Comments on: How to Avoid and Reduce Noise in Your Photos (A Practical Guide)

By: Mauro Gonzaga

Mauro Gonzaga — Wed, 08 Dec 2021 19:49:11 +0000

I did a comparative test using a Nikon D7200 in long exposure (2 minutes), a photo with camera noise reduction, and another photo with Lightroom noise reduction. I compared the two photos and found that the camera’s noise reduction feature significantly affects the sharpness of the image, more than in Lightroom. The photo processed in Lightroom had a better sharpness result, as well as a great noise reduction result.

By: Mohammad Reza

Mohammad Reza — Tue, 27 Jul 2021 17:06:20 +0000

In reply to Tim Lowe. god tip

By: Pkurhi Euyr

Pkurhi Euyr — Wed, 03 Feb 2021 13:45:18 +0000

To make a very long story short… A night wild life photographer (don’t recall the name) produced some incredible night shots at ISO 35,000 to ISO 60,000. It took me some time to understand that those were JPGs from the camera (D850). I took some pictures in both RAW and JPG at 30,000 to 120,000. I know PS for about 20 years and C1 for about 10 years. For about one hour of work on each RAW I was not able to obtain results that were comparable with JPG right from the camera (as opposed to low ISO where my results way better). My learnt lesson is this: under ISO 3200 use RAW, over ISO 6400 use both RAW and ISO and decide later based upon results. Due diligence: JPGs are not perfect and look different in many ways, but are over all better than what I can process at HIGH ISO.

By: Stabilus

Stabilus — Mon, 14 Dec 2020 11:36:58 +0000

Many good points made! One additional: Resolution.

The problem:
So you shoot RAW and expose to the right (to give the shadows as much room as possible). In camera noise reduction does not work (Canon) when you shoot RAW (only usable for JPG/HEIF), so you apply noise reduction in post (as discussed by the article). When you’re done, you notice that resolution of noise reduced image is (much) lower than in a ISO 100 picture. Lightroom shows you the nasty smear-focused details at a 100% crop. If you were to publish this 12800 ISO noise reduced picture on shutterstock, you would get instantly rejected. Why? Because Shutterstock does the same thing: they zoom in to 100% and review the dark spots in your picture – and instantly see the nasties.

Remedy:
Export the picture from LR at a smaller resolution. Try 75% or even 50% of the original size. Reduce resolution up to the very point where resolution only shows smears. The noise reduced picture does not contain information for a 100% size and blown up to 100%, it looks bad. .So, simply export the resolution the image still contains good information for. If you now publish that picture to shutterstock, you can’t claim ultra high resolution anymore, but at least, the resolution you provide looks great – and gets accepted.

Example:
Shot with Canon R5, RAW, resolution: 8192 x 5464 at ISO 12800
NR luminance: 78 results in a practically noiseless picture at 100%. Of course, details are smeared.
Export at 80% picture size, 300 DPI, 100% JPG quality, results in a 6553×4371 image the resolution of which at a100% crop is still insufficient.
Exported at 50%, there is still some unexplained fuzziness.
But exported at 25% (2048 x 1366) the picture looks tack sharp at a 100% crop. So you can use it perfectly well for a website or a 6×4″ print.

High ISO reduces resolution. Accept it and use the remaining resolution at its appropriate size.

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By: lisa dorenfest

lisa dorenfest — Wed, 13 Sep 2017 05:53:00 +0000

Transformational article! Thank you so much!

By: christy latham

christy latham — Tue, 11 Apr 2017 10:03:00 +0000

Image noise originates from either the camera sensor or the sensitivity of the camera sensor, or sometimes both. So to avoid the noise you can try Best noise reduction software and make your image perfect without noise.

By: Wesam

Wesam — Mon, 03 Oct 2016 03:17:00 +0000

And i will add another tip to the list: Use a camera with less than average pixel count.

By: Bijunarayanan Palakkad

Bijunarayanan Palakkad — Sat, 29 Nov 2014 13:22:00 +0000

Thank you Dear

By: barryjbrady

barryjbrady — Wed, 15 Oct 2014 03:34:00 +0000

In reply to jessica heckinger nowak. Yep Jessica, it works pretty well, especially on a D810 with such a great sensor. You will find that your shot will retain a lot of detail and you will be able to get much more out of it. If you shoot on RAW, you will get even more flexibility in post production.