Replacement for DOF indicator ring on digital SLR cameras?

[New Daddy]

The DOF indicator ring on old MF lenses appears to be a very convenient contrivance. But I don't see anything equivalent to the DOF indicator ring in my GF1. Although GF1 is a micro four thirds, not a DSLR, I assume DOF indicator mechanism doesn't exist inDSLRs either.

So, why haven't the manufacturers built some kind of DOF indicator into digital SLR cameras?

 

[Derrel]

Snap photo. Look at image just made on camera's LCD. See depth of field effects as rendered by lens. In almost real-time.

The, "DOF indicator mechanism," you speak of--by that do you mean the mechanism, the depth of field preview mechanism? or the depth of field scale found on many older lenses,and still found on many higher-end prime lenses? The lens-based DOF scales vary from lens to lens, and are not really associated with cameras ad much as with lenses.

 

[KmH]

I always understood those scales to be hyperfocus scales, not DOF scales.

 

[table1349]

I always understood those scales to be hyperfocus scales, not DOF scales.

Using DOF Scales