Same, would be interested in the 20mm, what effective focal length does the Vivitar have?? Does the 2x converter with the 2x (M4/3 crop sensor) mean a 320-1200???
@WillEastman started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Same, would be interested in the 20mm, what effective focal length does the Vivitar have?? Does the 2x converter with the 2x (M4/3 crop sensor) mean a 320-1200???