query: How does using a teleconverter affect the aperture of a lens?
positive_passages.docid: 24842
positive_passages.text: Does using an extender actually change the aperture of the lens?
negative_passages.docid: 30241
negative_passages.text: How do different aperture and shutter settings affect a photo with the same overall exposure?
negative_passages.docid: 25536
negative_passages.text: What are the consequences of stacking a circular polarizer on top of a UV filter?
negative_passages.docid: 95539
negative_passages.text: Do lenses affect color fidelity?
negative_passages.docid: 73874
negative_passages.text: Does the quality of a UV filter make a difference when used with a cheap lens?
negative_passages.docid: 94456
negative_passages.text: Why does my one lens have different exposure (t-stop) than my other lens?
negative_passages.docid: 80219
negative_passages.text: What is the relationship between field of view and focal length for fisheye?
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: 78500
negative_passages.text: Can I desaturate incoming light using a filter or series of filters mounted to the lens?
negative_passages.docid: 46343
negative_passages.text: When changing between manual and auto focus, should I change the setting on both the body and the lens?
negative_passages.docid: 21523
negative_passages.text: How can aperture be f/11 on a lens with an aperture range designation of 3.5-5.6?
negative_passages.docid: 76957
negative_passages.text: Can I damage the focus system by turning the focus ring when the lens isn't mounted?
negative_passages.docid: 12506
negative_passages.text: What exactly determines depth of field?
negative_passages.docid: 80997
negative_passages.text: What advantages does manual mode have over aperture priority mode?
negative_passages.docid: 51290
negative_passages.text: Does my crop sensor camera actually turn my lenses into a longer focal length?
negative_passages.docid: 34665
negative_passages.text: What image-quality characteristics make a lens good or bad?
negative_passages.docid: 5648
negative_passages.text: Will metering from a DSLR apply to a film SLR?