Sigma 18-50mmf2.8 or Pentax 16-45mm to buy???

Started Feb 4, 2005 | Discussions thread
Eilert Ofstead Contributing Member • Posts: 680
Re: Pentax 16-45mm - why "underexposing"?

Several have commented on this lens apparently giving a 1/2 - 1 stop underexposure. Does anyone have an explanation for this phenomenon? Is the f-rating incorrect? Or does the meter fail to utilize feedback from the lens properly? Has anyone done full manual f-setting and compared this lens with others?

Seems a strange mystery....

Eilert

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