How much ISO noise is normal on a Nikon D5200, and what ISO is acceptable for 4×6 or A4 prints?
Asked 7/31/2013
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I'm new to DSLRs and have been shooting JPEG on a Nikon D5200, often in low light without flash, using ISO 1000–4000. When I zoom in on the images on my computer, I see noticeable grain/noise and some loss of clarity. Is that normal on a 24MP camera? For typical print sizes like 4×6 or A4, what ISO range is usually still acceptable, and are there better ways to manage noise?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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This is indeed completely normal. To take your film knowledge, think, roughly, of zooming in on your image on screen as printing a 35mm film frame at 62"×42" (twice the size of A0, or "2A0") and looking at it from the same distance you are from your monitor.
So, seeing noise (which is different from film grain, but similar in effect) is completely normal. Your pickiness level will indicate exactly what amount you can tolerate, but my guess is that the ISO 1000 noise is virtually gone at 4×6 or A4 print sizes, and that 4000 looks pretty decent too.
Originally by user1943. Source · Licensed CC BY-SA 4.0
user1943
13y ago
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Generated from our catalog & community — verify before relying on it.
Yes — that’s normal. Viewing a 24MP image zoomed in on a monitor is like inspecting a very large print from very close up, so noise and slight softness become much more visible than they will in a small print.
For 4×6 and even A4 prints, ISO 1000 will usually look fine, and ISO 4000 can still look quite decent depending on the scene and your tolerance for noise. Print size and viewing distance matter a lot more than pixel-peeping at high zoom.
A few practical tips:
- Don’t judge image quality by zooming past 100% on screen.
- Shoot RAW instead of JPEG when possible; RAW gives you much better control over noise reduction and detail when processing.
- Expose correctly, or slightly to the bright side without clipping highlights. Underexposed images that are brightened later often show more noise than properly exposed high-ISO shots.
- If you need very clean indoor photos, use flash when appropriate.
So: yes, some visible noise at ISO 1000–4000 is expected, and it will usually be much less noticeable in normal-sized prints than on a zoomed-in monitor view.
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