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Shooting Photos at High ISOs with the Sony RX0 Miniature Camera

The Sony RX0 is a tiny but surprisingly powerful camera. Here's what I've found when shooting photos with it in the ISO 3200 to ISO 12800 range.

Sony RX0 High ISO Shooting

Categories: Adventure Cameras, Sample Images
Tags: Sony, Sony RX0
Last updated about 6 months ago // Originally published about 2 years ago

When I’m traveling, I like to take photos in low light. Whether it’s a smoky morning market, a quiet but pretty street at night, or the inside of a grandly decorated cathedral or mosque, there are plenty of times that the scene isn’t going toe picture-perfect bright sunshine. So one of the things I’m particularly interested in when testing out cameras is how they perform in low light. That generally comes down to a combination of lens speed (ie. maximum aperture), image stabilization, and high ISO performance.

Sony 1.0-type Sensor Ultra-Compact...
Sony 1.0-type Sensor Ultra-Compact...
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The Sony RX0 is an unconventional choice as a travel camera, and it’s not without some issues, but it’s also a surprisingly powerful camera. While it looks for all the world like a GoPro competitor, it’s waterproof, and it boasts an eclectic mix of high-end video features. Yet its pedigree is actually Sony’s DSC digital stills camera line rather than the separate camcorder and action camera lines. That shows in how the RX0 operates. In many ways, its more like a miniaturized addition to Sony’s impressive Alpha line of cameras than a GoPro.1

I’ve posted a more general collection of photos taken with the Sony RX0 separately. I’ve also been putting the RX0’s high-ISO capabilities to the test, and that’s what I’m focusing on here. While the camera’s sensor is small relative to a DSLR or many mirrorless cameras–all of which are much larger cameras–its 1-inch sensor is surprisingly large for a camera this tiny. Combined with Sony’s market-leading expertise with sensors–they make some of the best in the business–it promises very good image quality.

The RX0 has a minimum available ISO of 80, and its maximum is ISO 12800.1 I’m focusing here on the upper end, from ISO 3200 through ISO 12800. And these are with its still images; I’ll tackle video separately. I’ve included some real-world examples below to give a sense of how it performs.

In-Camera Noise Reduction

Like other Sony cameras, the RX0 has in-camera noise reduction, and it actually works quite well–it’s optimized for the unique characteristics of the camera’s sensor and processing engine. But if you plan on editing the images further, it can create problems if you try to work on files that have already had noise reduction applied. So I generally leave noise reduction to later stages of the processing and prefer to work with RAW. The in-camera noise reduction applies to JPGs and the JPG previews that are embedded in the RAW files, but it doesn’t apply to the underlying RAW file.

All of the images on this page were shot in RAW. So that we’re getting a better sense of the camera’s performance rather than just how aggressive the noise reduction software is with the embedded previews, the versions here are rendered from underlying RAW data and discard the previews generated in-camera.

They’ve been lightly processed in Lightroom, mostly bumping up the contrast a little, some white balance tweaks, and, with some, adding a little extra vibrancy. I’ve not added any extra noise reduction but have left the default Lightroom setting of 25 on the color noise slider; zeroing that out does have some pretty ugly results. But obviously, there’s a lot of room to further tweak the noise reduction results, whether in Lightroom’s built-in functionality with applying the luminosity slider or the built-in features of a different RAW processor, or with a dedicated noise reduction app like Noise Ninja or Dfine.

Side-by-Side ISO 6400 through 12800

Here are some side-by-side examples at ISO 6400 through ISO 12800. They were taken on a tripod so a to keep the scene consistent, although there’s obviously some movement in the clouds and water between shots. They were taken with the P setting with manual ISO settings using the mobile app to trigger.

You can click on each image to open a full-size version and use the link in each caption to download the original RAW (.arw) file.

Sony RX0 High ISO - ISO 6400

ISO 6400. Download original RAW version.

Sony RX0 High ISO - ISO 8000

ISO 8000. Download original RAW version.

Sony RX0 High ISO - ISO 10000

ISO 10000. Download original RAW version.

Sony RX0 High ISO - ISO 12800

ISO 12800. Download original RAW version.

Here’s another short series. These were taken hand-held, so the alignment isn’t perfect, but they’re useful to complement the shots above because they have more and different color tones.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 8000. Download original RAW version.

Sony RX0 High ISO Example

ISO 10000. Download original RAW version.

Sony RX0 High ISO Example

ISO 12800. Download original RAW version.

High-ISO Images Taken with the Sony RX0

You can click on each image for a full-resolution version and use the links in each caption to download the corresponding original RAW (.arw) version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 3200. Download original RAW version.

Sony RX0 Sample Image

Sony DSC-RX0 at ISO 6400 and ¹⁄₈₀ sec. Prime 24mm lens (35mm equivalent) at fixed aperture of ƒ/4. Download original RAW version

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

01 678x452 - Shooting Photos at High ISOs with the Sony RX0 Miniature Camera

ISO 3200. Download original RAW file.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 3200. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 3200. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

Sony RX0 High ISO Example

ISO 6400. Download original RAW version.

