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. You can also select a camera to see the results for all the lenses tested on it.

First select the lens, then an appropriate test camera. You can use the control dials below the display to change focal length and aperture, and can switch between three views (for Sharpness/CA, Vignetting, and Distortion) by clicking on the tabs at the top.

Check lens performance. Our test chart can help you to see how sharp your lenses really are and which are your lens’s best apertures when you are shooting for ultimate image quality. Professionally produced ISO 12233 test charts are available but they are expensive.

2021年4月22日 · In order to do that, I like to test my lenses to determine where in their aperture range and focal range (if a zoom) they are performing at their best. A lens’s sharpness and degree of vignetting will change based on the aperture selected, as well as its focal length, if …

Analyzing Lens Testing Chart Images. The images you shoot can be analyzed for sharpness and chromatic aberration quite easily. The numbers on the lens testing chart represent the line pairs per mm (lp/mm) values of the test patterns they are next to. These patterns should be pretty accurate down to the set marked 5.0.

2024年1月16日 · Can anyone recommend a high resolution lens test chart which is printable at home? The ISO12233 chart in PDF format is easily found, but does not really have the resolution I am looking for. Professionally produced charts are very expensive, and I suspect would be bent or rolled before they got to me so I really want to print my own. Thanks. tom.

We then use the sharpest image to measure the camera’s MTF. We use these results to generate the DxOMark resolution score. The score represents the sharpness performance of a lens-camera combination averaged over its entire focal length and aperture ranges and is computed as follows:

Imatest SFRplus, eSFR ISO, and Checkerboard chart can produce lens results that are clear and straightforward. These options include the measurement, evaluation, and testing of several image-quality factors, including sharpness, lens flare, geometric calibration, and …

If you want to compare your own camera or lenses with the published charts, test lenses at various focal lengths and apertures, or observe the effects of ISO speed and signal processing, you’ll need to download Imatest. The trial version allows up to twenty runs. The total megapixel count for the camera. The picture height of the camera.

2018年2月12日 · Roger Cicala/LensRental just posted results for the Sigma 24-105mm f4, where it looks to be outstanding, across the field by f5.6 (yes, he tested the lens stopped-down in addition to wide-open). He is currently testing the Sony lens.