Wide angle lens comparison between four lens:
Pentax SMC DA 35mm F2.8 limited macro
Pentax SMC-DA 15mm F4 ED AL Limited
Pentax SMC DA 18-135mm 3.5-5.6 ED AL (IF) DC WR
Bower 14mm f/2.8 ED AS IF UMC manual focus,
Photos were taken in RAW, converted to JPG with no sharping or other processing, other than adding text.
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