query: How to work out the base "zoom magnification" of a lens?
positive_passages.docid: 11197
positive_passages.text: How do I convert lens focal length (mm) to x-times optical zoom?
negative_passages.docid: 21744
negative_passages.text: Focal length of an ellipse and related results
negative_passages.docid: 41934
negative_passages.text: How do zoom, magnification, and focal length relate?
negative_passages.docid: 15644
negative_passages.text: What is crop factor and how does it relate to focal length?
negative_passages.docid: 83556
negative_passages.text: What are the theoretical minimum and maximum apertures?
negative_passages.docid: 73885
negative_passages.text: How would you implement chromatic aberration?
negative_passages.docid: 85095
negative_passages.text: Selecting optical size?
negative_passages.docid: 106055
negative_passages.text: subcaption: Calculating the Width
negative_passages.docid: 138159
negative_passages.text: Wavelength and resolution
negative_passages.docid: 138345
negative_passages.text: How to zoom a portion of TiKZ picture?
negative_passages.docid: 40865
negative_passages.text: What should I do when I have lenses with different filter thread sizes?
negative_passages.docid: 12506
negative_passages.text: What exactly determines depth of field?
negative_passages.docid: 59156
negative_passages.text: What lens is needed to change the minimal focus distance length of my camera?
negative_passages.docid: 62466
negative_passages.text: How can I get zoom functionality for images?
negative_passages.docid: 103113
negative_passages.text: Why do zoom lenses and compact cameras have varied maximum aperture across the zoom range?
negative_passages.docid: 95899
negative_passages.text: How do I convert between the various measurements?
negative_passages.docid: 92712
negative_passages.text: Are there any tools to scale/magnify a given window or application?