Archived posting to the Leica Users Group, 2009/10/23

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Subject: [Leica] iso 100.000+??
From: imagist3 at mac.com (George Lottermoser)
Date: Fri, 23 Oct 2009 11:28:31 -0500
References: <30828402.1256302651523.JavaMail.root@wamui-haziran.atl.sa.earthlink.net> <3cad89990910230739p1e2f2f60t454eccab3e85100f@mail.gmail.com>

Jayanand,

You seemed to have missed Doug's main point:
ergonomics in the fields
as related to
manner of working.

While we can discuss optical performance
and print comparisons;
Ergonomics and working methodology
remain purely personal.

Regards,
George Lottermoser
george at imagist.com
http://www.imagist.com
http://www.imagist.com/blog
http://www.linkedin.com/in/imagist

On Oct 23, 2009, at 9:39 AM, Jayanand Govindaraj wrote:

> Doug,
> Actually I have made the comparision - between your prints, which I
> have a few and John Shaw (Nikon and 200-400, 500) and Art Wolfe (Canon
> and 400, 600), and for the life of me I cannot make out ANY difference
> in prints upto 13"x19" or thereabouts. I made these observations after
> looking at prints which I have purchased from all of you and own and
> not off the top of my head. That is a tremendous feather in Leica's
> cap - but it also means that the others have caught up.
>
> Anyway I have said what I have to, as I am sure you have, so let us
> drop the matter.
>
> Cheers
> Jayanand
>
>
>
> On Fri, Oct 23, 2009 at 6:27 PM, Doug Herr  
> <wildlightphoto at earthlink.net> wrote:
>> Jayanand Govindaraj wrote:
>>
>>> No complaint from me either - he is welcome to us what he wants - it
>>> just amuses me to see how other points of view get rubbished, with
>>> incorrect data!
>>
>> What is your data, Jayanand?  You think that at the sizes I print  
>> nobody would be able to distinguish between a photo made with the  
>> 200-400 and a photo and with the 280 f/4 APO?  Have you actually  
>> made this comparison?
>>
>> Regardless of the optical mechanical and ergonomic differences  
>> between the lenses, my field data suggests that they would be  
>> different photos.  The much larger size and weight of the 200-400  
>> would require different technique and a different approach to the  
>> subjects.  I cannot get nearly as close to the animals with a big  
>> lens as I can with a smaller one; the 200-400 would not allow many  
>> of the photos I've posted for this reason.  Many of my wildlife  
>> photos were made at distances under 3 meters (Jackrabbit, for  
>> example) or 2 meters (some of the Mountain Bluebirds, Ring-necked  
>> Pheasant, Sooty Grouse, Common Merganser) or one meter (turkey  
>> poults, ground squirrel) and I'm often following there animals for  
>> hours in rough terrain before I make even one exposure.
>>
>> My experience with heavier lenses is that I cannot frequently go  
>> from a crouched position to standing without excessive fatigue  
>> (I'm also a triathlete, it's not like I'm flabby).  The dense  
>> vegetation I frequently work in also prevents me from using a  
>> longer lens at a longer distance.
>>
>> For these reasons I compare the 280mm f/4 APO with comparable  
>> Nikon lenses, and I find that the APO-Telyt is more suited to my  
>> needs.  I've tried about 2 or 3 dozen lenses from at least 5  
>> makers in the focal lengths between 200mm and 400mm.  I find that  
>> the 280mm f/4 APO is best suited to my needs.
>>
>> In the future please refrain from telling me that I should use  
>> some other equipment unless you can demonstrate a measurable  
>> difference in side-by-side comparisons in the conditions I work in  
>> with my subjects and technique.
>>
>> Doug Herr
>> Birdman of Sacramento
>> http://www.wildlightphoto.com
>>
>>
>>
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>>
>
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Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] iso 100.000+??)
In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] iso 100.000+??)
Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] iso 100.000+??)