Sony a6400 ISO Range Sample Images

Here are some practical examples of photos shot throughout the Sony a6400's ISO range from ISO 100 through ISO 102400.
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I’ve recently been out shooting with the new Sony a6400 mirrorless camera. This is the latest in the smaller APS-C cropped mirrorless cameras in the Sony Alpha range (they also have full-frame cameras in the Alpha range, such as the a7r III).

It has a 24.2 MP APS-C Exmor CMOS sensor and Sony’s BIONZ X on-board image processor. What I’m focusing on here is the stills performance through the ISO range, which goes from ISO 100 to a whopping ISO 102400.

Native ISO vs Extended ISO

But that’s not to say that all of that ISO range is equal. The Sony a6400 has an ISO range from 100 through 102400. Not all of that is “true” ISO range–also known as native ISO range–that’s down to the responsiveness of the sensor itself. The native ISO range is 100 through 32000.

To get above that, you need to tap into the extended ISO range, where the where software takes over to boost the signal and cleans up the image.

In practice, the performance in the native ISO range is much better than in the extended range. But even within the native ISO, as you move higher you start getting more noise/grain, less dynamic range, and less accurate color rendition. Once you get into the extended range, those flaws become much more noticeable more quickly. Which makes these very high ISOs more like break-the-glass options than for everyday shooting. But if you are going up to those very high ISOs, you’ll probably get better results when shooting JPG. That’s because the camera’s built-in processor is optimized to deal with the specific characteristics of the images produced by this camera. You might well be able to get similar results yourself using other apps, but it’s likely to involve a fair amount of processing and tweaking.

ISO Range Examples

Here’s a couple of sets of images I shot with the a6400 throughout the ISO range to illustrate the ISO performance. The first set was shot using a tripod; the second was shot hand-held.

Both were shot in Aperture priority mode, with only the ISO being adjusted between each shot and the camera recalculating the exposure each time to provide some relative consistency.

There are a few things to note about displaying the images. These were all shot in RAW + JPG. When shooting JPG, the camera automatically processes the images in-camera, and with higher ISO images, that includes noise reduction that’s geared specifically to this camera’s capabilities. So, by default, the JPGs include noise reduction.

When shooting RAW, that noise reduction is also applied by default to them embedded JPG previews but doesn’t affect the underlying RAW data. For all of these, I’ve had Lightroom regenerate the preview from the RAW data, which means that you’re not seeing the camera’s noise reduction applied. I have left Lightroom’s default sharpening on (40, 1.0, 25, 0), which has a relatively light touch.

There are a few ways to get a closer look. To see a full-size JPG generated from the RAW files, click on each image. You can also see the camera-processed JPG versions and the unadulterated RAW versions by clicking on the links to the originals of those in the caption under each image. Each RAW file is about 25MB and each JPG about 4 to 11 megabytes in filesize, give or take.

ISO Example Photos Set #1

Sony a6400 ISO Range Sample Image 1
ISO 100. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 125. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 160. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 200. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 250. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 320. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 400. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 500. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 640. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 800. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 1000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 1250. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 1600. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 2000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 2500. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 3200. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 4000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 5000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 6400. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 8000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 10000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 12800. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 16000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 20000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 25600. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 32000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 40000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 51200. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 64000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 80000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 1
ISO 102400. Download original RAW file | Download original JPG

ISO Example Photos Set #2

This set starts higher up in the range. These were shot hand-held, which is why there’s some slight misalignment between them.

Sony a6400 ISO Range Sample Image 2
ISO 3200. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 4000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 5000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 6400. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 8000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 10000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 12800. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 16000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 20000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 25600. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 32000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 40000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 51200. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 64000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 80000. Download original RAW file | Download original JPG
Sony a6400 ISO Range Sample Image 2
ISO 102400. Download original RAW file | Download original JPG

Where to Find the Sony a6400

You can find the Sony a6400 at Amazon and B&H Photo.

It’s available in a few different configurations, ranging from body only to bundled with either a 16-50mm zoom lens or a 18-135mm zoom lens. You can also find good deals that include a bunch of accessories.

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Images and product information from Amazon PA-API were last updated on 2021-09-22 at 11:39. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon Site at the time of purchase will apply to the purchase of this product.

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