Fujifilm X-Pro1 Review

 
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Fuji X-Pro1 Optics


The Fujifilm X-Pro1 isn't normally sold bundled with a lens, but we decided to test the Fujinon XF 35mm f/1.4 as a "kit" lens here. The same lens was also used for all our lab test shots elsewhere in this review.

35mm Prime Lens

Prime Lens
Excellent performance from the XF 35mm f/1.4 lens.

35mm, f/8

The Fuji X-Pro1's APS-C sensor has a crop factor of about 1.5x, giving the XF 35mm f/1.4 lens a 35mm equivalent focal length of about 53mm. Sharpness and contrast are excellent across the frame at f/8, with no signs of coma distortion in the corners and negligible chromatic aberration. A hint of flare is detectable around very bright objects, but it's really quite low at f/8. Excellent results here.

Macro
The Fuji X-Pro1 with XF 35mm lens captured a larger-than-average minium area, with good detail.

Macro, f/8

The X-Pro1 with XF 35mm lens captured a larger-than-average minimum area compared to most "kit" lenses, measuring 5.21 x 3.47 inches (132 x 88 millimeters) at its closest focus distance. Sharpness is quite good in the center, just a hint soft, and corners are slightly softer. (Most lenses have some softening in the corners at macro distances, but the XF 35mm lens did better than average here.) You'll likely want to invest in the XF 60mm f/2.4 Macro lens for any serious close-up photography, as the 35mm's maximum reproduction ratio is pretty low as you can see. (0.17x or 1:5.9 according to Fujifilm.)

Geometric Distortion
Very low distortion from the XF 35mm f/1.4 lens

Barrel distortion is just over 0.1 percent

The Fujinon XF 35mm f/1.4 lens produced just over 0.1 percent barrel distortion, which is very low and difficult to detect in most shots. We're not sure if the camera is applying any geometric distortion correction to its JPEGs, as the X-Pro1's RAW files are not supported by third-party RAW converters at the time of writing. This is the tendency for the lens to bend straight lines outward (like a barrel -- usually at wide-angle) or inward (like a pincushion -- usually at telephoto). A very good performance here.

Chromatic Aberration and Corner Softness
Very low chromatic aberration in JPEGs. Soft corners wide-open at f/1.4 as expected, but very good corner sharpness stopped-down to f/8.

In-Camera JPEG
f/1.4: Upper left
C.A.: Very low
Softness: Soft
f/1.4: Center
C.A.: Very low
Softness: Very sharp
f/8.0: Upper left
C.A.: Very low
Softness: Sharp
f/8.0: Center
C.A.: Very low
Softness: Very sharp

Chromatic Aberration. Chromatic aberration in the corners of JPEGs is very low and dull, and hardly noticeable. In the center, it was practically nonexistent. (This distortion is visible as a slight colored fringe around the objects at the edges of the field of view on the resolution target.) We suspect the X-Pro1's image processor is suppressing C.A., but we can't be sure since the usual third-party RAW converters we use don't support the X-Pro1's RAW files at time of writing, and the bundled converter may suppress C.A. automatically.

Corner Softness and Vignetting. The Fuji XF 35mm lens produced soft corners wide-open at f/1.4, though that's to be expected for such as fast (bright) lens. While corners are quite soft, it's partially due to a loss of contrast, as some pretty fine detail can still be made out in the targets. Any C.A. suppression the camera may be performing can cause high-contrast edges to become less defined in the corners, while corner shading also reduces overall contrast, contributing to the appearance of softness. The center of the image however is quite sharp and contrasty, which is remarkable at f/1.4. At f/8, corners are only slightly softer than the center, which is very sharp. Very good performance here. As mentioned above, some fairly minor corner shading ("Vignetting") is visible in JPEGs wide-open, as indicated by the dimmer corner crops. At f/8, vignetting is very low. We're not sure if the camera is doing any corner shading correction either.

Overall, though, an excellent lens. And fast, too.

Viewfinder Test Results

Accuracy
Very good accuracy from the electronic viewfinder and LCD monitor, though the hybrid optical viewfinder isn't accurate.

Electronic Viewfinder
LCD Monitor
Hybrid Optical Viewfinder
(before focusing)
Hybrid Optical Viewfinder
(shutter half-pressed)

The Fuji X-Pro1's electronic viewfinder and LCD proved quite accurate, both showing just under 100% coverage. The hybrid optical viewfinder's framing guides showed very poor coverage at just under 86%. It also had a substantial offset in both the horizontal and vertical directions (parallax error), and was sightly tilted. When the shutter button is half-pressed and the camera focuses, the framing lines shift in response to subject distance. Although alignment improved considerably, it was still offset somewhat horizontally and tilted. Coverage remained poor at about 86% with the shutter button half-pressed. That's much below average compared to SLR optical viewfinders which typically offer 95% coverage or better, and not as good as the 93% coverage the Fuji X100 managed.

 

The images above were taken from our standardized test shots. For a collection of more pictorial photos, see our Fujifilm X-Pro1 Photo Gallery.

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Note: For details, test results, and analysis of the many tests done with this camera, please click on the tabs at the beginning of the review or below.

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