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Old 12th February 2014
brian1208 brian1208 is offline
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ISO3200 test shot

Its horribly wet, grey and miserable so I thought I would try a quick test shot at ISO3200 (following on a comment from Brian Vickers on the usable ISO range recently)

Nothing special as a subject, just a red grapefruit sat in a blue bowl in the kitchen

ISO3200 JPG file with 240mm, hand held, 1/13th sec SAF single shot wide open with the 75-300 mk2 on the EM-1



It always surprises me what is possible with this little camera
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Old 12th February 2014
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Re: ISO3200 test shot

As an additional bit of input, here is my little Robin, through the conservatory window (no way was I going out! )

ISO1600 at 300mm wide open for 1/125th sec hand-held

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Old 12th February 2014
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Re: ISO3200 test shot

OK, where's the noise? I recently shot a school play dress rehearsal at ISO 3200 to 10000 with the E-M5 and the files produce excellent 7x5 prints, which is all they want. I'm sure that A4 would be acceptable too, particularly down towards the ISO 3200 end.
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Old 12th February 2014
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Re: ISO3200 test shot

Quote:
OK, where's the noise?
If I look at the files in LR5.3 the images look quite "noisy" at 100% but when I take the file and put it into Imagenomic Noiseware Pro (my preferred noise reduction programme) it show that there is only minimal noise, so neither of these has had it applied.

When I sharpen these higher ISO images in LR5.3 I use the masking slider to reduce sharpening in the background but most of the time that's all I do
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Old 12th February 2014
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Re: ISO3200 test shot

Hi Brian, do you mind if I butt in here and offer some advise about LR5 and processing.
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Old 12th February 2014
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Re: ISO3200 test shot

Feel free Paul, I'm always willing to learn
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Old 12th February 2014
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Re: ISO3200 test shot

Thanks Brian

One of the problems with shooting jpeg is that noise reduction is applied in camera to all the image.

Now with bird photography especially like your robin image the background noise reduction also effects the feather detail which is so important.

Here in your image some fine feather detail has been sacrificed to reduce noise in the out of focus background and yet there is still noise present in the background even at only ISO 1600.

Now this test image (I would not have processed it had it not been for this post) was taken at ISO 3200 in raw in dull light with the E-M5.

It is also a very severe crop so everything including noise will be exaggerated!



First thing to do in LR5 is make your adjustments then go to 100% view on the bird and adjust sharpening and noise so there is still good feather detail, now this will result in a lot more noise in the out of focus background that is not pleasing to the eye but worry not.

Now use the adjustment brush set to noise reduction and paint out the background like thus.


Now turn off the masking overlay if you have it on and fine tune the adjustment brush sliders to reduce noise in the background, I find as well as noise reduction also adding a little negative clarity helps.

Finished image with plenty of fine feather detail and a not so noisy background.

This actually only took me two minutes to do in LR5 but a lot longer to explain.

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Old 12th February 2014
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Re: ISO3200 test shot

a good tutorial Paul , I was aware of the adjustment brush and do indeed use the technique for my commercial images but was showing how even with the quick and dirty processing the higher ISO's are quite useable

(Shooting through unwashed double glazing on a rainy day tends to take out some of the detail of the Robin too! )
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Old 12th February 2014
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Re: ISO3200 test shot

Lol no problem...Just call me a control freak as I like to have complete control even over my snaps.
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Old 12th February 2014
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Re: ISO3200 test shot

I know the feeling and have had to break myself of that as I am shooting anything up to 2000 shots per session at the moment

(just got back from an hour on Avon beach and have reduced 2,300 down to 1700 shots so far, so quick and dirty has to be the base case - especially as I promised the 3 lads who were out putting on a show on their sailboards I'd have a few of the best up tonight on my site )
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Old 12th February 2014
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Re: ISO3200 test shot

Quote:
Originally Posted by brian1208 View Post
I know the feeling and have had to break myself of that as I am shooting anything up to 2000 shots per session at the moment

(just got back from an hour on Avon beach and have reduced 2,300 down to 1700 shots so far, so quick and dirty has to be the base case - especially as I promised the 3 lads who were out putting on a show on their sailboards I'd have a few of the best up tonight on my site )
Off-topic, but.....

...how many batteries do you get through, Brian? I reckon on about 250ish per charge so 2,300 shots would require a small briefcase load!

John
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Old 12th February 2014
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Re: ISO3200 test shot

Great tutorial Paul.
2000 shots per session Brian wow that takes some doing. I've only managed to take just over that many in 4 months
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Old 12th February 2014
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Re: ISO3200 test shot

Great tip for noise reduction.
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Old 12th February 2014
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Re: ISO3200 test shot

Shooting sequentially the way I do, with the camera setting reduced to "minimal DSLR mode" (EVF only, not instant review, minimal chimping etc) I get over 1000 shots / charge, today I used 1 full charge and most of the 2nd battery so I must have been around 1300 shots / battery

(I get much less if I'm shooting single frame with repeated refocus / chimping and can bring it down to around 350 / charge)
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Old 12th February 2014
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Re: ISO3200 test shot

Thanks for posting this Brian and Paul for the tutorial...I've learnt something today!
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