query: How do I change lenses without damaging my camera?
positive_passages.docid: 150144
positive_passages.text: Is it safe to change the lens on my new DSLR?
negative_passages.docid: 143518
negative_passages.text: How do I 'break' a film camera in order to get double exposures?
negative_passages.docid: 113434
negative_passages.text: Can I use exposure compensation in manual mode with auto ISO on a Canon DSLR?
negative_passages.docid: 11996
negative_passages.text: How do I find the right size of filters for a lens?
negative_passages.docid: 151884
negative_passages.text: How do I set focus range?
negative_passages.docid: 63377
negative_passages.text: Which lenses can I use with adapters on my Sony A-mount body and what are the disadvantages of such adapters?
negative_passages.docid: 135288
negative_passages.text: How do I disable fog on specific camera/s
negative_passages.docid: 144558
negative_passages.text: Lens with small scratches on the front element - how do they affect IQ?
negative_passages.docid: 75927
negative_passages.text: Can I use old Pentax lenses on newer Pentax DSLRs?
negative_passages.docid: 112630
negative_passages.text: How should I take care of my new DSLR?
negative_passages.docid: 97709
negative_passages.text: How can I take crisp sharp shots without an expensive lens?
negative_passages.docid: 137089
negative_passages.text: Front element shattered, can I have my lens repaired?
negative_passages.docid: 115330
negative_passages.text: Why isn't it safe to use EF-S lenses on fullframe?
negative_passages.docid: 98410
negative_passages.text: How to shop for a lens filter?
negative_passages.docid: 107952
negative_passages.text: Do different lenses affect noise level?
negative_passages.docid: 7092
negative_passages.text: How do I focus in low light for long exposures?
negative_passages.docid: 94456
negative_passages.text: Why does my one lens have different exposure (t-stop) than my other lens?