Res­o­lu­tion

Amateur Photographer - - Testbench -

The lack of op­ti­cal low-pass fil­ter plays its part in a max­i­mum of 3,400/lph be­ing re­solved be­tween ISO 80 and ISO 400. Res­o­lu­tion takes a slight hit at ISO 800, drop­ping to 3,200l/ph. At ISO 3200 and ISO 6400 the fig­ure con­tin­ues to ex­ceed 3,000l/ph. Ro­tat­ing the ISO dial to its ‘H’ set­ting re­vealed a fur­ther drop in res­o­lu­tion at ISO 25,600 (2,600l/ph), with 2,400l/ph be­ing re­solved at ISO 51,200. Users will find the op­tion to set the ‘H’ set­ting be­tween ISO 25,600 and ISO 51,200 from the but­ton/dial set­tings in the main menu.

On the right we show de­tails from our res­o­lu­tion chart test pat­tern (above). Mul­ti­ply the num­ber be­neath the lines by 200 to give the res­o­lu­tion in lines per pic­ture height (l/ph).

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