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21 Απρ 2020 · Check out the quality of your lenses with this free lens testing chart, available to download in A3 and A2 sizes at 300ppi resolution.
Lens Calibration Card version 1.0. Download this card, or see more detailed instructions and hints online using the QR code above. INSTRUCTIONS. PREPARE THE CARD: Print out this card and stick the card on a piece of firm board or thin stiff plastic sheet. Use a blade to cut along the red lines and lightly score or indent along the blue lines.
Our unique lens comparison widget lets you view test data for a wide selection of lenses, and compare them to each other at a range of apertures and focal lengths. First select the lens, then an appropriate test camera.
Download, print and use this free lens autofocus calibration card to quickly and esily check and correct the autofocus of your camera and lens system.
The goal of this article is to give you some pointers on how you can do some basic lens testing at home. To do that, I will share with you techniques I have used to test my lenses. There are two parts to my lens-test goal: Evaluating the lens’s performance, Getting the testing out of the way so that I can go out and make photos.
The former tends to be common and is often not problematic; the latter are uncommon and tend to be obvious. Thus, the first thing I'd advise you to do is just shoot with a lens. If there's something dramatically wrong, it's very likely to show up immediately as you examine your images.
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.
