query: What does AF -0.5 EV sensitivity mean? Or -3EV in Canon 6D's case?
positive_passages.docid: 148969
positive_passages.text: What is EV, when used as an absolute measurement?
negative_passages.docid: 86838
negative_passages.text: What do the red values mean on the distance scale of a lens?
negative_passages.docid: 49187
negative_passages.text: What is focal length and how does it affect my photos?
negative_passages.docid: 50343
negative_passages.text: Why is my camera metering indoor scenes as darker than I expect, forcing me to use a high ISO?
negative_passages.docid: 24382
negative_passages.text: What is the depth-of-field preview button on my DSLR supposed to show me?
negative_passages.docid: 46148
negative_passages.text: Yongnuo YN-685 underexposure issue in bounce mode at longer focal length
negative_passages.docid: 74906
negative_passages.text: What causes an f/0 error on a Nikon D700?
negative_passages.docid: 11096
negative_passages.text: Why does my aperture setting change as I zoom on my DSLR kit lens?
negative_passages.docid: 76471
negative_passages.text: Why is there a 0R resistor linking GND and AGND in analog voltage reference circuit?
negative_passages.docid: 140954
negative_passages.text: what's the relation between sensor size and image quality (noise, dynamic range)?
negative_passages.docid: 52368
negative_passages.text: Does the diameter of the aperture increase with increases in the focal length with constant F-number(F-stops)?
negative_passages.docid: 74913
negative_passages.text: What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
negative_passages.docid: 58821
negative_passages.text: How can the aperture value written in Exif be larger than the nominal limit of the lens?
negative_passages.docid: 67085
negative_passages.text: What is the difference between canon 5D mark II and mark III?
negative_passages.docid: 33211
negative_passages.text: How do I diagnose the source of focus problem in a camera?
negative_passages.docid: 94271
negative_passages.text: What is the reference plane used when the minimum focus distance is measured?
negative_passages.docid: 46631
negative_passages.text: Why is shutter speed changing after each shot in manual mode?