Review First Posted: 11/08/2004, Updated: 03/12/2005
MSRP $1,000 US
Digital Cameras - Olympus EVOLT E300 Test Images
I've begun including links in our reviews to a Thumbnail
index page for the test shots. The data on this page includes a host
of information on the images, including shutter speed, ISO setting, compression
setting, etc. Rather than clutter the page below with all that detail,
we're posting the thumbnail index so only those interested in the information
need wade through it!
"Sunlit" Portrait: (This is my new "Outdoor" Portrait test - read more about
it here.)
High resolution and strong detail, with nearly accurate color. Contrast
is slightly high, but pretty good detail in the highlights and shadows.
The extreme tonal range of this image makes it a tough shot for many
digital cameras, which is precisely why I set it up this way, and why
I shoot it with no fill flash or reflector to open the shadows. The object
is to hold both highlight and shadow detail without producing a "flat"
picture with muddy colors, and the EVOLT E300 performed well here.
The shot at right was taken with a +1.0 EV exposure
compensation adjustment, which is just about average. This exposure
left the midtones just slightly darker than I'd normally prefer, but the
highlight detail was excellent. I settled on the E300's Auto
white balance setting for the main series, though the camera's Daylight
and Manual settings produced similar, nearly
accurate color balances. I also shot with the camera's 4,800
Kelvin white balance setting, which in some ways looked a little better
to me, but produced rather bluish-looking white values.
Marti's skin tones look very good here, although the blue flowers in
the bouquet are dark and purplish. (Many digital cameras have trouble
with this blue, which is in reality a fairly pure light navy.) Color looks
good in the rest of the flower bouquet, with pretty good saturation as
well. Resolution is very high, and detail is excellent in Marti's features,
the flower bouquet, and even in the fabric background. Shadow detail is
good, and image noise is low.
To view the entire exposure series from zero to +1.7 EV, see files E3OUTAP0.HTM
through E3OUTAP5.HTM on the thumbnail index page.
Contrast Series: The E-300's contrast adjustment was very effective, doing a good job
of taming the very harsh lighting of this shot.
Exceptional detail (slight back-focus though), good tonality given
the harsh lighting.
Although the contrast is still a little high from the deliberately harsh
lighting, the E-300's contrast setting did a good job of controlling the
situation, set to its lowest value. The E-300 required more positive exposure
compensation here (+1.0 EV) than this shot normally requires, but the
resulting image looks pretty good. The camera captures exceptional detail
here, but it appears that the lens back-focused slightly, as some parts
of Marti's face are a little soft, and the plane of sharpest focus apepars
to be somewhere around the middle of her head, judging from hair detail.
To view the exposure series from zero to +1.7 EV (note that the +0.3
and +0.7 EV examples were left out, to save server space), see files E30OUTFACAP0.HTM
through E30OUTFACAP5.HTM on the thumbnail index page.
Slight underexposure with the flash in the normal setting, though
good exposure and color with the Slow-Sync mode (despite a slight orange
cast).
The E300's built-in flash illuminated the subject fairly well with a
+0.7 EV exposure compensation adjustment,
but the default exposure proved slightly dark.
The color balance is slightly cool, and Marti's skin tone is a little
cool and magenta. Though dark, colors in the flower bouquet looks pretty
good, even if the blue flowers are a little dark and purplish. The camera's
Slow-Sync flash setting produced better results,
with more even lighting from the longer shutter speed and a more natural
color balance. Though the background incandescent lighting resulted in
an orange cast, the results were still more appealing. I again found the
best results with a +0.7 EV exposure compensation adjustment.
To view the entire exposure series from zero to +1.3 EV in the normal
flash mode, see files E300INFP0.HTM through E300INFP4.HTM on the thumbnail
index page.
To view the same exposure series in the Slow-Sync flash mode, see files
E300INFSP0.HTM through E300INFSP4.HTM on the thumbnail
index page.
Slight color casts with each white balance setting tested, higher
than average exposure compensation required.
