Archived posting to the Leica Users Group, 2019/01/27

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Subject: [Leica] infrared
From: hlritter at bex.net (Howard Ritter)
Date: Sun, 27 Jan 2019 08:41:30 -0500
References: <A992088F-1C31-43AB-B431-E22C3DB1FE64@mac.com> <23E22F10-C80B-4B3A-9637-6C93D26C0566@bex.net> <6FEE8283-D830-4B90-A661-384F335DFA62@gmail.com>

It?s not so much a specific preference for IR use as a default. I like 35mm 
in FF cameras for general use, so with the M8?s small sensor I use the 24mm 
Elmarit. Also, I?ve only invested in one IR filter.

?howard

> On Jan26, 2019, at 2356, CartersXRd via LUG <lug at leica-users.org> wrote:
> 
> what lens do you prefer for IR on the M8?
> 
> ric
> 
> 
>> On Jan 26, 2019, at 10:54 PM, Howard Ritter <hlritter at bex.net> wrote:
>> 
>> If you recall, Leica famously had to provide free IR filters to 
>> purchasers of M8s because the filter glass over the sensor didn?t 
>> eliminate the shorter part of the IR spectrum, resulting in addition of a 
>> red component to the image under certain conditions. Naturally, this 
>> ?bug? can be turned into a ?feature?, also known as making lemonade when 
>> life hands you lemons. An M8 makes a fine IR camera.
>> 
>> My first digital Leica was an M8. I supplanted it with an M240, and 
>> repurposed the M8 as an IR camera.  I use it with a deep IR filter (a B+W 
>> 093, IIRC ? I?m away from home just now) and skew the focus empirically. 
>> See here:
>> 
>> http://gallery.leica-users.org/v/hlritter/gallery/ 
>> <http://gallery.leica-users.org/v/hlritter/gallery/>
>> 
>> 
>> ?howard
>> 
>> 
>>> On Jan26, 2019, at 1347, Steve Barbour via LUG <lug at leica-users.org> 
>>> wrote:
>>> 
>>> Please help. I will convert a camera for shooting  infrared. I would 
>>> appreciate your advice re  the camera  of choice, dealer that is best, 
>>> cost, and I recall a statement re certain cameras that do this best, 
>>> even without modification.
>>> 
>>> 
>>> 
>>> 
>>> Can you help?
>>> 
>>> 
>>> 
>>> 
>>> I thank you very much.
>>> 
>>> 
>>> 
>>> Steve  Barbour
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information



In reply to: Message from stevebarbour at mac.com (Steve Barbour) ([Leica] infrared)
Message from hlritter at bex.net (Howard Ritter) ([Leica] infrared)
Message from cartersxrd at gmail.com (CartersXRd) ([Leica] infrared)