Welcome to this week's roundup of US Pentax deals! Of particualar note: The DA* 50-135mm has a nice discount down to $696, $100 savings on the DA* 11-18mm continue, and there are tons of third-party deals. Full details below!

As always, more deals can be found in the deal finder:
Pentax Camera & Lens Deal Finder

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K-mount Lenses

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HD DA 18-50mm F4-5.6 WR RE
33% Off / $83 Below Average

• $167 @ B&H Photo
• $254 @ Amazon
• $297 @ Adorama

Year's price range: $167 - $297
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HD DA 20-40mm F2.8-4 Ltd. WR
21% Off / $135 Below Average

• $497 @ B&H Photo
• $656 @ Amazon
• $797 @ Adorama

Year's price range: $497 - $797
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FA 77mm F1.8 Ltd.
18% Off / $139 Below Average

• $626 @ Amazon
• $797 @ B&H Photo
• $797 @ Adorama

Year's price range: $626 - $797
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DA* 50-135mm F2.8
15% Off / $125 Below Average

• $696 @ B&H Photo
• $796 @ Adorama
• $796 @ Amazon

Year's price range: $682 - $932
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HD DA 20-40mm F2.8-4 Ltd. WR (Silver)
12% Off / $67 Below Average

• $497 @ B&H Photo
• $497 @ Adorama
• $497 @ Amazon

Year's price range: $497 - $595
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DA 18-55mm F3.5-5.6 WR
7% Off / $12 Below Average

• $170 @ Amazon
• $184 @ B&H Photo
• $184 @ Adorama

Year's price range: $168 - $184
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HD DA 35mm F2.8 Ltd. Macro (Silver)
7% Off / $32 Below Average

• $460 @ Amazon
• $469 @ Adorama
• $470 @ B&H Photo

Year's price range: $391 - $496
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HD DA* 11-18mm F2.8
6% Off / $85 Below Average

• $1300 @ B&H Photo
• $1300 @ Adorama
• $1397 @ Amazon

Year's price range: $1297 - $1400
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Third-Party

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Tamron 70-300mm F4-5.6 AF Di LD Macro
57% Off / $164 Below Average

• $125 @ Amazon

Year's price range: $124 - $370
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Tamron 10-24mm F3.5-4.5 Di II
28% Off / $191 Below Average

• $499 @ Amazon

Year's price range: $499 - $749
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Samyang 35mm F1.4 AS UMC
24% Off / $92 Below Average

• $289 @ Amazon
• $399 @ B&H Photo
• $499 @ Adorama

Year's price range: $289 - $419
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Sigma 10mm F2.8 EX DC HSM Fisheye
21% Off / $164 Below Average

• $615 @ Amazon

Year's price range: $615 - $788
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Tamron 28-75mm F2.8 AF XR Di LD Macro SP
17% Off / $82 Below Average

• $399 @ B&H Photo
• $499 @ Amazon

Year's price range: $379 - $538
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Sigma 70-300mm F4-5.6 APO DG Macro
10% Off / $27 Below Average

• $249 @ Amazon

Year's price range: $249 - $299
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Rokinon 8mm F3.5 Fisheye CS
9% Off / $20 Below Average

• $200 @ Amazon
• $259 @ B&H Photo
• $299 @ Adorama

Year's price range: $149 - $259
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Sigma 17-70mm F2.8-4 DC Macro HSM C
9% Off / $35 Below Average

• $338 @ Amazon
• $449 @ B&H Photo
• $449 @ Adorama

Year's price range: $338 - $449
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Sigma 8-16mm F4.5-5.6
6% Off / $40 Below Average

• $649 @ B&H Photo

Year's price range: $649 - $699
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Lensbaby Velvet 85mm F1.8
5% Off / $22 Below Average

• $450 @ Amazon

Year's price range: $450 - $500
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Samyang 50mm F1.4 AS IF UMC
5% Off / $18 Below Average

• $349 @ B&H Photo
• $399 @ Adorama
• $499 @ Amazon

Year's price range: $349 - $399
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Sigma 35mm F1.4 DG HSM A
5% Off / $40 Below Average

• $774 @ B&H Photo
• $774 @ Adorama
• $1299 @ Amazon

Year's price range: $649 - $899
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645 Lenses

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FA 645 200mm F4
20% Off / $185 Below Average

• $762 @ Amazon
• $996 @ B&H Photo
• $996 @ Adorama

Year's price range: $654 - $1096
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FA 645 150-300mm F5.6
18% Off / $380 Below Average

• $1764 @ Amazon
• $2196 @ B&H Photo
• $2196 @ Adorama

Year's price range: $1754 - $2196
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[EssJayEff]

Caution: that 77mm at $625.34 is sold by Eagle Camera, fulfilled by Amazon. Eagle has a lot of negative comments.

[Stargeezer]

Caution: that 77mm at $625.34 is sold by Eagle Camera, fulfilled by Amazon. Eagle has a lot of negative comments.

also sold directly from amazon @$620