This shot is always a very tough test of a camera's white balance capability,
given the strong, yellowish color cast of the household incandescent bulbs
used for the lighting, and the E300 did produce slight color casts with
each setting I tried. The E300's Manual white
balance setting produced the best results here, though overall color is
slightly greenish. The Auto setting resulted
in a warm cast, while the Incandescent setting
resulted in a slight pink tint. I also shot with the 2,700
Kelvin setting, which resulted in a cool, magenta cast. (2800 or 2900K
would have been better, but it's very good news that the eVolt's Kelvin
white balance extends this far down the scale. - Most cameras, even d-SLRs
don't go down far enough to handle household incandescent lighting.) With
the Manual white balance, Marti's skin tone looks pretty good, though
the blue flowers are very purplish (almost to be expected with this shot).
The main shot was taken with a +1.3 EV exposure compensation adjustment,
which is higher than average.
To view the entire exposure series from zero to +1.3 EV, see files E300INMP0.HTM
through E300INMP4.HTM on the thumbnail index page.
ISO Series:
Noise in the E300's images is generally slightly higher than in competing
digital SLRs (I compared these images with ones from the Canon Digital
Rebel and Nikon D70), but not as much higher as I would have expected,
given the significantly smaller sensor size and increased pixel count.
Even at ISO 400, noise is very low and subject detail very strong. At
ISO 800, noise increases quite a bit, and takes another significant step
upward at ISO 1600. The good news though, is that the grain pattern of
the noise is fairly small and tight, and Olympus also thankfully doesn't
smudge-out the subject detail in an attempt to knock down the noise.
Warm color and a slightly dark exposure, but very high resolution
and strong detail.
Despite a slight warm, reddish cast, I chose the E300's Auto
setting as the most accurate overall, based on the white value of the
house trim. The Daylight setting resulted
in a stronger warm cast, while the Manual
setting produced cooler results. Consistent with other shots where a prominent
highlight (the white paint on the bay window) occupies a fairly small
portion of the total frame, the exposure is slightly dark with the default
setting. Resolution is very high, and detail is strong in the tree limbs,
front shrubbery, and house front. (Note that cameras like the EVOLT E300
are capable of picking up more detail than the poster has in it, even
though it was created from a 4x5-inch negative shot with a tack sharp
lens.)
High resolution and strong detail, but a dark exposure. Fairly good
dynamic range, however.
This image is shot at infinity to test far-field
lens performance. NOTE that this image cannot be directly compared to
the other "house" shot, which is a poster, shot in the studio.
The rendering of detail in the poster will be very different than in this
shot, and color values (and even the presence or absence of leaves on
the trees!) will vary in this subject as the seasons progress. In general
though, you can evaluate detail in the bricks, shingles and window detail,
and in the tree branches against the sky. Compression artifacts are most
likely to show in the trim along the edge of the roof, in the bricks,
or in the relatively "flat" areas in the windows.
This is my ultimate "resolution shot,"
given the infinite range of detail in a natural scene like this, and the
E300 performed well in this regard. The leaf patterns and tree bark in
the front shrubbery and in the tree limbs above the roof show a lot of
fine detail, as do the brick pattern on the house front and the dangling
"icicle" Christmas lights. Details are well-defined, though
they appear slightly soft overall. The camera captures a moderate amount
of detail in the bright white paint surrounding the bay window, which
is a trouble spot for many digital cameras. Detail is also moderate in
the shadow area above the front door, and the overall exposure is dark.
This shot shows an exposure problem we consistently experienced with
the eVolt, namely that it tended to over-react to strong highlights in
images, even when those highlights occupied relatively small portions
of the total frame area. It seemed to try to always preserve detail in
the highlights, even if doing so resulted in a significant underexposure
of the image as a whole. Many pros would prefer this sort of exposure
bias, as it insures that important highlight detail won't be lost accidentally,
and pros are accustomed to adjusting tonal balance on every shot anyway.
Most amateurs will find this tendency annoying, as it means that a lot
of shots will end up underexposed and require either post processing or
a fair bit of fiddling with the exposure compensation controls to correct
for it at the time of capture. In shooting with the eVolt under a wide
variety of conditions, we also found this effect to be somewhat unpredictable,
as we often weren't able to reliably guess how the camera would respond
to scenes with varying amounts of strong highlight in them.
The table below shows a standard resolution and
quality series, followed by ISO, sharpness, contrast, saturation, gradation,
and color effects series.
