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Welcome to this week's roundup of US Pentax lens deals! The list is short and sweet, but there are some nice savings, in particular on 645 lenses.

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Cameras

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Ricoh Theta S
11% Off / $40 Below Average

• $335 @ Amazon

Year's price range: $335 - $430
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K-mount Lenses

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D FA 100mm F2.8 WR Macro
28% Off / $136 Below Average

• $349 @ Adorama

Year's price range: $349 - $547
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DA 16-85mm F3.5-5.6 WR
23% Off / $146 Below Average

• $497 @ Adorama
• $647 @ B&H Photo

Year's price range: $497 - $647
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DA 18-270mm F3.5-6.3
18% Off / $110 Below Average

• $497 @ Amazon

Year's price range: $497 - $1402
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DA 35mm F2.4
12% Off / $15 Below Average

• $117 @ Adorama
• $117 @ B&H Photo

Year's price range: $117 - $147
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HD DA 18-50mm F4-5.6 WR RE
12% Off / $33 Below Average

• $254 @ Amazon
• $297 @ B&H Photo

Year's price range: $254 - $297
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HD DA 1.4x Teleconverter
10% Off / $37 Below Average

• $318 @ Amazon
• $373 @ Adorama
• $373 @ B&H Photo

Year's price range: $318 - $386
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HD DA 20-40mm F2.8-4 Ltd. WR (Silver)
8% Off / $42 Below Average

• $450 @ Amazon
• $497 @ Adorama
• $497 @ B&H Photo

Year's price range: $450 - $497
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DA 50mm F1.8
7% Off / $7 Below Average

• $97 @ Adorama
• $97 @ B&H Photo

Year's price range: $97 - $117
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D FA 70-210mm F4
6% Off / $50 Below Average

• $797 @ Adorama
• $797 @ B&H Photo

Year's price range: $797 - $1097
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DA* 50-135mm F2.8
6% Off / $66 Below Average

• $1034 @ Amazon

Year's price range: $1018 - $1365
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DA* 55mm F1.4
6% Off / $33 Below Average

• $544 @ Amazon
• $647 @ Adorama

Year's price range: $544 - $647
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HD DA 10-17mm Fisheye F3.5-4.5
6% Off / $24 Below Average

• $397 @ Adorama
• $397 @ B&H Photo

Year's price range: $397 - $497
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D FA 28-105mm F3.5-5.6 WR
5% Off / $23 Below Average

• $400 @ Adorama
• $400 @ B&H Photo

Year's price range: $397 - $497
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HD D FA* 70-200mm F2.8 Silver
5% Off / $86 Below Average

• $1597 @ B&H Photo

Year's price range: $1597 - $2097
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Third-Party

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Irix 45mm F1.4 Dragonfly
18% Off / $104 Below Average

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

Year's price range: $460 - $595
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Irix 30mm F1.4 Dragonfly
13% Off / $82 Below Average

• $540 @ Adorama
• $540 @ B&H Photo

Year's price range: $540 - $675
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Rokinon 35mm F1.4 AS UMC
12% Off / $61 Below Average

• $429 @ B&H Photo

Year's price range: $429 - $499
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Irix 15mm F2.4 Firefly
10% Off / $40 Below Average

• $350 @ Adorama
• $350 @ B&H Photo
• $386 @ Amazon

Year's price range: $350 - $399
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Rokinon 100mm F2.8 ED AS UMC Macro
5% Off / $28 Below Average

• $499 @ B&H Photo

Year's price range: $499 - $549
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645 Lenses

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FA 645 45-85mm F4.5
40% Off / $593 Below Average

• $897 @ B&H Photo
• $1464 @ Amazon

Year's price range: $897 - $2397
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FA 645 33-55mm F4.5
39% Off / $387 Below Average

• $597 @ B&H Photo

Year's price range: $597 - $2697
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FA 645 55-110mm F5.6
27% Off / $379 Below Average

• $1000 @ Adorama
• $1000 @ Amazon
• $1539 @ B&H Photo

Year's price range: $1000 - $1540
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FA 645 45mm F2.8
23% Off / $214 Below Average

• $697 @ B&H Photo
• $1032 @ Amazon
• $1297 @ Adorama

Year's price range: $697 - $1095
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D FA 645 90mm F2.8 Macro
15% Off / $542 Below Average

• $2996 @ Adorama
• $3996 @ B&H Photo

Year's price range: $2996 - $3996
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FA 645 200mm F4
9% Off / $49 Below Average

• $497 @ B&H Photo
• $789 @ Amazon
• $897 @ Adorama

Year's price range: $397 - $1096
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