Exposure measurement of flash or ambient light, with a choice of spot, reflected or incident modes. , A Cine meter for filming , A light measuring instrument for illumination , Intensities and luminance. , Rotary head with optical viewfinder (1° / 5°) , Zone system measurements , Backlit display , Multiple flash calculation , Contrast measurement , Averaging. , Single hand operation. , Measuring range (At 100 ISO) ,Ambient , Incident light metering EV -2.5 to EV +1 , Reflected light 5° EV 0 to EV +18 , Reflected light 1 ° EV 2 to EV +18 , Flash , Incident light metering f/1.0 to f/128 ,Reflected light 5° f/1.4 to f/128 , Reflected light 1° f2.8tof128 , Sync Speeds 1 /1000 to 1 sec , Apertures f/0.5 to f/128 in full & 1/1 Oth stops , Memory up to 9 readings , Size: 164x66x26mm Weight 195gms