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Pentax K20D Digital Camera Infrared Tests
Camera and Lens Tests
Here at DIMi we test cameras all the time. Since there are already so many great reviews of features, etc at sites like DPreview, we choose to be selective in the tests that we do in situations where we disagree with the findings elsewhere or where we feel we have something else to add. Hence the development of our detailed tests of digital camera infrared capabilities discussed elsewhere.
One thing I have decided to do on all cameras that come through here, apart from the infrared tests, is to do noise tests at each ISO setting the camera supports and to provide the RAW files that you can download to examine yourself. So after the link to the article you will find links to the RAW files. Depending on your platform and browser you may just need to click on them or right (or control) click and select save file to disk.
I am also doing some lens tests too. They appear at the bottom of this page.
Note- these test result images show as much noise as you ever would see. We go to great lengths to ensure that the software we use to prepare the images does not reduce noise or sharpen the image at all. This is not always easy, as virtually all RAW processing applies some sharpening and noise reduction, even at a very low level.
Canon
30D
JPEGs for the following articles were prepared through Adobe Camera RAW with no adjustments, sharpening or noise reduction, and then the crop and conversion to JPEG done in Photoshop
New article with daytime noise tests of the 30D
New article with nighttime noise tests of the 30D
RAW files (close, busy subject)
Daytime:
RAW files (more plain subject)
Daytime:
RAW files
Nighttime NR off:
RAW files
Nighttime NR on:
40D
Daytime noise tests of Canon 40D
RAW files
Day
Night
350D/Rebel XT
Original Canon 350D/Rebel XT article with noise and resolution tests as minimal compression JPEGs
JPEGs for the following articles were prepared through TIFF conversion in Canon's software and then the crop and conversion to JPEG done in Photoshop
New article with daytime noise tests of the 350D/Rebel XT
New article with nighttime noise tests of the 350D/Rebel XT
These TIFFs are revised from the earlier ones and are produced from a RAW conversion in Adobe Lightroom
RAW files
Daytime:
RAW files
Nighttime NR off:
RAW files
Nighttime NR on:
Comparision with the 400D/Rebel XTi
To make a direct comparision of the 350D and 400D I shot the same scenes at the same time using the same lens, tripod and same key exposure values.
Canon Head-to-head: the 350D/Rebel XT vs. the 400D/Rebel XTi - Part 1
Canon Head-to-head: the 350D/Rebel XT vs. the 400D/Rebel XTi - Part 2
Canon Head-to-head: the 350D/Rebel XT vs. the 400D/Rebel XTi - Part 3
Canon Head-to-head: the 350D/Rebel XT vs. the 400D/Rebel XTi - Part 4
Warning. Both sets of files use the same naming convention, so when you click on them, right click or control click on the Mac, and save then to disk in different directories or folders.
RAW files for the 350D to correspond with the 400D files below.
RAW files (close, busy subject)
Daytime:
RAW files (far, plain subject)
Daytime:
RAW files
Nighttime NR off:
RAW files
Nighttime NR on:
400D/Rebel XTi
JPEGs for the following articles were prepared through Adobe Camera RAW with no adjustments, sharpening or noise reduction, and then the crop and conversion to JPEG done in Photoshop
Daytime noise tests of the 400D/Rebel XTi
Nighttime noise tests of the 400D/Rebel XTi
RAW files (close, busy subject)
Daytime:
RAW files (far, plain subject)
Daytime:
RAW files
Nighttime NR off:
RAW files
Nighttime NR on:
5D
In the following articles, the RAW images were first converted to TIFFs in Canon's Digital Photo Professional software. The TIFFs were then cropped and converted to JPEGs in Photoshop. The RAW files are available below:
Daytime noise test of the Canon 5D
Daytime long exposure noise test of the Canon 5D
RAW files:
Daytime Short Exposure:
Daytime Long Exposure:
Canon G9
RAW files:
Daytime short exposure:
Night time long exposures:
FujiFilm
S9500
JPEGs for the following articles were prepared through Photoshop
Fujifilm S9500 article with daylight tests
Fujifilm S9500 article with nighttime tests
RAW files
Daytime:
Night:
Nikon
D200
Original Nikon D200 article with noise tests as minimal compression JPEGs
