Actually, the surface area of a 35mm size frame is 4 times as large as a
4/3 sensor. The pixel density of the Oly 10MP sensor is already the
equivalent of a 40MP full frame sensor. It's them big fat pixels that
manage to catch buckets of photons.
Chuck Norcutt
Garth Wood wrote:
> Sandy Harris wrote:
>> On 10/22/07, Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx> wrote:
>>
>>> Then what is the advantage of a small sensor ?
>> One is manufacturing cost. Large chips are far harder and more
>> expensive to make.
>
> Actually, another really good point. The same buddy I had a convo with
> last night informs me that Canon's desperately trying to come out with
> more "consumer-grade" FF camera bodies, 'cause they've invested billions
> of dollars into FF chip fabbing and are having a hard time justifying
> ROI based on sales of 5D and 1D*** bodies alone.
>
> On a related note, Canon announced last June that they had created (in
> the lab, I assumed) a 50-megapixel FF chip that would someday be
> incorporated into their DSLRs. I thought at the time, "If Canon can
> create a 50 MPix chip on a surface area twice the size of the 4/3rds
> sensor, there's nothing stopping the creation of a 25 MPix 4/3rds sensor
> for an Oly (or other) camera body with all the desirable characteristics
> people keep claiming for Canon's chips." Part of the problem Oly has in
> comparison to Canon is that Canon (for good or ill) fabs its own imaging
> chips, whereas Oly is dependent on third-party chips for the goods. If
> anyone is seriously suggesting that Oly should fab their own chips, my
> response to Oly's strategic marketing folks, based on my business and
> financial training, would be "Exit the DSLR market immediately!"
>
>
> Garth
>
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