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Re: [OM] Digital B&W Photography - A Revelation

Subject: Re: [OM] Digital B&W Photography - A Revelation
From: "Wayne Harridge" <wayne.harridge@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 19 Jun 2014 21:13:30 +1000
There is no way with to achieve the effect of a sharp cut filter apart from
using a sharp cut filter when you shoot.  Adjusting RGB channels doesn't
give the wavelength discrimination you can achieve with specific filters -
like in the case of different greens that you mention.  If you look at the
colour sensitivity of a typical sensor (film or digital) there is
considerable overlap of spectral sensitivity in the R-G & G-B ranges.

...Wayne


-----Original Message-----
From: olympus
[mailto:olympus-bounces+wayne.harridge=structuregraphs.com@xxxxxxxxxxxxxxxxx
] On Behalf Of Chris Trask
Sent: Wednesday, 18 June 2014 11:21 PM
To: Olympus Camera Discussion; Olympus Camera Discussion
Subject: Re: [OM] Digital B&W Photography - A Revelation


     Same here.  I have certain expectations about B&W from decades of film,
and what I've seen so far has been a giant leap backwards.  Using Wratten
filters gives even entry level film photographers a vector for creativity,
and it's missing here.  I like to be able to darken the sky so as to
highlight features of clouds and/or the horizon.  And the deep yellow to red
range gives you the opportunity to reduce haze and increase the depth.  

     And then there's the matter of vegetation.  The variety of green
filters available lets you fine tune the degree of emphasis in bringing out
fresh foliage, oftentimes letting you highlight veination.  For now, those
parts of the creativity pallete are gone or at least greatly diminished.


Chris



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