F/4 Lenses
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Pentax 300mm f/4.0 smc PENTAX-FA* 645 ED (IF) Autofocus Lens for Pentax 645N, Black {77}
$783.00-$814.00
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Pentax 135mm F/4 SMC Macro Late Lens For Pentax 6X7 Series {67}
Only 5 left in stock, order soon!
$149.00-$193.00
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Pentax 55mm F/4 SMC Late Lens For Pentax 6X7 Series {77}
Only 1 left in stock, order soon!
$148.00
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Pentax 45mm F/4 SMC Late Lens For Pentax 6X7 Series {82}
Only 3 left in stock, order soon!
$208.00-$329.00
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Pentax 300mm F/4 SMC Late Lens For Pentax 6X7 Series {82}
Only 1 left in stock, order soon!
$177.00
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Pentax 300mm F/4 SMC M* ED (IF) Lens For Pentax 6X7 Series {82}
Only 2 left in stock, order soon!
$288.00-$617.00
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Pentax 300mm F/4 SMC Takumar Lens For Pentax 6X7 Series {82}
Only 1 left in stock, order soon!
$148.00
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Pentax 45mm F/4 SMC Lens For Pentax 6X7 Series {82}
Only 2 left in stock, order soon!
$283.00-$289.00
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Pentax 55mm F/4 SMC Lens For Pentax 6X7 Series {77}
Only 1 left in stock, order soon!
$306.00
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Pentax 800mm F/4 SMC Takumar Lens For Pentax 6X7 Series
Only 1 left in stock, order soon!
$3,506.00
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Nikon 600mm f/4 NIKKOR*ED IF AIS Manual Focus Lens {39 Drop-in/Filter} with Built-In Hood
Only 5 left in stock, order soon!
$1,414.00-$1,975.00
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Bronica 150mm f/4 Zenzanon-PS Lens for SQ System {67}
$160.00-$245.00
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Pentax 50mm f/4 Super-Multi-Coated Macro-Takumar 0.5x Manual Focus Lens for M42 Screw Mount {49}
$41.00-$70.00
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Nikon AF MICRO NIKKOR 200mm f/4 D ED Autofocus Lens {62}
Only 4 left in stock, order soon!
$513.00-$980.00
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Nikon AF NIKKOR 300mm f/4 ED Autofocus IF Lens {82 Front Thread, 39 Drop-in/Filter}
$115.00-$268.00
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Nikon AF NIKKOR 300mm f/4 ED Autofocus IF Lens {82 Front Thread, Gel Filter Holder}
Only 1 left in stock, order soon!
$406.00
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Nikon AF-I NIKKOR 500mm f/4 D ED Autofocus IF Lens {39 Drop-In/Filter}
Only 3 left in stock, order soon!
$1,367.00-$1,920.00
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Nikon AF-S NIKKOR 600mm f/4 D ED Autofocus IF Lens {52 Drop-in/Filter}
Only 2 left in stock, order soon!
$3,289.00-$3,709.00
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Nikon AF-S NIKKOR 600mm f/4 D II ED Autofocus IF Lens, Black {52 Drop-in/Filter} with Nikon Tripod Foot
Only 1 left in stock, order soon!
$2,533.00
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Nikon AF-S NIKKOR 600mm f/4 D II ED Autofocus IF Lens, Gray {52 Drop-in/Filter}
Only 1 left in stock, order soon!
$4,187.00
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Nikon AF-S NIKKOR 500mm f/4 D ED Autofocus IF Lens {Gel Filter Holder}
Only 1 left in stock, order soon!
$1,352.00
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Sigma 8mm f/4 EX D Autofocus Lens for Nikon {Gel}
Only 3 left in stock, order soon!
$194.00-$264.00
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Tokina AT-X 300mm F/4 Autofocus Lens For Nikon {77}
Only 1 left in stock, order soon!
$239.00
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Nikon AF-S NIKKOR 200-400mm f/4 G ED VR Autofocus IF Lens {52 Drop-in/Filter}
Only 2 left in stock, order soon!
$1,137.00-$1,209.00
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Nikon AF NIKKOR 70-210mm f/4 Macro Autofocus Lens {62}
Only 4 left in stock, order soon!
$65.00-$74.00
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Sigma 100-300mm F/4 APO DG EX HSM IF Autofocus Lens For Nikon {82}
Only 1 left in stock, order soon!
$525.00
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Sigma 100-300mm F/4 APO D EX HSM IF Autofocus Lens For Nikon {82}
Only 1 left in stock, order soon!
$434.00
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Nikon 135mm f/4 NIKKOR-Q Auto Non AI Nippon Kogaku Japan Manual Focus Lens {43} Long Mount Version
Only 1 left in stock, order soon!
$306.00
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Nikon 18mm f/4 NIKKOR AI Manual Focus Lens {86}
Only 2 left in stock, order soon!
$355.00-$448.00
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Nikon 20mm f/4 NIKKOR Non AI Manual Focus Lens {52}
Only 2 left in stock, order soon!
$141.00-$177.00
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Nikon 200mm f/4 NIKKOR AIS Manual Focus Lens {52} with Built-In Hood
$32.00-$160.00
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Nikon 20cm (200mm) f/4 NIKKOR-Q Auto Non AI Nippon Kogaku Japan Manual Focus Lens {52} with Built-In Hood
$24.00-$46.00
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Nikon 20cm (200mm) f/4 NIKKOR-Q Auto Non AI Nippon Kogaku Japan Pat. Pend. Manual Focus Lens {52} with Built-In Hood
Only 1 left in stock, order soon!
$44.00
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Nikon 200mm f/4 Micro-NIKKOR AI Manual Focus Lens {52} with Built-in Hood
Only 3 left in stock, order soon!
$112.00-$204.00
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Nikon 200mm f/4 Micro-NIKKOR AIS Manual Focus Lens {52} with Built-in Hood
Only 3 left in stock, order soon!
$137.00-$221.00