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A new AstrHori 18mm f/8 APS-C periscope probe macro lens is expected to be announced on May 28th:
Brightin Star (Xingyao Optics) will announce a new 28mm f/2.8 lens for Leica M-mount with lacquer paint on May 31st (check their Amazon online store). The lens has a diameter of 51.4mm, an overall height of 21.5mm, and weighs 125g. It has 6 elements in 5 groups and a 10-blade aperture with an adjustment range […]