query: How can I know how long a long exposure needs to be without relying on the light meter?
positive_passages.docid: 145744
positive_passages.text: How do I meter for long exposures (10+ minutes)?
negative_passages.docid: 127157
negative_passages.text: How to make a light emitting material sensitive to external light
negative_passages.docid: 99691
negative_passages.text: How can I capture an image from iOS camera without user interaction?
negative_passages.docid: 79344
negative_passages.text: Can 30 1-second exposures be combined to a form the equivalent of a single 30s exposure?
negative_passages.docid: 117276
negative_passages.text: Why is my camera so forgiving for overblown exposure when shooting in RAW?
negative_passages.docid: 35002
negative_passages.text: Is there a 'rule of thumb' that I can use to estimate depth of field while shooting?
negative_passages.docid: 10082
negative_passages.text: How does exposure fusion work?
negative_passages.docid: 140781
negative_passages.text: What times and settings should I use for taking pictures of stars at night and falling stars?
negative_passages.docid: 235
negative_passages.text: How to make a cycles light emisson object invisible to the camera?
negative_passages.docid: 22497
negative_passages.text: When should I use exposure compensation?
negative_passages.docid: 23382
negative_passages.text: Need single-shot 1 minute delay-off LED circuit
negative_passages.docid: 89113
negative_passages.text: What is the shutter speed needed to stop motion?
negative_passages.docid: 70910
negative_passages.text: Can stacking multiple exposure images in post-processing give the same effect as a long exposure?
negative_passages.docid: 74585
negative_passages.text: What's the best way to deal with hot/stuck pixels in long exposure night photographs?
negative_passages.docid: 1611
negative_passages.text: When setting my Canon camera on a timer, how do I force it to focus at the time the shot is taken instead of when the timer is set?
negative_passages.docid: 119973
negative_passages.text: Can I get longer than 15 second exposure with my canon SX 50?
negative_passages.docid: 51030
negative_passages.text: How to get the duration of a video in Python?