The physics behind a 35mm f/0.9 lens for $350
For the wide aperture lovers, the way to get an f/0.9-35mm lens for $350 has been here for a while (see video at the end of the post). However, did you know why using a 50mm, f/1.2 lens with a speed booster actually gives you an f/0.9, -35mm lens? There is quite a bit of […]
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