Fujifilm FinePix HS20 EXR Ken McMahon, October 2011
 
 

Fujfilm FinePix HS20 EXR Program mode vs Resolution Priority EXR vs High ISO & Low Noise EXR

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  Fujifilm FinePix HS20 EXR
1 FinePix HS20 EXR Resolution
2 FinePix HS20 EXR Noise
3 FinePix HS20 EXR Noise Reduction
4 FinePix HS20 EXR Sample images

To compare the noise performance of the FujiFilm FinePix HS20 EXR in its EXR modes we shot this scene with the camera in Program exposure mode and two of its EXR modes - Resolution Priority (HR) and High ISO and Low Noise (SN).

For these tests the camera was mounted on a tripod and image stabilisation was turned off. The lens was zoomed in to 5mm to match the angle of view used for the High ISO noise tests. The FinePix HS20 EXR was set to its largest 16 Megapixel image size with image quality set to Fine. However, in SN EXR mode the image size is automatically reduced to 8 Megapixels. The sensitivity was selected manually at each available ISO setting.


The above shot was taken with the the Fujifilm FinePix HS20 EXR in Program auto mode. The lens was zoomed in a little to a focal length of 5mm (28mm equivalent), the sensitivity was set to 100 ISO and the exposure was 1/2 a second at f3.2. The crops are taken from the area marked with the red square and presented below at 100%.

The purpose of Resolution Priority EXR (HR) mode is to produce the best possible results at the full 16 Megapixel resolution of the EXR sensor in good lighting conditions, so we were interested to see how it compares with Program mode at the lower ISO settings here - the maximum available sensitivity in HR mode is 800 ISO. At 100 and 200 ISO there's definitely more detail in the crops, but they look a little bit grainier too. At 400 and 800 ISO you're probably better off with Program mode but, at the lower sensitivity settings, there's some evidence here that HR mode could be worth trying if you want to capture the maximum amount of detail possible.

SN EXR mode combines multiple photosites to produce a single image pixel. This improves the light-gathering capacity and, in theory, improves the noise performance, but at the cost of halving the maximum image resolution to 8 Megapixels. So how does it measure up in practice? Well, there's a huge improvement in the noise quality of the SN crops, clear evidence that Fujifilm's EXR SN mode really works. There are two obvious drawbacks - the 8 Megapixel maximum resolution and the 1600 ISO upper sensitivity limit (for manually selected ISO settings, though there is an auto setting with an upper limit of 3200 ISO). But if you don't plan on making big prints and there's enough light to work at 1600 ISO or lower, there's every reason to switch to SN EXR mode for cleaner images with more detail and significantly less noise.

Now head over to our Fujifilm FinePix HS20 EXR sample images to see some more real-life shots in a variety of conditions.


Finepix HS20 EXR
Program mode
 
Finepix HS20 EXR
Resolution Priority EXR mode
 
Finepix HS20 EXR
High ISO & Low Noise EXR mode
100 ISO
100 ISO
100 ISO
200 ISO
200 ISO
200 ISO
400 ISO
400 ISO
400 ISO
800 ISO
800 ISO
800 ISO
1600 ISO
1600 ISO Not available
1600 ISO
3200 ISO
3200 ISO Not available
3200 ISO Not available
6400 ISO (8M)
6400 ISO Not available
6400 ISO Not available
12800 ISO (4M)
12800 ISO Not available
12800 ISO Not available

Fujifilm FinePix HS20 EXR results : Real-life resolution / High ISO Noise / EXR Noise Reduction



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