IDSworks introduced a new Pillar Grip for Leica M11 cameras based on the classic design of the Leica M9 grip with adaptability to PD capture, PD anchor, and direct ARCA tripod mounting. Additional informtion is available here.
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IDS Works released a new and improved version of their Leica M11 camera grip
Just announced: new IDSworks modular base plate and L-plate attachments for Leica SL3 cameras