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johnrt

Atik 314l+ Crop factor

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Can anyone please point me in the direction of some information to calculate the crop factor fot my Atik (chip size 10.2mm x 8.3mm).

I am interested in the equivalent 35mm focal length I would get using standard eos lens.

Many thanks!

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Hi John,

To find the correct crop factor for your sensor, you divide the diagonal of a full frame sensor (24x36mm, diagonal 43.3mm) by the diagonal of the sensor of the Atik (10.2x8.3mm, diagonal 13.15mm). Hence: 43.3/13.15 = 3.29. This is the crop factor.

So, for example, a 200mm lens would act as a 200x3.29=658mm lens when used with your Atik camera.

Peter

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Brilliant. Thanks very much.

Hi John,

To find the correct crop factor for your sensor, you divide the diagonal of a full frame sensor (24x36mm, diagonal 43.3mm) by the diagonal of the sensor of the Atik (10.2x8.3mm, diagonal 13.15mm). Hence: 43.3/13.15 = 3.29. This is the crop factor.

So, for example, a 200mm lens would act as a 200x3.29=658mm lens when used with your Atik camera.

Peter

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Excellent.. always pondered this but was to lazy to work it out :(

Thanks Peter..

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