The Pentax DA 16-45mm has an average review score of 79.3%

Score (%):
Pentax DA 16-45mm 1:4 ED/AL review
The 16-45mm reveals itself as a fine all-round performer with few faults, both in studio testing and real-life use. It shows pretty consistent image quality across the range, and while the MTF results may not look impressive, its real strengths are elsewhere.
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Pentax SMC-DA 16-45mm f/4 ED AL - Review
The Pentax SMC-DA 16-45mm f/4 ED AL is an impressive standard zoom ... with a bug. The resolution figures indicate a very good resolution characteristic throughout the zoom range.
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Pentax 16-45mm f/4 SMC DA ED AL
This lens is generally a very good performer and it doesn't cost much either. In my mind this is the ideal standard zoom lens for use with Pentax digital SLRs if you don't require a faster aperture than f/4 or an obnoxious zoom range.
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Pentax SMC DA 16-45mm F4.0 ED AL review
Handling is good with smoothly operating zoom and focus rings, the latter enabling full-time manual override once autofocus has been achieved. There's no built-in autofocus motor, so AF is driven from the camera.
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