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Advice from the Pros
Bracketing
Mar 3, 2021 19:32:21   #
bdk Loc: Sanibel Fl.
 
If I am going to shoot landscape s this weekend , and convert it to B&W
would bracketing say +2 to -2 add anything to the photo . first run it thru photomatix then change to B&W in Photoshop
or change the pix in photoshop to BW then run photomatix
or would the result be the same as if I just got one great shot?

I was thinking i would get better detail using Bracketing
and better grey color variety

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Mar 3, 2021 20:14:48   #
rgrenaderphoto Loc: Hollywood, CA
 
I would leave Photomatix out of it entirely and do the HDR merge in Photoshop. Then do the B&W conversion.
In my experience, Photomatix is too blunt of a tool for HDR.

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Mar 4, 2021 11:49:05   #
DWU2 Loc: Phoenix Arizona area
 
I think Photomatix has some pretty good B&W presets, which can be further adjusted to your taste. Additionally, there are other user-developed presets. Some are garish, but others are pretty good.

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Mar 4, 2021 19:16:48   #
bdk Loc: Sanibel Fl.
 
the question remains, will bracketing create a better final image in Black and white?

Or do u feel it is wasting my time

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Mar 4, 2021 19:37:58   #
DWU2 Loc: Phoenix Arizona area
 
bdk wrote:
the question remains, will bracketing create a better final image in Black and white?

Or do u feel it is wasting my time


Set your camera for auto-bracketing and take groups of bracketed shots. Do some HDR B&W processing - see if you like it.

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Mar 5, 2021 15:36:11   #
Thomas902 Loc: Washington DC
 
"...Photomatix is too blunt of a tool for HDR..." A typical response from one who has yet to master Photomatix...
It is a bear to master with a very steep learning curve...

"...Set your camera for auto-bracketing and take groups of bracketed shots... Do some HDR B&W processing - see if you like it..." Wisdom from DWU2... UHH is likely not the best place to find authoritative knowledge... only opinions... most of which are uncorroborated i.e. useless...

Test both ways (repeatedly) only then will you have an viable answer to your query bdk...
fyi, I use both applications in conjunction with each other and my clients are pleased...
At the end of the day nothing else really matters... Beauty is in the eyes of the checkbook holder...

Albeit I only shoot fashion, portraiture and sports... Landscape is kind of for hobbyist... no viable revenue stream available... If it doesn't pay I'm not the slightest bit interested... yep pretty much a mercenary...

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Mar 8, 2021 19:26:30   #
E.L.. Shapiro Loc: Ottawa, Ontario Canada
 
Bracketing exposure is certainly not a waste of time nor is it an expensive procedure as it might have been in film photograhy.

Bracketing was born of film photograhy- there were several reasons. First of all as a backup. If a sheet of film or an individual frame on a roll became damaged in processing, even a slightly underexposed or over-exposed frame or sheet could still yield an image. Certain transparency films had little or no latitude so leave a precisely calculated exposure could be problematic. Oftentimes a slightly underexposed image had better colour saturation.

Practitioners of the zone system could make a series of exposures to enable variations in contrast and range that would be determined in the appropriate processing variations.

In digital photography, you often hear various exposure techniques as to exposing to the right and finalizing the image is post-processings. A variation ie exposure provides more options.

Bracketing is a good precaution to take, especially in difficult lig situations, sunsets, low light, high scene contrast, etc.

I know some folks that boast that they can hit the exact exposure in one shot but later came to regret not backing them up and making some variations.

Obviously, this can't apply to every type of situation where three is only a single opportunity to catch the action or a certain expression, but if you have time, such as in landscape work, why not.

As far as monochrome conversion, again wahy not bracket? There are many factors that can affect a monochromatic version of a colour image. Some variations are contrast, shadow detail or lack thereof, panchromatic rendition of certain colours that may blend causing lack of contrast or donation. Two complimentary colr that may contrast against each or can become the same shade of gray after conversion. Whenever possible, if black and white images are desired or required, I like to shoot in the monochrome mode, see the results,e and use a filter when necessary to provided good separation.

Most digital cameras have automatic bracketing features that can be adjusted as to how many stops in each direction. it's not a "crutch"- it's a good backup and a very good learning procedure. You will learn which exposure technique is best for your purposes.

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May 20, 2023 07:22:55   #
R.G. Loc: Scotland
 
bdk wrote:
.....I was thinking i would get better detail using Bracketing and better grey color variety


Yes. B&W is all about optimising contrast and bracketing will give you the best options. The shutter speeds of the brightest bracketed exposures will be the slowest so you need to keep an eye on them, especially if shooting hand-held. If you're shooting +2,0,-2, the +2 exposure will give you an exposure that's 4 times as long as that of the neutral (0) exposure. For +3 it will be 8 times as long.

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