----- Original Message -----
From: "Rob Studdert" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, March 03, 2001 1:04 AM
Subject: Re: Fish eye lens
> On 2 Mar 2001, at 23:32, Cyril MARION wrote:
>> Recently I tried a 17mm
> > f/4.0 fish-eye M type and found that it does not cover
the
>> presumed HFVO of 180°, just something arround 110/120°.
> > I need to know if it's normal.
> A 17mm or 16mm Fisheye lens in 35mm format is generally
know
>> as a full frame Fisheye lens ie the entire frame is
covered therefore
there will only be
> 180 degrees angle of view across the diagonal of the
frame. The HAOV
> should be about 150 degrees and the VAOV covers ~100
degrees.
In my understanding, the correct name for this 16/17 mm
lenses in Germany was for a long time *semi-fisheye* and for
these-one,
who produced real round pictures with a black frame the
correct
name was *fisheye*. More german expressions: *Fischauge* und
*Semi-Fischauge(-n-Objektiv*).
Kristian-H. Schüssler
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