7Artisans has released its new fully-manual 4mm F2.8 circular fisheye lens for APS-C mirrorless camera systems and compatible drones. The lens, which lacks any sort of communication protocols and requires complete manual control, offers a roughly 6mm full-frame equivalent focal length with a 225ยบ field of view. It's constructed of 10 elements in eight groups, uses a seven-blade aperture diaphragm, has a minimum focusing distance of 8.5mm (.3") and uses a de-clicked aperture ring. The lens is ma...
7Artisan announces $150 4mm F2.8 APS-C circular fisheye lens for APS-C cameras
DP Review - 3 Oct 2022 17:05
7Artisans has released its new fully-manual 4mm F2.8 circular fisheye lens for APS-C mirrorless camera systems and compatible drones. The lens, which lacks any sort of communication protocols and requires complete manual control, offers a roughly 6mm full-frame equivalent focal length with a 225ยบ field of view. It's constructed of 10 elements in eight groups, uses a seven-blade aperture diaphragm, has a minimum focusing distance of 8.5mm (.3") and uses a de-clicked aperture ring. The lens is ma...
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