Let's say you have two sensors, each 12 MP.  One is FF the other smaller
using 1.3X factor. To get the same multiplication factor with the FF,
you have crop  about 1/4th of the area out, which means you have reduced
the resolution by that much.  If the FF is about 1/4th higher res to the
smaller sensor, then you are correct, no disadvantage.

Considering cost and weight of a FF, may not be as great an advantage as
it first appears.

Art

gary wrote:

>I simply see no advantage to have a smaller sensor. I don't see how I
>spent pixels. This makes no sense to me.
>
>Nikon has an option on some models where you can toss the outer area of
>the sensor to save space on the memory card.
>
>R. Jackson wrote:
>
>
>>Sure, but you "spend" pixels of your total sensor resolution to get
>>there.
>>
>>On Jul 10, 2007, at 9:37 AM, gary wrote:
>>
>>
>>
>>>A cropped sensor really doesn't give you more reach. If you think
>>>about
>>>it, you could just crop a full size image to get more "reach."
>>>
>>>
>>
>>
>>
>
>
>

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