Archived posting to the Leica Users Group, 2009/04/16

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Subject: [Leica] 28 Summicron and IR hotspot... on film
From: tgray at 125px.com (Tim Gray)
Date: Thu, 16 Apr 2009 10:34:45 -0400
References: <ee8fa51c0904160426v421eed02n36059619e73af28d@mail.gmail.com> <8f5413a60904160641m48b14d01k3814186648149351@mail.gmail.com> <DEF791BD-2728-4FB4-BD33-641E58B9849F@charter.net>

Are you implying that it occurs before the exposure through the
shutter curtain? That's news to me...

On Thu, Apr 16, 2009 at 10:20 AM, Slobodan Dimitrov
<s.dimitrov at charter.net> wrote:
> It's prevalent to rangefinders, as they have no mirror to act as a baffle.
> That off course excludes the Nikon SP, of which the latter run used a metal
> shutter.
> It's one reason why usage of HEI took off when the SLR came into use. The
> japanese SLRs that is.
> A friend, back in the early 70's, converted an M4 to a metal shutter 
> curtain
> for that very reason.
> It wasn't cheap, even by the neolithic economics of that era.
> S.d.
>
>
> On Apr 16, 2009, at 6:41 AM, Tim Gray wrote:
>
>> Well I've heard lots about hotspots on digital cameras but never on
>> film. ?Which was why I asked.
>>
>> If you don't want that HIE, I might be interested :D
>>
>> On Thu, Apr 16, 2009 at 7:26 AM, Marty Deveney <benedenia at gmail.com>
>> wrote:
>>>
>>> There is some useful anecdotal info from the M8 here:
>>>
>>> http://forum.getdpi.com/forum/showthread.php?s=26793094e0d9c5042ed22f16ba1a86a8&t=257which
>>> will apply equally to HIE or other very IR sensitive films.
>>>
>>> I have used a lot of HIE in the past and still have a brick frozen, but I
>>> think I'll need to use it soon.
>>>
>>> Marty
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>>
>>
>> _______________________________________________
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>
>
> _______________________________________________
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>


Replies: Reply from imagist3 at mac.com (George Lottermoser) ([Leica] 28 Summicron and IR hotspot... on film)
Reply from henningw at archiphoto.com (Henning Wulff) ([Leica] 28 Summicron and IR hotspot... on film)
Reply from s.dimitrov at charter.net (Slobodan Dimitrov) ([Leica] 28 Summicron and IR hotspot... on film)
In reply to: Message from benedenia at gmail.com (Marty Deveney) ([Leica] 28 Summicron and IR hotspot... on film)
Message from tgray at 125px.com (Tim Gray) ([Leica] 28 Summicron and IR hotspot... on film)
Message from s.dimitrov at charter.net (Slobodan Dimitrov) ([Leica] 28 Summicron and IR hotspot... on film)