Fuji FinePix F50fd Digital Camera Review
Read an expert independent digital camera review of the Fuji FinePix F50fd digital camera.
Every camera reproduces colors differently, from the shades of a blue sky to skin tones. Sometimes cameras oversaturate colors, making them more vibrant but less natural, or undersaturate colors, making them appear muted or dull. We test cameras’ color accuracy by photographing an industry standard GretagMacbeth ColorChecker test chart and comparing the colors the camera reproduces with the colors of the test chart. The ColorChecker is made up of 24 color tiles, representing colors that vary in both hue and saturation. The image below shows how well the Fuji F50fd*’s colors match up with the ideal colors. The outside squares show the colors the camera reproduces, the inside squares show the ideal color of the chart corrected for luminance, and the inner rectangles show the ideal chart colors under a perfectly even exposure.
As you can see in the image, a number of the F50*fd*’s colors stray from the ideal colors in both hue and saturation. In particular, notice how different the inside square is from the outside square in the yellow and blue tiles in the third row. The camera’s colors are quite undersaturated. The graph below shows this same information in a different way. The background of the graph shows the entire color spectrum. The ColorChecker’s colors are represented by squares and the camera’s colors by circles. The length of the lines connecting the squares and circles shows the amount of color error.
The white circle in the center of the chart indicates an almost perfect manual white balance, but the accuracy of the colors surrounding it is less than perfect. Blues and yellows are particularly inaccurate. Overall, there is a trend toward undersaturation, making colors appear muted and dull, as we saw in the image above. This will have a noticeable impact on your photos, such as a shot of a sunset. The sunset’s yellows will be considerably dulled, and blue sky will have a purple tinge. We’ve seen much worse color accuracy than this, but we’ve also seen much better.
With a whopping 12.1 megapixels, the Fuji F50*fd* is one of the least expensive 12-megapixel cameras released to date. We test camera resolution by photographing an industry standard resolution test chart at varied focal lengths, apertures, and shutter speeds. We then run the images through Imatest to determine the camera’s best possible resolution. Imatest measures resolution in units of line widths per picture height (lw/ph), which refer to the number of alternating black and white lines that can fit in the picture frame before becoming blurred.
Other high-resolution cameras we tested this year have been impressive, but the resolution of the Fuji F50*fd* is truly astounding. The camera resolves 2776 lw/ph horizontally with 6.6 percent oversharpening, and 2420 lw/ph vertically with 5.9 percent undersharpening. Not only are these the highest lw/ph values we’ve ever seen, but the sharpening levels are just right, so there isn’t much image artifacting. Clicking on the resolution chart photo above brings up the full resolution version, where you will notice that every line on the chart is sharply resolved, even the long, thin trumpets. The one problem with the F50*fd*’s resolution is that it isn’t maintained over the entire frame. As you can see in the image above, the right edge of the photo is blurred and shows signs of chromatic aberration. Photos taken with this camera will stand up to extensive cropping and enlarging, but beware of blurry edges. In terms of resolution, the F50*fd* is leagues ahead of any other point-and-shoot we have tested this year, including much pricier models such as the Canon PowerShot G9.
**Noise – Manual ISO ***(5.42) *
A drawback of increasing the amount of megapixels is more image noise. Image noise appears as sandy grains or splotchy patches, scattered randomly around a digital image. Noise becomes much more apparent in low light or at high ISO sensitivities. More megapixels packed on a sensor of the same size means the pixels are smaller, and smaller pixels lead to more noise. We test noise levels by photographing our test chart under bright studio lights at all ISO speeds a camera offers. We then run the photos through Imatest, which determines noise levels by the percentage of image detail the noise drowns out. The graph below shows the F50*fd*’s noise levels throughout its ISO range.
Noise levels are manageable at ISO 100, but images are very noisy above that. At ISO 800 and 1600, the noise is overwhelming. Close inspection reveals the noise is extremely splotchy and jagged, and contains random patches of purple, yellow, and blue. It is apparent in smooth tones at ISO speeds as low as 200 (see the still life images further down the page). Overall, the F50*fd* is slightly noisier than average, but significantly noisier than its predecessor, the F40*fd*. This shows the tradeoffs Fuji had to make when creating a high-resolution camera.
Noise – Auto ISO*(1.29) *
We also evaluate noise levels with cameras set to Auto ISO under the same bright studio lights. Under our studio lights, the F50*fd* chooses ISO 400, which results in a lot of noise and a poor Auto ISO score. This is a camera you will want to keep at ISO 100 as often as possible.
**White Balance ***(4.96) *
Every type of light source, from fluorescent lights to broad daylight, has a different color cast. The human eye automatically adjusts for this, and cameras must too. For cameras, this is called white balancing, and the Fuji F50*fd* has three methods for it: Auto white balance, white balance presets, and Manual white balance. Manual white balance is usually the most accurate, but requires the use of a white or gray card. We test cameras’ Auto white balance and presets by photographing the ColorChecker test chart under four types of light: flash, fluorescent, outdoor shade, and tungsten.
*Using the Auto setting, the camera does a mediocre job white balancing under fluorescent light, and a poor job under flash, outdoor shade, and tungsten. These results send a clear message: avoid using the F50fd*’s Auto white balance.
*Preset (6.09) *
The camera is quite accurate under fluorescent light (using the "Fluorescent 3" setting under our white fluorescent lights), and mediocre under outdoor shade and tungsten. The presets’ performance isn’t stellar, but it’s a lot better than using the Auto setting.
**Still Life Sequences
***Click to view the high resolution images.*
|Still Life Scene|
|ISO 100||*ISO 100*|
|*ISO 200*||ISO 200|
|ISO 400||ISO 400|
|*ISO 800*||*ISO 800*|
|*ISO 1600*||*ISO 1600*|
Low Light – 30 lux
The camera has extreme color error in low light, as well, in large part because it can’t properly expose at 30 lux. Noise levels are incredibly high. This isn’t a camera you’ll be able to use to take videos at night or in a dark nightclub.
We recorded footage of our resolution test chart at 1700 lux to test the Movie mode’s sharpness. The camera resolves 260 lw/ph horizontally with 21.9 percent undersharpening, and 343 lw/ph vertically with 15.8 percent undersharpening. These are mediocre numbers for a digital camera’s Movie mode. The crops below show how underexposed the footage is, as well as the ugly color cast.
We record footage of moving cars and pedestrians on the street to see how cameras render motion. The video of the F50*fd* has very jerky motion, streaky highlights, and terrible moiré problems. The Movie mode on this camera may be fun to fool around with, but does not have many practical uses.
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