Oh tish tosh... If I wasn't sure about my guess, I'd say something like
"The Super Angulon XL 90mm is approximately as wide as, say, a 20.3mm
lens
on the OM system"
:-)
On 21 Jul 2009, at 12:10 PM, Jez Cunningham wrote:
> "Trust but verify" ... :-)
>
> On Mon, Jul 20, 2009 at 7:35 PM, Chuck Norcutt <
> chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
>
>> Thanks. I double checked your 90mm on 5x7 = 18mm on 35mm calculation
>> since I didn't think off the top of my head that 90mm on 5x7 would be
>> quite that wide. I found the respective angles of coverage to be
>> within
>> a fraction of a degree. :-)
>>
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