Hi AG,
> > You're right of course. How powerful is your enlarger bulb?
>
> 75 watt in the Omega and 150 watt in the Federal. The Federal
> is supposed to be temperature limited to 75 watts, but the heat
> glass is already broken so sue me. Besides, I haven't used it
> much, but will probably try converting to cold-light. The bulb
> I put in the Omega is a fullsized one, whereas the original was
> much smaller. I really need to get the proper sized bulb, but
> find that the lighting is much more even and diffusion like.
75 Watt is also in my Opemus 5.
> To get back on OM track again, I have found that the 35/2.8 and
> 50/3.5 have produced the sharpest negatives with deep DOF,
> whereas the 100/2.8 might be a smidgen sharper, but DOF is less.
> Nearly every lens I own peaks at F8 in sharpness. Gary's tests
> pretty much prove that too.
Ah, that tells all: you were talking about Zuikos! I thougth you were talking
about enlarger lenses. I wonder whether the f8 rule also is true for enlarger
lenses?
Regards
Bernd
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|