Optical performances of wide-angles and photographers' needs

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Belgarchi Senior Member • Posts: 2,293
Optical performances of wide-angles and photographers' needs

When using a wide angle, I want:

- An even image, with no distortion nor vignetting, sharp corner to corner. Because typically, I take photos of a 'flat' surface: a landscape (all is more or less at infinity), façades of buildings..... Or I want to play with perspective, and I place the more important subject near a corner.

- No flare: often, because the field is wide, the sun is in the image. Light against the sun is also often beautiful, and of course there are the sunrises and sunsets.

Unfortunately, if tele-lenses can easily meet these criteria, all the specs listed above are... the typical weaknesses of wide-angles. Closing the aperture helps though.

Therefore, in my opinion, it make sense to select carefully your wide-angles, and spend money on them. There is no such thing as a good and cheap wide-angle.

 Belgarchi's gear list:Belgarchi's gear list
Panasonic Lumix DMC-FZ300 Leica D-Lux 7 Olympus PEN-F Pentax KP Fujifilm X-T3 +104 more
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