03 678x452 - Shooting Photos at High ISOs with the Sony RX0 Miniature Camera

ISO 3200. Download original RAW file.

02 678x452 - Shooting Photos at High ISOs with the Sony RX0 Miniature Camera

ISO 5000. Download original RAW file.

04 678x452 - Shooting Photos at High ISOs with the Sony RX0 Miniature Camera

ISO 6400. Download original RAW file.

Sony RX0 Sample Image

Sony DSC-RX0 at ISO 6400 and ¹⁄₁₅ sec. Prime 24mm lens (35mm equivalent) at fixed aperture of ƒ/4. Download original RAW version

How to Access the RX0’s Highest ISO Settings

If you use the Auto ISO setting on the camera, you’ll get a maximum ISO of 6400. If you want to access the one options above that–8000, 10000, and 128000–you need to select them manually. While Sony’s marketing specs say that there’s a way to adjust the maximum ISO ceiling used in the Auto ISO feature, that’s not true with the current firmware (v. 2.00)–but you can adjust the minimum shutter speed.

Final Thoughts

For such a tiny camera, the RX0 has remarkably good image quality. While still a small sensor, it’s nevertheless considerably larger than the sensors in similarly-sized miniature cameras. And that extends to its high-ISO photos. While it has nothing like the low-light performance of its full-frame siblings like the a7r iii and a7 iii, of course, it creates quite usable images all the way up to ISO 12800.

Up through ISO 3200, the results are excellent and I’m more than happy using images even at ISO 3200 in everyday shooting. Once you get beyond that, the noise grain, dynamic range, and color rendition start noticeably deteriorating, but it never really drops of a cliff like it can with some other cameras, even at ISO 12800. And that, in itself, is impressive, because even with cameras with larger APS-C sized sensors, the results above ISO 3200 can become problematic very quickly.

Something that would make the RX0 an even better performer in low-light conditions would be a faster lens; it has a relatively slow f/4 fixed-aperture. Bringing that down to f/2.8 or even faster would be a welcome improvement. (Somewhat related, it would also be nice to have longer exposures than the current limit of 1/4 second.)

Overall, I’m impressed with the RX0’s high-ISO performance without being blown away by it. The results are quite good, especially for a camera this tiny.

More on the RXO

I’ve posted a detailed hands-on review of the Sony RX0 here, as well as a larger collection of sample images at other ISOs.


  1. Obviously, there are also many differences with the Alpha line. Smaller sensor, fixed lens, etc. I’m referring more to its pedigree, menu system, and overall approach than specific features. ↩

  1. Sony’s marketing specs sheet says that the minimum ISO is 125, but either that has been changed in a firmware update is it’s just wrong. The minimum available with firmware v.2.0 is ISO 80. ↩

Images and product information from Amazon PA-API were last updated on 2021-01-10 at 04:59. 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.

By David Coleman
Instagram: @havecamerawilltraveldc

Last updated on July 14, 2020

Categories: Adventure Cameras, Sample Images
Tags: Sony, Sony RX0

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News & Deals

With the holidays fast approaching, there’s some great deals on photography gear and services available. I’ve put together a roundup of Black Friday and Cyber Monday 2020 Photography Deals. It’s a running list as new deals are announced, so be sure to check back.

Canon announces new EOS Rebel T8i DSLR. Canon has announced their new T8i DSLR. 24MP APS-C cropped CMOS sensor, 4K24 video, and updated image processing and detection systems. It’s available for preorder from B&H Photo.

New Firmware for the Ricoh GR III. Ricoh has release firmware v1.31 for the GR III. Release notes are: “Corrected — When shooting with the multiple exposure, in rare cases the live view may not display correctly. Improved stability for general performance.” You can download it here.

New Canon 1D X Mark III Pro DSLR Announced. Canon has announced their new flagship model of pro DSLR, the 1D X Mark III. They’re sticking with a 20.1MP CMOS sensor, but it’s a new and improved version and boasts an incredible native ISO range of ISO 100 to ISO 102400 and an extended range that goes up to a jaw-dropping ISO 819200. With revamped autofocus, a new image processor, and all sorts of other bells and whistles, it’s no wonder that Canon is billing it as “The Ultimate EOS.”

New Manfrotto Pro Rugged Memory Cards. Manfrotto, an Italian probably best known for their tripods and studio accessories, has launched a new Pro Rugged range of high-end SD, microSD, and CompactFlash cards. While they don’t have a huge selection of sizes and speeds, the cards are aiming for very fast cards that can put up with rugged demands. For instance, they claim that their V90 rated SD cards can withstand three times the force (20kg / 45 lbs) of a regular SD card. I’ve ordered some to run through my speed tests.

New Sony Alpha a7 firmware released. A firmware update for the Sony a7R IV now lets you control external Sony flashes from the camera’s own menu system. Up to 15 flashes in five groups can be controlled via the camera. It also applies to the a7R III and a7 III.

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