On Mon 2001-09-24 (15:33), HUDERER Bernd wrote:
> Nowadays with automatic cameras constant aperture zooms got rare.
True: only some Pentax AF lenses have constant aperture values:
FA 20-35/4
F 24-50/4
FA 28-70/4
FA* 28-70/2,8
FA* 80-200/2,8
F* 250-600/5,6
FA* 250-600/5,6
That's only 7 out of 29 zoom lenses
Some others are
Sigma EX 24-70/2,8 DF DG
Sigma EX 28-70/2,8 DF
Sigma 35-70/2,8
Sigma EX 70-200/2,8
Sigma 70-210/2,8
Sigma EX 100-300/4
Tamron SP AF 28-105/2,8
Tamron SP AF 35-105/2,8
Tamron SP AF70-210/2,8 LD
Tamron AF200-400/5,6 LD
Tokina AT-X 235AF PRO 20-35/2,8
Tokina AT-X 24-40/2,8
Tokina AT-X 270AF 28-70/2,8
Tokina AT-X 280AF PRO 28-80/2,8
Tokina AT-X 828AF 80-200/2,8
Tokina AT-X 828AF PRO 80-200/2,8
Tokina AT-X 340AF 100-300/4
Tokina AT-X 340AF II 100-300/4
Regards
Martin
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