Here are the full specifications for the Canon RF 50mm f/1.8, I expect this lens to be announced later tonight.
Canon RF 50mm f/1.8 STM:
6 elements in 5 groups
Minimum focusing distance: 0.3m / 11.8″
Maximum magnification: 0.25x
7 aperture blades
43mm filter thread
Size: 69.2mm / 2.72″ x 40.5mm / 1.59″
Weight: 160g / 0.35lbs
Price: $199 USD
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