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7 maj 2013 · The newer, simplified Canon MTF charts now display results calculated exclusively with the lens aperture wide-open, but continue to display separate curves for contrast — which many lens engineers feel is the most important attribute — as well as resolution values.
- How to Read an MTF Chart
MTF charts (short for Modulation Transfer Function) provide...
- How to Read an MTF Chart
DXOMARK's comprehensive camera lens test result database allows you to browse and select lenses for comparison based on their characteristics, brand, price, lens type, lens size, focal range and aperture.
However, deciphering MTF charts and comparing the resolution of different lenses can be a science unto itself. This tutorial gives an overview of the fundamental concepts and terms used for assessing lens quality.
23 lip 2024 · MTF charts (short for Modulation Transfer Function) provide a graph analyzing a lens' ability to resolve sharp details in very fine sets of parallel lines, and a lens' contrast or ability to provide a sharp transfer between light and dark areas in sets of thicker parallel lines.
12 lut 2020 · How to Read Canon MTF Charts. Similar to Nikon, you can find MTF data for all Canon lenses that are currently being manufactured. Canon has a slightly different method of providing MTF data. Unlike Nikon, Canon also shows the stopped down performance of lenses at f/8, which can be very useful.
8 wrz 2017 · This is the laser measured distance from the camera sensor plane to a subject framed the specified size at the specified focal length. Use these values to compare lenses or to determine if a lens will meet your needs. Most Canon and Nikon lenses and many other third party lenses have this information included in the database.
8 gru 2022 · MTF charts give photographers a decent indication of how a lens will perform under certain conditions; they compare real-world lenses with a hypothetical ‘perfect’ lens.
