[Leica] Digital "crop factor"

[bdcolen at earthlink.net (B. D. Colen)]

The lack of really fast lenses is a problem. But don't forget, the 50 f2
(which acts like a 100, IS a 50 f2, and at f2 gives you the isolation at
a "magnification" of a 100 portrait lens that a 50 gives you at f2 -
which isn't bad. Try the new 150 (300) f 2 - Great portrait lens...;-)

-----Original Message-----
From: lug-bounces+bdcolen=earthlink.net@leica-users.org
[mailto:lug-bounces+bdcolen=earthlink.net@leica-users.org] On Behalf Of
Brian Sledz
Sent: Thursday, October 14, 2004 6:07 PM
To: Leica Users Group
Subject: Re: [Leica] Digital "crop factor"


But if you are shooting with the E1, which I did, the only fast lens is
the 50mm f2 macro which is great lens but also "crops", "acts" and or
pretends to be a 100mm in 35mm terms.  I found the pictures to be great
right out of the camera, but I couldn't use that subject isolation like
one can get with the 35mm slux or even the 28 summ wide open.  With the
E1 you are shooting a 14mm f2.8, which seems to have gobs of DOF, stop
it down and the pics can take on a good digital point and shoot. Of
course I did like the reverse of that, using the 200mm f3.5 (400mm) zoom
was handy for wildlife and sporting events. Brian

> From: "B. D. Colen" <bdcolen@earthlink.net>
> Reply-To: Leica Users Group <lug@leica-users.org>
> Date: Thu, 14 Oct 2004 16:53:09 -0400
> To: "'Leica Users Group'" <lug@leica-users.org>
> Subject: RE: [Leica] Digital "crop factor"
> 
> Speed isn't an issue with the crop factor - coverage is. Your 35 lux 
> on a camera with a 1.5 crop factor is still a 1.4 lens - but it's a 
> 52.5. There's no doubt about that being a PITA. But it's also reality.

> And the reality of a 35 mm sensor also carries with it draw backs for 
> those who shoot fast and often - and that has to do with file size and

> storage on cards. If you're shooting at a leisurely pace, and aren't 
> filling up cards, it's not an issue.
> 
> And, no, if one is shooting with the Olympus E-1 system, which has its

> own lenses, there's no crop factor to worry about. But there is the 
> problem of needing all new lenses. ;-)
> 
> -----Original Message-----
> From: lug-bounces+bdcolen=earthlink.net@leica-users.org
> [mailto:lug-bounces+bdcolen=earthlink.net@leica-users.org] On Behalf 
> Of Douglas Herr
> Sent: Thursday, October 14, 2004 4:44 PM
> To: Leica Users Group
> Subject: RE: [Leica] Digital "crop factor"
> 
> 
> "B. D. Colen" <bdcolen@earthlink.net> wrote:
> 
>> Excellent point, Frank. I think all this crop factor talk comes from 
>> the fact that the 35 mm format has been so ubiquitous that it is the 
>> only format most people know - and therefore those marketing digital 
>> cameras feel they have to provide a comparison of their formats to 
>> 35.
> 
> Or perhaps because the cropped format only uses a portion of the image

> circle produced by existing lenses.  If you're starting from scratch 
> with a totally new system then the crop factor is meaningless but if 
> you like the speed and angular coverage of your 35 'lux ASPH the crop 
> factor is a PITA.
> 
> 
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com 
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