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Amazon.com : TTartisan Light Meter with Two Dial Electronic Camera Light Meter Hot/Cold Shoe Fixing Camera Photometer Photography Set-top Light Meter, Adjust Shutter Speed, ISO Silver : Electronics
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Amazon.com : AstrHori AH-M1 Light Meter, OLED Real-time Metering, Wide Range of ISO/F/Shutter Value Display, with Adjustable Cold Shoe Position to Work with More Old Cameras : Electronics
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