Archived posting to the Leica Users Group, 2005/09/14

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Subject: [Leica] Photos, some Pentax and some Leica
From: Jim at hemenway.com (Jim Hemenway)
Date: Wed Sep 14 09:45:31 2005
References: <15770704.1126644563183.JavaMail.root@elwamui-royal.atl.sa.earthlink.net> <4327F004.8020406@hemenway.com> <1D95961B-34EA-4102-A6AE-2F2381DD011F@charter.net>

Hi Slobodan:

I'm a little leery of that as I don't want to put any stress on isDS 
lens mount.

But I am going to try bean bags on each end of the lens next time.

Jim

Slobodan Dimitrov wrote:

> You might want to have both the camera and lens supported. Somewhere,  
> in another tech life, I've seen an arm that attaches to the tripod  leg 
> to support the camera. Placing a bean on top of the lens, as a  dampner, 
> should help.
> 
> Slobodan Dimitrov
> Studio G-8, AGCC
> http://sdimitrovphoto.com
> 
> 
> 
> On Sep 14, 2005, at 2:40 AM, Jim Hemenway wrote:
> 
>> Following are some photos taken with an old Pentax telephoto and a  
>> Leica 350 Telyt.
>>
>> It's not a good idea to buy something just because,
>> "I've always wanted one of those!"
>>
>> But... I did it anyway and I'm now on a beer budget again:
>> http://www.hemenway.com/TheCanon.jpg
>>
>> It's a Takumar 4.5/500mm circa 1965+, screw mount M42.
>>
>> I took these photos about 5 weeks ago, a day or so after I received  the
>> lens.  I mounted it on the isDS and I was less than 1/4 mile from the
>> subjects. Shot at around f11 and f16.
>> http://www.hemenway.com/Takumar500/
>>
>> The following were taken a month ago on Telegraph Hill in Hull,
>> MA.  It was very humid and hazy... I couldn't even see the background
>> lighthouse until I downloaded the photos from the camera.
>>
>> I've been told since that the sensors generally pick up just enough
>> infrared so that some items lost in haze will show up in the  digital 
>> image.
>>
>> I think that the hazy conditions caused the "softness" of the distance
>> shots because the photo of the tower and of the other photographer,
>> (about 100 feet from me) are pretty clear in comparison.
>>
>> Shot wide open at f4.5 so that I could have very fast shutter speeds
>> because of the wind shaking the rig a bit.  The large aperture may  have
>> also contributed to the softness.
>>
>> The first lighthouse, Boston Light is about 2 miles from where I was
>> standing and the distant lighthouse, The Graves is almost 3.5 miles.
>> http://www.hemenway.com/Takumar500-Hull/
>>
>>
>> I returned to the hill the following Wednesday to shoot some 11x14,  
>> and also to unscientifically compare the Takumar shots taken  earlier, 
>> with some from the  Leica Telyt 350mm lens.  The weather  was less 
>> humid and hazy, I could easily see The Graves lighthouse.
>>
>> The cropping factor of 1.5 on the isDS gives a 750mm result with the
>> Takumar 500mm... while using the 2x doubler on the 350mm is just a
>> little less at 700mm on the Leica R8.
>> http://www.hemenway.com/TakumarandTelyt/
>>
>> Both sets were shot using a tripod, but there was a little breeze
>> apparent on both days as I composed in the viewfinder.  If I try this
>> again, I'll do it on a clear, dry fall day and I'll use the heavy Ries
>> tripod from my 11x14 kit.
>>
>> I think that these lenses are best for closer subjects like sports and
>> wildlife.
>>
>> Jim
>>
>>
>> _______________________________________________
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>>
> 
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> 


In reply to: Message from Jim at hemenway.com (Jim Hemenway) ([Leica] Photos, some Pentax and some Leica)
Message from s.dimitrov at charter.net (Slobodan Dimitrov) ([Leica] Photos, some Pentax and some Leica)