Hoya R72 vs B+W 092


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deadpixel

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My 77mm R72 came in a week ago but I've just finally had some time to do a couple of comparative shots between the two. I found that the B+W filter lets in a fair bit more visible light and color, changing the overall feel of the photos. Another observation is that the R72 gives more consistant results with most scenes whereas the B+W wasn't suitable in some instances. I'm not sure which one I like more but find that I'm leaning towards the R72 as it works better for black and white IR as well as the color overlay IR that I often do.

Here are four photos I recently took. Which ones do you prefer?

#1 - Hoya R72

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#2 - B+W 092

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#3 - Hoya R72

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#4 - B+W 092

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Cheers
 

i like number 3. ;)
 

Maybe I have been looking at IR shots done with the R72 too much. But I seem to like the shots you did with the B+W 092 more. It has a nicer blues to the sky than the R72 which I feel is bit more dull.

Looks like the B+W 092 give almost similar results as the Cokin P007. The P007 also allows more visible light to pass through than the R72.

I like the sky tone in #2. But #4, why does it look so much more under in the foreground?
 

teerex said:
Maybe I have been looking at IR shots done with the R72 too much. But I seem to like the shots you did with the B+W 092 more. It has a nicer blues to the sky than the R72 which I feel is bit more dull.

Looks like the B+W 092 give almost similar results as the Cokin P007. The P007 also allows more visible light to pass through than the R72.

I like the sky tone in #2. But #4, why does it look so much more under in the foreground?
Thanks Teerex,

Yep, the B+W gives images that are very close to the Cokin P007. Thing is that although both are marked as R72 compatible, their transmissions begin at 650+ nm, allowing for a lot of red and some orange to pass through. The result is that when we do a R/B channel switch and reds become blue, we get very deep blue because of the amount of visible red that comes in. :bigeyes:

#2 seems to be the one most people go for. So far only one person I've shown the prints to went for #1.

About #4, I'm not too sure why the rocks in the foreground are so much darker. I'm guessing that it might have been a passing cloud :bsmilie:. I was so engrossed in switching CWB photos that I might have overlooked the cloud. Or I might have been brain damaged by the sun ... forgot my cap that day. :sweat:

Cheers
 

Looking at #3 and #4 I personally prefer #3 (R72) as #4 has too much of a "blue/magenta" cast over it - refer to the colour of the rocks, looks a bit under exposed as well ....

I am not sure of the post-processing steps but wonder if the results will differ if :
(a) Try to post-process #3 with a stronger blue/magenta cast ...
(b) Try to post-process #4 removing the blue/magenta cast

Agree with teerex that the B+W 092 looks like the Cokin, would also add that the 2x ELP has very similiar effect as well (let's in more visible light).

Thanks for the comparison .... :)
 

eawtan said:
Looking at #3 and #4 I personally prefer #3 (R72) as #4 has too much of a "blue/magenta" cast over it - refer to the colour of the rocks, looks a bit under exposed as well ....

I am not sure of the post-processing steps but wonder if the results will differ if :
(a) Try to post-process #3 with a stronger blue/magenta cast ...
(b) Try to post-process #4 removing the blue/magenta cast

Agree with teerex that the B+W 092 looks like the Cokin, would also add that the 2x ELP has very similiar effect as well (let's in more visible light).

Thanks for the comparison .... :)
Hi eawtan,

Thanks for the tips. I did try the pp methods you suggested when I was working on the shot and this is the strange thing... I just opened the original posted file on my computer and comparing it and the photo on PBase side-by-side, I realise that they look completely different?!? :bigeyes:

My original pp photo looks bright and evenly exposed but the one on PBase is dark and under in the foreground. I'm really puzzled. :confused: I'm sure they are the same image as they both have my sig on them and they are the only one. I'm wondering whether PBase's compression may have caused it or is it the color space I'm working with though I doubt that because the other shots are ok? :think:

Will try re-posting it to see if it happens again.

Cheers
 

my personal preference will be #1. #2 too "colorful" liao, #3 & 4 got hotspot ;p
 

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