It is available in both full-frame and APS-C mount options and weighs roughly 135g (4.7oz). This manual fisheye lens is constructed of seven elements in six groups, features an F2.8 through F16 aperture range, uses a seven-blade aperture diaphragm and has a minimum focusing distance of 80cm (31.5”). Below is a quick refresher for each of the three lenses. Aside from the new mount options, the lenses remain unchanged.
Venus Optics’ press release says the new mount options will be available to order starting this Friday, November 5, 2021. Venus Optics has announced its bringing its popular 24mm F14 2x Macro Probe lens, as well as its 4mm F2.8 Fisheye and 9mm F2.8 Zero-D lenses, to Canon RF and Nikon Z mount mirrorless camera systems.