Here’s a clear summary of the camera gear Jeff Mermelstein has used throughout his career:
Film Era – Leica M-P & 35 mm Summilux
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Leica M‑P (rangefinder) paired with a 35 mm f/1.4 Summilux lens 
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Loaded early work with Fujicolor Superia for vibrant color street shots. 
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Mermelstein has said: “I have a long history with Leica beginning with my first M6 when I was in my twenties,” and continued using Leica rangefinders well into his film-based practice. 
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| Leica MP | 
Digital Transition – iPhone
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iPhone camera became his exclusive tool in recent years, especially noted in his series capturing strangers’ text messages for #nyc. 
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He describes the iPhone as "revolutionary," citing its power to reinvent street photography and allow spontaneous, unseen moments. 
Occasional Canon Use
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Mention has been made that he “has also shot with a Canon,” though details are vague—likely early or supplementary in his career. 
Approach & Philosophy
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Color-first: Mermelstein prefers shooting in color to capture life’s “M&M candy-like seduction”. 
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Stealth & spontaneity: The switch to iPhone reflects his need to blend into the street unnoticed and capture candid, ephemeral moments. 
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Consistency in focus: His kit evolved, but his commitment to discovering surprise in everyday life has remained central. 

