Sirui B-00K chemistry type_Stop This black chrome M4-2 is

This black chrome M4-2 is a classic M-mount rangefinder camera with 35/50/90/135mm framelines

Paterson 3-reel Super System 4 developing tank

The RF mode is a magnified image of the rangefinder only- basically an optical version of the Live View zoom mode on newer mirrorless cameras that makes accurate focusing easy

quick focusing

Sirui B-00K chemistry type_Stop This black chrome M4-2 isThe Sirui B 00K is a compact, lightweight ball head with a load capacity of up to 10kg. It has individual locks for panning and ball operation, and features a standard Arca type quick release system (one plate is included). Connects to any tripod with a 3 8" head mounting thread; the camera mount is the standard 1 4". A well made head at a good price.