With 4/3, for the same field of view as 35mm, you've got to cut the
focal length in half and to keep the same DOF you have to open 2 stops
instead of 1. When computing DOF remember to cut the CoC in half.
Chuck Norcutt
WayneS wrote:
> At 10:04 PM 11/13/2008, Jim wrote:
>> Thanks, Wayne. I'm aware of the characteristics of the 4/3 system, but,
>> when comparing quality vs. cost, it is hard to beat. I have 35mm film
>> cameras, both RF and SLR, but the convenience of digital has me convinced
>> that the film cameras won't be seeing much use.
>
> I just meant that F2 on 4/3's is similar to F4 on 35mm. That DOF scales
> with the sensor size. Nothing to do with using 35mm for the shot. I'm
> a total digital convenience person myself. I even tossed a half exposed
> roll of Provia, as I knew I would never get around to finishing it or
> processing
> it. That was at least 3 years ago. My OM 50/1.4 is used more often used as
> a loupe for removing splinters than mounted on the camera taking photos.
>
> WayneS
>
>
>
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