F/4 Lenses
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Pentax 300mm f/4 SMC A* Manual Focus Lens for K-Mount, Black {77}Only 3 left in stock, order soon!
$367.00-$430.00
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Pentax 50mm f/4 SMC Pentax-M Macro Manual Focus K-Mount Lens {49}
Only 2 left in stock, order soon!
$97.00
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Pentax 50mm f/4 SMC Macro Manual Focus K-Mount Lens {52}
Only 1 left in stock, order soon!
$56.00
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Pentax 24-50mm F/4 SMC A 2-Touch K Mount Manual Focus Lens {58}
Only 1 left in stock, order soon!
$69.00
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Pentax 28-135mm F/4 SMC A 2-Touch K Mount Manual Focus Lens {77}
Only 1 left in stock, order soon!
$162.00
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Pentax 35-70mm F/4 SMC A 2-Touch K Mount Manual Focus Lens {58}
Only 3 left in stock, order soon!
$28.00
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Pentax 70-200mm F/4 Takumar A Macro K Mount Manual Focus Lens {58}
$5.00
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Pentax 70-210mm F/4 SMC A Macro K Mount Manual Focus Lens {58}
$11.00-$70.00
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Miscellaneous Brand 70-210mm F/4 Macro Manual Focus Lens For Pentax K Mount {55}
Only 3 left in stock, order soon!
$9.00
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Kiron 70-210mm F/4 Macro Manual Focus Lens For Pentax K Mount {62}
Only 1 left in stock, order soon!
$9.00
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Kiron 80-200mm F/4 Macro Manual Focus Lens For Pentax K Mount {55}
Only 1 left in stock, order soon!
$8.00
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Pentax 100mm f/4 Super-Multi-Coated BELLOWS-TAKUMAR Lens for M42 Screw Mount {49} For Use with Bellows/Extension Tube
Only 1 left in stock, order soon!
$148.00
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Pentax 100mm f/4 Super-Multi-Coated Takumar Macro Manual Focus Lens for M42 Screw Mount {49}
Only 2 left in stock, order soon!
$65.00-$200.00
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Pentax 150mm F/4 Super Takumar M42 Screw Mount Manual Focus Lens {49}
Only 5 left in stock, order soon!
$58.00-$90.00
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Pentax 200mm F/4 SMC Takumar M42 Screw Mount Manual Focus Lens {58}
$29.00-$89.00
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Pentax 300mm f/4 SMC Takumar Manual Focus Lens for M42 Screw Mount {77}
Only 1 left in stock, order soon!
$74.00
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Pentax 50mm f/4 Macro-Takumar 1x Pre-Set Manual Focus Lens for M42 Screw Mount {49}
Only 1 left in stock, order soon!
$148.00
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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-S NIKKOR 300mm f/4 D ED Autofocus IF Lens {77}
Only 3 left in stock, order soon!
$452.00-$462.00
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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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Sears 80-200mm F/4 Macro Manual Focus Lens For Pentax K Mount {55}
Only 4 left in stock, order soon!
$5.00-$10.00
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Canon 135mm f/4 L TS-E Tilt Shift Macro Manual Focus EF-Mount Lens {82}
Only 1 left in stock, order soon!
$1,901.00
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IRIX 11mm f/4 Blackstone Full-Frame (FX) Manual Focus Lens for Nikon F, Black {Rear Gel} (CPU Contacts)
Only 1 left in stock, order soon!
$317.00
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Nikon AF-S NIKKOR 180-400mm f/4 E TC1.4 FL ED VR Autofocus Lens {40.5 Drop-in/Filter} with Nikon Tripod Foot
Only 5 left in stock, order soon!
$5,292.00-$5,499.00
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Rodenstock 85mm f/4 Retina-Rotelar S-Type Lens for Kodak Retina IIIS, Retina Reflex S, III, IV, Chrome
Only 1 left in stock, order soon!
$120.00
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Fujifilm Fujinon GF 250mm f/4 R LM OIS WR Autofocus Lens for G-Mount, Black {82} with Tripod Collar
Only 3 left in stock, order soon!
$2,447.00-$2,455.00
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Nikon AF-S NIKKOR 500mm f/4 E FL ED VR Autofocus Lens {40.5mm Drop-in/Filter}
Only 1 left in stock, order soon!
$4,293.00
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Nikon AF-S NIKKOR 600mm f/4 G ED VR Autofocus IF Lens {52 Drop-in/Filter} with Generation Designs Tripod Foot
Only 1 left in stock, order soon!
$4,043.00
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Sigma 500mm f/4 DG OS (HSM) S (Sports) Full-Frame Lens for Nikon F-Mount {46 Drop-In}
Only 2 left in stock, order soon!
$4,818.00-$5,237.00
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Nikon Nikkor Z 14-30mm f/4 S Autofocus FX Lens for Z-Mount, Black {82}
Only 1 left in stock, order soon!
$1,347.00
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Zeiss 115mm f/4 Pro-Tessar Lens (for Contaflex III, IV, & Super Cameras)[67]
Only 2 left in stock, order soon!
$24.00-$28.00
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Zeiss 85mm f/4 Pro-Tessar Lens (for Contaflex III, IV, & Super Cameras)[60]
Only 1 left in stock, order soon!
$17.00
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Zeiss 135mm F/4 Sonnar Chrome (B56) Lens
Only 1 left in stock, order soon!
$136.00
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Zeiss 250mm f/4 Olympia Sonnar Lens, Black {67}
Only 1 left in stock, order soon!
$405.00
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Zeiss 35mm F/4 Distagon BLiTZ Black Lens {B56} For Contarex
Only 1 left in stock, order soon!
$303.00
