How to use: 1,determine the distance between camera and the main feature by your eye,and then find this distance on the upside of the exposure meter. Specification: 1, adjustable lampholder 2, hot shoe holder 3, battery door 4, testing switch 5, hot shoe lock 6, prepare indicator lamp 7, power switch 8, in-phase jack Technology Capability 1,flash index: GN20m (ISO100,DIN21) 2,color temperature: 5600k ( for sunlight ) 3,efficient illuminating beam: horizontal 60°,vertical 40° 4,power: 1., 5v double A battery (Not Included) 5,Back time interval: 7 seconds 6,flash continuous time: 1/1000s(manual) 7,size: 65×60×98mm 8,weight: 100g Camera shutter adjustment The camera with inter-mirror shutter can adjust to any speed. Hersay CY-20 Universal Hot Shoe On-Caera Flash Speedlite Electronic... Compatible with various digital camera and traditional camera. photonasty is ISO100/DIN21,the distance between the camera and the main feature is 5m,then the aperture is approximately F/4 Shoe suitable for all ordinary digital camera (such as 602,717,750, G3, etc., ) and traditional cameras. 3,you can get your aperture number from the following formula? Index(GN)=aperture(F)×distance(L) Eg. The adjustable lamp holder is filmed in colours and black and white from the ideal light source and can be used as an auxiliary light for photo shoots Or you can adjust your speed according to your instruction. The joint of this two lines is approximtely the apertu:re number. FocusFoto Universal Hot Shoe On-Camera Flash Speedlite For India Including Lahore, Karachi, Islamabad, Faisalabad, Sialkot, Multan. Electronic Speedlight FocusFoto YINYAN CY-20 Universal Camera Flash Compact Speedlite With Sync Port 1145846 While the camera with focal plane shutter can just adjust to the speed profile of“X”., (Generally 1/60s). 2,find the photonasty of your camera from the first vertical line of the left of the exposure meter.
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