When using photo filters and creative filters I had on an "analog" recourse meter.! Camera Internal Bel.Messanzeigen digital cameras ..sind often not usable for these light measurements ... Because I had sold the old meter, ...- I opted for the digital exposure meter of Digisix. 2 The device is small, (the size of a matchbox about) handy and made of quality plastic .About a rotary wheel of the setting value is transmitted digitally displayed and then let the aperture or shutter speed read. The Lichtmesskalotte is displaceable.! The device has several functions ... set ISO speeds from 100 to 32oo, ..Timerfunktion about for long exposures, .. Ambient light measurement ... contrast measurement ... temperature measurement ... clock ... alarm function. 2 keys ..The stops are displayed in 1/3 increments. The measured value, we then transferred to the computer via the ring -kleine- setting window, (which could be a bit bigger !!) or such with zoom function ....- ... Bel speeds of 1 / 2000-4 / Min. Aperture 1 to 32 ... .Messw.25` ... The meter works reliably and accurately. It makes calligraphic brate also.! A carrying strap to hang around the neck ... and a small protective case are included. Similarly, a button cell ,, which is inserted separately into the housing .With the fast delivery of Amazon and the solid packaging, I am satisfied, ..gerade for difficult readability of the display is too small for people with glasses i can .. but only awarded four stars