I believe C.H. made the observation that you are unlikely to have an
aperture better than FL/Diameter where the diameter of the B300
is about 80mm.
-jeff
----- Original Message -----
From: "Roger D. Key" <rdk@xxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Thursday, November 22, 2001 6:00 AM
Subject: [OM] iS-3000, B-300 1.7X, Vitacon 0.45X
>
> I have just bought an iS-3000, B-300, and Vitacon 0.45X converter on *Bay;
> I do not have it yet, as funds have to flow over to England first.
>
> Does anyone have any experience of the Vitacon? Apparently it gives a 15mm
> semi-fisheye, but the seller says that it is mostly a toy!
>
> And regarding the B-300, can I combine it with my 85-250/f5 to give a
> 425mm/f5, or will I get problems (apart from the length!!)?
>
> Roger Key, Copenhagen
>
>
>
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