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Re: [OM] Lens hoods for 50mm lenses

Subject: Re: [OM] Lens hoods for 50mm lenses
From: "Pete Prunskunas" <pyotr@xxxxxxxxxxxxx>
Date: Mon, 27 May 2002 10:32:54 -0600
> You have filter ring diameters confused (??):
>    49mm:  50/1.8, 50/1.4 and 50/1.2
>    55mm:  55/1.2

Well actually, I don't, but maybe my post was poorly worded.  I own
both the 50mm f1.2 and 50mm f1.8 (doesn't everyone?), so I knew
they both employ a 49mm filter.

> The 55/1.2 has its own unique hood.  Both the 50/1.4 and 55/1.2 had
> been discontinued when the 50/1.2 was introduced, but the 50/1.8
> and 35/2.8 were still in production.  My SWAG:  a new hood was
> created for the 50/1.2 as the 50/1.8, 50/1.4, 35/2.8 hood would not
> reverse over its barrel.

You and other posters have found the truth.  I never reverse my hoods
as I think the bending will eventually cause them to crack.  So, I never
thought of that reason.  That makes sense, as the 50mm f1.2 barrel is
definitely longer than the ubiquitous 50mm f1.8.

So, from a vignetting and/or fitting the clamp on the barrel point of view,
the hoods appear to be interchangeable, as I suspected.


Pete




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