JPEGs for the following articles were prepared through TIFF conversion in Nikon's software and then the crop and conversion to JPEG done in Photoshop
New Nikon D200 article with daylight tests
New Nikon D200 article with nighttime tests
These TIFFs are produced from a RAW conversion in Adobe Lightroom
RAW (actually NEF) files
Daytime:
100ISO NR off
200ISO NR off
400ISO NR off
800ISO NR off
1600ISO NR off
3200ISO NR off
100ISO NR on
200ISO NR on
400ISO NR on
800ISO NR on
1600ISO NR on
3200ISO NR on
Nighttime:
Nikon D3
Image Noise Tests on the Nikon D3
RAW (NEF) files:
Day Test Target:
Night Test Target:
Day Outdoors Test:
Nikon D40x
Day Image Noise Tests of the Nikon D40x
Night Image Noise Tests of the Nikon D40x
RAW (NEF) files:
Daytime set
NIghttime set
Nikon D80
Day Image Noise Tests on the Nikon D80
Night Image Noise Tests on the Nikon D80
Dark Frame Noise Tests on the Nikon D80
RAW (NEF) files:
Daytime set one (the set matching the JPEGs):
Daytime set two (city):
Nighttime:
Darkframes (1/250th second) no noise reduction:
Darkframes (30 seconds) no noise reduction:
D40x
Day Image Noise Tests on the Nikon D40x
Night Image Noise Tests on the Nikon D40x
Dark Frame Noise Tests on the Nikon D40x
RAW (NEF) files:
Daytime:
100ISO
200ISO
400ISO
800ISO
1600ISO
3200ISO
Nighttime:
100ISO NR off
100ISO NR on
200ISO NR off
200ISO NR on
400ISO NR off
400ISO NR on
800ISO NR off
800ISO NR on
1600ISO NR off
1600ISO NR on
3200ISO NR off
3200ISO NR on
Darkframes (1/250th second) no noise reduction:
100ISO
200ISO
400ISO
800ISO
1600ISO
3200ISO
Darkframes (30 seconds) no noise reduction:
100ISO
200ISO
400ISO
800ISO
1600ISO
3200ISO
Olympus
C-7070
Olympus C-7070 article with noise tests as minimal compression JPEGs (JPEGs prepared through TIFF conversion in Olympus' software and then crop and conversion in Photoshop)
These are the RAW files for daylight shots from the camera:
80ISO RAW (10MB)
E-300
These are some older noise tests for the Olympus E-300.
Olympus E-330 article with noise tests as minimal compression JPEGs (JPEGs prepared through TIFF conversion in Olympus' software and then crop and JPEG conversion in Photoshop)
These are the RAW files:
E-330
Olympus E-330 article with noise tests as minimal compression JPEGs (JPEGs prepared through TIFF conversion in Olympus' software and then crop and conversion in Photoshop)
These are the RAW files of the daylight shots straight from the camera for those able to examine them:
100ISO RAW (13-16MB)
These are the RAW files of the nighttime shots straight from the camera for those able to examine them:
Panasonic
DMC-FZ30
Panasonic FZ30 article with daytime and nighttime noise tests as minimal compression JPEGs
These are the RAW files for the daylight shots:
80ISO (11-13MB)
These are the RAW files for the nighttime shots:
80ISO (11-13MB)
DMC-FZ50
Panasonic FZ50 article with testing of image stabilization system.
Panasonic FZ50 article with testing of image noise during the daytime.
Panasonic FZ50 article with testing of image noise at night.
These are the RAW files for the daytime tests (busy subject matter):
100ISO 1/100 sec f4
200ISO 1/160 sec f4
400ISO 1/200 sec f5.6
800ISO 1/400 sec f5.6
1600ISO 1/400 sec f8
These are the RAW files for the daytime tests (distant subject matter):
100ISO 1/40 sec f5.6
200ISO 1/400 sec f7.1
400ISO 1/640 sec f8
800ISO 1/800 sec f10
1600ISO 1/1250 sec f11
These are the RAW file for the night tests:
1600ISO 8 sec f11 (one stop over exposed compared to the others)
Pentax
Pentax ist* DL
Pentax K10D
Pentax K10D Daytime Image Noise Tests
DNG files of these tests:
Test 1
Test2
JPEG files of these tests if you have trouble with the DNG files:
Test 1
Test2
Pentax K10D Night and Dark Field Noise Tests
Night cityscape PEF files (8 second exposure):
30 second dark field PEF files:
K20D
Pentax K20D Image Noise Test Article
Daytime Tests
Nighttime Tests
Samsung
Sony
Sony A100
Sony A100 dSLR Daytime Test Article
Sony A100 dSLR Nighttime Test Article
Sony A100 anti-shake technology test
Sony A100 Digital Camera Anti-Shake Test Extra
These are the RAW files for the daytime noise tests:
100ISO (10-13MB)
These are the RAW files for the nighttime noise tests:
100ISO NR On (10-13MB)
Sony H5
Sony H5 Digital Camera Image Noise tests
Lens Comparisons
Tamron 18-200mm f3.5-6.3 XR Macro shot at 100mm on a Canon 350D
Tamron 18-200mm f3.5-6.3 XR Macro shot at 100mm on a Nikon D200
Other Camera and Lens Test Resources
David Ruether's Lens Tests of mostly Nikon Lenses
