Reviews and Problems with Pentax 15 mm f/4.0 ED AL Limited
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Value for money 8
Picture quality 8
Build quality 9
8 May 2011
Conclusion: The Pentax smc DA 15mm F4 ED AL Limited is a unique lens in the current market, a small, lightweight wideangle prime for APS-C cameras. And let's make it clear from the outset that Pentax should be applauded for producing such a lens, to provide a genuine alternative to the wideangle zooms which are...
Pros: Compact and lightweight, High quality aluminium construction, Quick shift manual focus system, Built-in sliding hood (but see below), Good flare resistance, Almost no distortion, Small 49mm thread, doesn't require slim filters
Cons: Rather soft at F4 - F5.6, Hood design causes problems with filter use (particularly square systems)
Excerpt: This compact wide angle lens provides an angle of view equivalent to a 22.5mm lens on a 35mm format when mounted on a Pentax Digital SLR. It costs around £550 and and is part of the Pentax Limited range, which means it's one of their premium lenses.
Pros: Excellent sharpness in the centre of the frame, Compact and lightweight, Very good build, Fast focusing, Useful built in petal shaped hood
Cons: Sharpness towards the edges of the frame could be better