På 30. des. 2003 kl. 01.02 skrev Rob Studdert:
On 29 Dec 2003 at 23:53, Dag T wrote:
Sorry, I lost you there, you meant 12,5mm?
No, 12.5mm FL lens on a 35mm frame provides a 120° DAOV or 110° HAOV.
OK, but if a 22.5mm FF lens has an angle of view of 88mm (a didn´t
remember those numbers), the
On 30 Dec 2003 at 10:39, Dag T wrote:
OK, but if a 22.5mm FF lens has an angle of view of 88mm (a didn´t
remember those numbers), the FOV factor of 1.5 of the *istD should
indicate that a new DA lens with this angle of view would be a 15mm.
OK now I'm confused.
If the diagonal angle of
På 30. des. 2003 kl. 14.13 skrev Rob Studdert:
On 30 Dec 2003 at 10:39, Dag T wrote:
OK, but if a 22.5mm FF lens has an angle of view of 88mm (a didn´t
remember those numbers), the FOV factor of 1.5 of the *istD should
indicate that a new DA lens with this angle of view would be a 15mm.
OK now
, December 27, 2003 6:08 PM
Subject: RE: Pentax AF 18.5/2.8 for SLR
A 10:1 zoom ratio. Would that likely be an Ltd lens?
Len
* There's no place like 127.0.0.1
-Original Message-
From: Jostein [mailto:[EMAIL PROTECTED]
Sent: Saturday, December 27, 2003 6:47 AM
To: [EMAIL
I don't have the URL anymore. Send it to me and I'll find it again, if I
can.
Len
---
* There's no place like 127.0.0.1
From: Jostein [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Pentax AF 18.5/2.8 for SLR
Date: Mon, 29 Dec 2003 19:34:08 +0100
I missed
Paris [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Saturday, December 27, 2003 6:08 PM
Subject: RE: Pentax AF 18.5/2.8 for SLR
A 10:1 zoom ratio. Would that likely be an Ltd lens?
Len
* There's no place like 127.0.0.1
-Original Message-
From: Jostein [mailto:[EMAIL PROTECTED]
Sent
.
I don't have the URL anymore. Send it to me and I'll find it again, if I
can.
Len
---
* There's no place like 127.0.0.1
From: Jostein [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Pentax AF 18.5/2.8 for SLR
Date: Mon, 29 Dec 2003 19:34:08
and I'll find it again,
if I can.
Len
---
* There's no place like 127.0.0.1
From: Jostein [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Pentax AF 18.5/2.8 for SLR
Date: Mon, 29 Dec 2003 19:34:08 +0100
I missed the part saying it's a zoom.
Do you have any
word for
it. It's of no consequence, anyway.
Len
---
* There's no place like 127.0.0.1
From: Dag T [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Pentax AF 18.5/2.8 for SLR
Date: Mon, 29 Dec 2003 20:47:36 +0100
Here it is:
http://appft1.uspto.gov/netacgi/nph
That would be my guess.
The $600 digital point-and-shoots now have 8x or 10x optical zoom;
it's going to be hard to sell DSLRs into that marketplace if all
they have to offer is 3x optical.
(I think Sony now combine 7x optical with 8x digital for 56x zoom!)
More like a consumer DA zoom.
A 10:1 zoom ratio. Would that likely be an Ltd lens?
Len
* There's no place like 127.0.0.1
-Original Message-
From: Jostein [mailto:[EMAIL PROTECTED]
Sent: Saturday, December 27, 2003 6:47 AM
To: [EMAIL PROTECTED]
Subject: Re: Pentax AF 18.5/2.8 for SLR
Not being able
Who know? But there was another patient which was 12?mm f2.5 (don't remember
the exact focal length) which appeared to be a Limited lens focal length.
They must have dropped it.
Yours regards,
Alan Chan
http://www.pbase.com/wlachan
Not being able to decipher patent language, my first guess is
More like a consumer DA zoom.
Yours regards,
Alan Chan
http://www.pbase.com/wlachan
A 10:1 zoom ratio. Would that likely be an Ltd lens?
Len
* There's no place like 127.0.0.1
_
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