I have the 24mm f2 and find it an excellent lens. However, if the test figures
given below can be trusted, the 28mm f2 is even better and is one of the very
best of it's type compared with other manufacturers. Given that it is listed
as
the same price as the 24mm f2 and nearly as much as the 300mm f4.5, it ought to
be good!
Giles
The following test results are courtesy of Richard Schaetzl:
.....................................................................
The quality numbers for sharpness and contrast are basing on MTF
measuring. The maximum number for sharpness, contrast is 30, for
centering is 20 and for distortion, vignetting is 10, max. total is
100.
Based on lens tests by the Magazin Color Foto, published in 5/96,
11/97 and 12/97.
Lens Sharp- Contr- Center- Distor- Vignett- Total Test in
ness ast ing tion ing
Olympus Zuiko 17,8 22,7 17 7 6 70,5 11/97
2/24mm
Pentax-FA 18,1 21,7 14 6 6 65,8 11/97
2/24mm AL IF
Olympus Zuiko 18,9 23,1 18 8 9 77 5/96
2/28mm
Olympus Zuiko 18,2 23,3 19 8 6 74,5 11/97
2/28mm
Canon EF 17,2 20,9 15 7 6 66,1 11/97
1,8/28mm
Canon EF 18,3 22,8 16 8 9 74,1 5/96
1,8/28mm
Minolta AF 17,9 22,7 14 8 6 68,6 11/97
2/28mm
Minolta AF 19,1 23,4 16 9 9 76,5 5/96
2/28mm
Minolta MD- 18,4 23,2 20 9 6 76,6 11/97
Rokkor 2/28mm
Nikon AF- 18,6 23,1 17 8 8 74,7 5/96
Nikkor 1,4/28mm
Sigma AF 15,6 19,1 14 8 6 62,7 11/97
1,8/28mm Asph. II ZEN
.....................................................................
Test results for the Zuiko 24mm f2 - courtesy of Lee Hawkins site.
-------------------------------------------------
24/2 MC - Pop. Photo (7/84 p. 65):
Actual: 24.73/2.06, Distortion: above average barrel
Centering: near-perfect, Flare: 0.6%, Transmission: 94%
Percent contrast of 0.01mm slit image:
f 2 2.8 4 5.6 8
Center 51 76 82 83 83
1/3rd out 50 67 68 67 66
2/3rds out 44 51 55 50 55
Far edge 40 41 55 70 69
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