Sharpness Series: The E-300's in-camera sharpening works quite well. The lowest setting
produces images that take strong/tight unsharp masking in Adobe Photoshop
very well (try 0.4 pixel radius, 300%), the highest setting would match
the needs of inkjet printing quite well, and the default is a good compromise
between the two.
Gradation Series: This is quite interesting. "High Key" does a lot to mitigate
the effect of the exposure system's overly sensitive reaction to strong
highlights, but it would be helpful to have two more steps in this scale,
giving a smaller step size across the same total range.
I routinely shoot this series of images to show the field of view for
each camera, with the lens at full wide angle, at maximum telephoto, and
at full telephoto with the digital zoom enabled. However, the E300 features
an interchangeable lens mount, which accommodates the range of ZUIKO lenses
from Olympus, so "zoom ratio" doesn't really apply to it. Most
users will initially purchase the camera with the 14-45mm "kit"
lens though, so I shot the following with that lens as an example of its
coverage. Allowing for the eVolt's 2x focal length multiplier ratio, this
lens corresponds to a 28-90mm lens on a 35mm camera, a pretty good wide
angle to a modest telephoto. Following are the results at each zoom setting.
Warm color, but high resolution and strong detail.
This shot is often a tough test for digital cameras, as the abundance
of blue in the composition frequently tricks white balance systems into
producing a warm color balance. Both the E300's Auto
and Daylight settings produced warm, slightly
red color balances, while the Manual setting
produced a cooler, more magenta cast. I preferred the warmer skin tones
of the Auto and Daylight settings, so I stuck with Auto for the main shot.
The warm cast creates strong purplish tints in the blue background and
robe. Resolution is very high, and detail is strong in the models' accessories
and instruments. The embroidered bird wings on the blue robe also show
a lot of fine detail. (The original data file for this poster was only
20MB though, so cameras like the E300 are capable of showing more detail
than the poster has in it.)
About average macro performance with the "kit" lens, but
high resolution. The flash throttled down a bit too much, likely fooled
by a reflection from the brooch.
The 14-45mm "kit" lens that's bundled with the E-300 turned
in about an average performance in the macro category, capturing a minimum
area of 4.39 x 3.30 inches (112 x 84 millimeters). Color is pink from
the Auto white balance setting, but resolution is very high, showing a
lot of fine detail in the dollar bill, coins, and brooch. Details are
softer on the coins and brooch due to the close shooting range, however.
Details soften toward the corners of the frame, but are fairly sharp on
the dollar bill. (Most digital cameras produce images with soft corners
when shooting in their Macro modes.) The E300's flash
throttled down a little too well for the macro area, as the exposure is
slightly dark, despite a bright reflection on the brooch.
Slight magenta color cast and slightly underexposed, but still pretty
good results overall.
Though the large white color block and mini-resolution target are slightly
magenta, the E300's Manual white balance setting
produced the best results here, as the Auto
and Daylight settings were both warm. Exposure
looks good, just a slight bit underexposed, and the E300 distinguishes
the subtle tonal variations of the Q60 target well. Aside from the magenta
color cast, the large color blocks look good, although the cyan is shifted
toward blue, the blues toward purple a bit, and the yellow block is a
bit undersaturated. The shadow area of the charcoal briquettes shows good
detail, with moderately low noise.
Now, for the REAL technoids, Imatest!
I've recently begun using Norman Koren's excellent "Imatest"
analysis program for quantitative, thoroughly objective analysis of digicam
test images. For those interested, I've prepared a page summarizing
what Imatest showed me about the eVolt E-300's images.
The results in the tests below mirror those seen above in other test
shots. The test series are repeated here without further comment, for
the benefit of our more quantitatively-oriented readers.
Good low-light performance. Pinkish color casts, but generally pretty
low noise. Fairly good low-light autofocus capability.
The E300 produced clear, bright, usable images down to the 1/16 foot-candle
(0.67 lux) limit of my test at all of the ISO settings (though you might
argue that images were just slightly dim at the lower ISOs). Color balance
was pinkish with the Auto white balance setting, and warmed slightly depending
on the exposure. Noise was generally low, and even fairly low at the higher
ISO settings. Though image noise was high at ISOs 800 and 1,600, the grain
pattern is fine and tight. The camera's Noise Reduction setting did a
good job of suppressing bright pixel noise, though the pattern of the
noise looked about the same with and without Noise Reduction enabled.
