Sony’s sensors are among the best in the best in the business. And while they put their best sensors in their flagship full-frame (and more expensive) cameras like the a7r iii and a7 iii, the sensors in the models further down the list, like the a6500, are pretty darn good too.
The Sony a6500 has an APS-C sized CMOS sensor that produces a 24.2 megapixels. The data from the sensor is then run through a BIONZ X image processor. It has an ISO range from 100 through 51200, but of that, 100 to 25600 is the normal range. Beyond that, you’re into the extended range that exceeds the hardware’s limits but where software takes over to boost things further. That range includes three steps: ISO 32000, 40000, and 51200.
Once you step into the extended range, things start to go downhill quickly. You can expect much more noise, much courser images, deteriorating color rendition, a narrower dynamic range, and generally harsher images. So for everyday shooting, it’s typically best to stick to the standard ISO range. But it’s nice to have the option to turn things up to 11 on a case by case basis if you really need the extra light sensitivity to make the difference between getting the shot or not (or if you’re shooting for black and white, which is more forgiving of these aspects).
About These Examples
Below are some high-ISO examples I’ve shot with the a6500. I’ve tried to include a range of different types of tones and lighting and detail.
All of these images were originally shot in RAW, so they’re not directly out of the camera. Like most cameras these days, the a6500 does have in-camera noise reduction. In this case, there are two types: long-exposure noise reduction and high ISO noise reduction. Those settings don’t affect RAW files, but they are applied to the JPG previews that are embedded in the RAW files. To get around that, all of these image below have been regenerated directly from the RAW data. If you want the best of both worlds and aren’t being skimpy on space on your SD card, you can have the camera save both the RAW and a JPG version simultaneously.
The RAW files were processed in Lightroom. I haven’t applied any extra noise reduction to these files.
More Examples at High ISOs
I’ve included the ISO used in the caption of each image, and you can click on a photo to open a full-size version for a closer look.
Side by Side
Here are a few short sequences of the same subject at different ISOs so that you can compare them side by side.
ISO Auto Min SS on the Sony a6500
Auto ISO is one of my favorite features of digital cameras. Back in the day, you had to choose an ISO, make sure you had the right film on hand, and then stick with that for the whole roll. And the ISO was basically a fixed part of the exposure triangle, at least until the end of the roll.1
With digital cameras, you can use a different ISO image to image. And with the advent of auto ISO, which is common on most new cameras, the camera’s own computer algorithm uses ISO as a completely fluid side of the exposure triangle, adjusting it automatically on the fly.
With the a6500, you have the option of using the Auto ISO on the standard setting. That’s a good default and is widely useful in many situations. It gives a good combination of minimum shutter speed and low ISO. But you can tweak it further, first with options for faster priority or slower priority, which are relative to the standard setting in 1 EV increments. But you can also set a specific shutter speed floor that the camera will try not to go below for stepping up the ISO. That’s especially helpful if you’re shooting moving subjects and need to favor faster shutter speeds. Same goes for reducing the risk of camera shake, something I run into in cold environments or when shooting from moving platforms like boats or trains. The a6500 has the option of setting that floor all the way up to 1/4000 sec or as slow as 30 seconds.
But one thing worth noting is that the Auto ISO won’t step into the extended range. For those higher ISO settings you’ll need to specify the ISO manually.
Where to Find the Sony a6500
Popular Accessories for the Sony a6500
Here are some popular accessories for the a6500.
- Battery Type: Li-ion / Voltage:7.4V / Capacity:1500mAh
- Replacement Sony NP-FW50 Li-ion Rechargeable Battery for Sony Alpha a6500, Alpha a6300, Alpha a6000,...
- The LCD 2.4GHz wireless remote control battery grip is tailored for Sony A6500 mirrorless digital camera;...
- Power Source: Work with 1 or 2 pieces NP-FW50 Li-ion battery; Provides more battery capacity for your...
- 【UPDATED VERSION】Customized cage is exclusively designed for Sony A6500 A6300. The cage leaves the...
- 【PERFECT PROTECTION】Secure tightly via the 1/4’’ screw on the bottom and M2.5 screw on the side,...
- UV filter (ultraviolet) for protection against dust, dirt, scratches, fingerprints and the sun's...
- Circular Polarizing Filter. Used to increase color saturation, like darkening blue skies so that white...
- 【All in One】 Get daily shooting occasions covered: using compact camera, light mirrorless camera,...
- 【Compact Design】 Unique locking pin and latch design to prevent the axis from swinging. Retreat, lock...
- Yes, it’s technically possible to change up ISOs between shots in film, and even go back and forth loading partial rolls of film, but neither of those are really practical for most shooters most of the time. ↩
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