Adorama runs a promotion on these Pentax lenses:

• Pentax SMCP-FA 31mm F1.8 AL ($1,299) $999.95
• Pentax SMCP-FA 43mm F1.9 ($749) $569.95
• Pentax D-FA 50mm F2.8 Macro ($524) $429.95
• Pentax SMCP-FA 77mm F1.8 Limited Edition Black ($1,049) $829.95
• Pentax SMCP-DA 10-17mm F3.5-4.5 (IF) Fisheye ($649) $499.95
• Pentax SMCP-DA 12-24mm F4 AL (IF) ($899) $749.95
• Pentax SMCP-DA 17-70mm F4 AL (IF) ($599) $499.95
• Pentax SMCP-DA 18-55mm F3.5-5.6 AL WR (Weather Resistant) ($199) $159.95
• Pentax SMCP-DA 18-135mm F3.5-5.6 AL (IF) DC WR (Weather Resistant) ($499) $419.95
• Pentax SMCP-DA 18-270mm F3.5-6.3 ED SDM ($799) $649.95
• Pentax SMCP-DA 50-135mm F2.8 ED (IF) SDM ($1,399) $999.95

Use coupon code S102831013.

And better hurry. Promotion is valid until the end of October 2013 or while supplies last.