Low-light autofocus performance was modest, with the camera able to focus
on a high-contrast target down to just over 1/4 foot-candle (about 3 lux)
with the AF-assist light turned off, and in complete darkness (on nearby
objects) with the AF light on.
Since city street-lighting at night generally corresponds to a light
level of about one foot-candle, the E300 should do pretty well for after-dark
photography in typical outdoor settings. The table below shows the best
exposure I was able to obtain for each of a range of illumination levels.
Images in this table (like all sample photos) are untouched, exactly as
they came from the camera.
(Note: If you'd like to use a light meter to
check light levels for subjects you might be interested in shooting, a
light level of one foot-candle corresponds to a normal exposure of two
seconds at f/2.8 and ISO 100.)
1 fc
11 lux
1/2 fc
5.5 lux
1/4 fc
2.7 lux
1/8 fc
1.3 lux
1/16 fc
0.67 lux
1/16fc
No NR
ISO
100
2.5 sec
f3.5
5 sec
f3.5
13 sec
f3.5
25 sec
f3.5
30 sec
f3.5
30 sec
f3.5
ISO
200
1.3 sec
f3.5
2.5 sec
f3.5
6 sec
f3.5
13 sec
f3.5
20 sec
f3.5
20 sec
f3.5
ISO
400
1/1 sec
f3.5
1.3 sec
f3.5
3.2 sec
f3.5
6 sec
f3.5
10 sec
f3.5
10 sec
f3.5
ISO
800
1/3 sec
f3.5
1/1 sec
f3.5
1.6 sec
f3.5
3.2 sec
f3.5
5 sec
f3.5
5 sec
f3.5
ISO
1600
1/6 sec
f3.5
1/3 sec
f3.5
1/1 sec
f3.5
1.6 sec
f3.5
2.5 sec
f3.5
2.5 sec
f3.5
Flash Range Test
A slightly weak flash, bright results to about nine feet, with falloff
from there.
In my testing, the E300's flash weakly illuminated the test target at
14 feet, and showed decreasing intensity from the 10-foot distance on.
Below is the flash range series, with distances from eight to 14 feet
from the target.
High resolution, 1,600 lines of "strong detail." Slightly
high barrel distortion at wide angle with the "kit" lens. Low
chromatic aberration and good sharpness in the corners.
The E300 performed well on the "laboratory" resolution test
chart. It didn't start showing artifacts in the test patterns until resolutions
as low as 1,200 lines per picture height, in both directions. I found
"strong detail" out to at least 1,600 lines. "Extinction"
of the target patterns didn't occur until about 2,000 lines (but even
there, some detail is still visible).
Using its "MTF 50" numbers, which correlate best with visual
sharpness, Imatest showed an average uncorrected resolution of 1740 LW/PH,
and a resolution of 1385 LW/PH when normalized to a standard 1-pixel sharpening.
The first number is quite high, but appears to be the result of some oversharpening
in the camera. The corrected number is decent, but a little on the low
side for a camera with an 8-megapixel CCD.
Geometric distortion on the E300 will depend on the lens in use. However,
shooting with the 14-45mm "kit" lens, I measured approximately
0.9 percent barrel distortion at wide angle, a little on the high side.
The telephoto end fared quite a bit better, as I measured only 0.1 percent
barrel distortion at that focal length. Chromatic aberration was quite
low, as I found only slight coloration around objects at the edges of
the field of view on the resolution target.
A pretty accurate viewfinder, just a little tight.
The E300's digital SLR viewfinder is fairly accurate, though a little
tight, showing about 93 percent of the final image area at wide angle,
and about 95 percent at telephoto. Given that I like digital SLRs to
be as close to 100 percent accuracy as possible, the E300's viewfinder
has just a little room for improvement here. (In fairness, most SLR
viewfinders are actually about 95% accurate. Only very high-end models
seem to provide true 100% viewfinder accuracy.) Flash distribution is
a little uneven at wide angle, with some falloff at the corners and
edges of the frame. At telephoto, flash distribution is more uniform,
with only slight falloff in the corners.