Archived posting to the Leica Users Group, 2008/06/16

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] Piccadilly now M8 bw IR filters
From: imagist3 at mac.com (Lottermoser George)
Date: Mon Jun 16 09:42:37 2008
References: <5.1.0.14.2.20080615235448.00bf2110@mail.2alpha.com> <6D505547-834E-4A02-81EA-2404077D01AA@cox.net> <20080616162459.GA24403@hermes.walkereng.com>

Further: Spectrum rendering has always been a serious consideration  
in B&W photography.
Panchromatic films, Orthochromatic films, IR films, UV films; each  
requiring
Folks have been trying to figure out which filter to use to properly  
interpret to their intentions for the scene for as long as B&W  
photography has been available.
Using CCD and Cmos chips simply bring up their own spectral response  
and require proper filtration whether by the manufacturer supplying a  
filter over the chip or deciding not to (in the case of Leica M8).
Not hocu pocus - rather science - and art depending on your interest.

Fond regards,
George
george@imagist.com
www.imagist.com
http://www.imagist.com/blog
Picture A Week - www.imagist.com/paw_07



On Jun 16, 2008, at 11:24 AM, Emilio Perea wrote:

> On Mon, Jun 16, 2008 at 07:17:35AM -0700, Steve Barbour wrote:
>>
>> what a lot of hocus pocus...seems like people have been shooting bw
>> forever, in all situations, cameras, films....
>>
>> without consideration of IR filters...
>
> Steve,
>
> Assuming you are not joking...
>
> They are talking about BW photography with the M8.  Since the spectral
> sensitivity of the M8 is different enough from that of film so as to
> require IR-cutoff filters in some situations, it is reasonable to  
> wonder
> how those filters affect BW rendition.
>
> (Or were you thrown off by the misleading "IR filter" designation for
> "whatever you call those things"? :-)
>
> Emilio
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


Replies: Reply from kididdoc at cox.net (Steve Barbour) ([Leica] Piccadilly now M8 bw IR filters)
In reply to: Message from pklein at 2alpha.net (Peter Klein) ([Leica] Piccadilly now M8 bw IR filters)
Message from kididdoc at cox.net (Steve Barbour) ([Leica] Piccadilly now M8 bw IR filters)
Message from eperea at walkereng.com (Emilio Perea) ([Leica] Piccadilly now M8 bw IR filters)