During the Easter holidays 29.3. and 31.3. all our stores are closed except the AlzaDrive in Senec. On Easter Monday 1.4. all stores are closed, including AlzaDrive, however you can still use the delivery to our AlzaBoxes.

Alza B2B

Maximum Lens Aperture

The aperture (f/) indicates how much light reaches the sensor through the lens.

It is the ratio of the focal length to the diameter of the inlet of the objective lens. For lenses with variable focal lengths, the maximum aperture is around f/2.8, whereas fixed-focal lenses start with a maximum aperture of f/1.4. The aperture also decreases as the focal length increases. A lens with a larger aperture allows for shooting in low light conditions without using a flash.

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