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Pentax *istDL review with 18-55mm f3.5~5.6 DA lens Gordon Laing, December 2005



/ Resolution / Noise / Corner sharpness / Fringe and macro / Geometry / Vignetting

Pentax *istDL noise level comparison


To measure electronic noise levels we photographed the standard Gretag Macbeth ColorChecker at each of the camera's ISO settings. The crops are taken from the originals and presented here at 100%. To compare typical noise in skies and dark shadows the crops were taken from patches 3 and 24 respectively.

The Pentax *istDL is visibly nosier than its rivals at all sensitivies below, although we welcome the inclusion of a 3200 ISO option on a budget digital SLR.

Pentax *istDL
Canon EOS-350D
Konica Minolta Dynax 5D
Nikon D50
Pentax *istDL - 100 ISO not available
Canon EOS-350D at 100 ISO
Konica Minolta Dynax 5D at 100 ISO
Nikon D50 - 100 ISO not available
100 ISO not available
100 ISO, 1/125, f8
100 ISO, 1/125, f8
100 ISO not available
Pentax *istDL at 200 ISO
Canon EOS-350D at 200 ISO
Konica Minolta Dynax 5D at 200 ISO
Nikon D50 at 200 ISO
200 ISO, 1/180, f8
200 ISO, 1/200, f8
200 ISO, 1/250, f8
200 ISO, 1/200, f8
Pentax *istDL at 400 ISO
Canon EOS-350D at 400 ISO
Konica Minolta Dynax 5D at 400 ISO
Nikon D50 at 400 ISO
400 ISO, 1/350, f8
400 ISO, 1/400, f8
400 ISO, 1/500, f8
400 ISO, 1/400, f8
Pentax *istDL at 800 ISO
Canon EOS-350D at 800 ISO
Konica Minolta Dynax 5D at 800 ISO
Nikon D50 at 800 ISO
800 ISO, 1/750, f8
800 ISO, 1/800, f8
800 ISO, 1/1000, f8
800 ISO, 1/800, f8
Pentax *istDL at 1600 ISO
Canon EOS-350D at 1600 ISO
Konica Minolta Dynax 5D at 1600 ISO
Nikon D50 at 1600 ISO
1600 ISO, 1/1500, f8
1600 ISO, 1/1600, f8
1600 ISO, 1/1600, f8
1600 ISO, 1/1600, f8
Pentax *istDL at 3200 ISO
Canon EOS-350D - 3200 ISO not available
Konica Minolta Dynax 5D at 3200 ISO
Nikon D50 - 3200 ISO not available
3200 ISO, 1/3000, f8
3200 ISO not available
3200 ISO, 1/3200, f8
3200 ISO not available

Results continued...

Outdoor / Resolution / Noise / Corner sharpness / Fringe and macro / Geometry / Vignetting

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