Its the lens, not the sensor, that determines exposure and depth of field

Started Mar 4, 2013 | Discussions thread
ata3001
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Re: Its the lens, not the sensor, that determines exposure and depth of field
In reply to Onabeach, Mar 5, 2013

At f2.8 on crop sensor and on a full frame, the later will have a shallower depth of field, aka a more blurred background because of the extra space in the frame. The difference is highly noticeable when shooting at long focal lengths, such as 135mm or higher, and when shooting at wide open apertures like f.2.8 or more. Basically, the larger the sensor, the more blurred the background will be. The same goes if you compare a full frame vs. medium format.

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