on 30-09-2004 20:40, Walt Wayman wrote:
> Yes, there are such things, but you need to be careful with them. I have only
> one, a 58-55mm that I use on a 150/5.6 Schneider Symmar with my 6x9/6x7 gear.
> I would hesitate to use one on a so-called "normal" focal length lens, and
> never on a wide angle. But in the case you cite as your intended use, it
> might not be a problem.
>
> However, 49-40mm is a pretty big drop, and although it could work, I'm
> guessing nobody makes one like that. I suppose you could find two and screw
> them together, but why? What's wrong with just using a 49mm hood?
>
> I must be missing something.
>
> Walt
Maybe I wasn't clear enough: I'ld like to use a 55-49mm step down ring
combined with the 40mm f2 - 100f2.8 85 f2 hood (which is 49mm screw-in)
Iwert
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