laowa-7-5mm-f-2-mft-lens-review-31253
• https://www.youtube.com/watch?v=Bcs3WC9Rd9Q