F/4 SLR Lenses
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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!
$4.83-$9.97
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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!
$1,901.21
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IRIX 11mm f/4 Blackstone Full-Frame Manual Focus Lens for Canon EF-Mount, Black {Rear Gel}
Only 1 left in stock, order soon!
$326.00
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IRIX 11mm f/4 Blackstone Full-Frame (FX) Manual Focus Lens for Nikon F, Black {Rear Gel} (CPU Contacts)
Only 3 left in stock, order soon!
$306.53-$336.21
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Sears 80-200mm f/4 Macro Breech Lock Lens for Canon FD-Mount {55}
Only 1 left in stock, order soon!
$16.31
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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 4 left in stock, order soon!
$7,601.21-$7,799.00
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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!
$120.25
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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!
$4,817.89-$5,236.84
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Tamron 70-210mm f/4 Di VC USD Lens for Canon EF-Mount {67} A034
Only 2 left in stock, order soon!
$313.91-$405.00
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Sigma 500mm f/4 DG OS HSM S (Sports) Full Frame Lens for Canon EF-Mount {46 Drop-In}
Only 1 left in stock, order soon!
$3,877.00
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Venus Optics Laowa 15mm f/4 Wide Macro (Manual Focus, Manual Aperture) Lens for Pentax K Mount {77}
Only 2 left in stock, order soon!
$371.21-$384.00
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Nikon AF-S NIKKOR 300mm f/4 D ED Autofocus IF Lens {77} without Tripod Collar
Only 2 left in stock, order soon!
$264.59-$274.83
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Sigma 8mm f/4 EX Fisheye Lens for Canon EF {Gel}
Only 1 left in stock, order soon!
$294.42
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Olympus 200mm F/4 Auto (For FTL) M42 Screw Mount Manual Focus Lens {58}
Only 2 left in stock, order soon!
$112.86
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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 Really Right Stuff LCF-19 Tripod Foot
Only 1 left in stock, order soon!
$7,799.00
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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 Wimberley AP-551 Tripod Foot
Only 1 left in stock, order soon!
$7,504.98
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Sigma 24-105mm f/4 DG HSM A (Art) Lens, Black, Dedicated Only for Sigma SA (please note: not Sony Alpha Mount){82}
Only 1 left in stock, order soon!
$524.55
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Sigma 500mm f/4 DG OS (HSM) S (Sports) Full-Frame Lens for Nikon F-Mount {46 Drop-In} with Wimberley AP-602 Tripod Foot
Only 1 left in stock, order soon!
$4,349.30
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Canon 24-105mm f/4 L IS USM Macro EF-Mount Lens {77} Zoom Loose
Only 1 left in stock, order soon!
$368.32
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Tokina 12-24mm f/4 AT-X Pro SD (IF) DX II Autofocus APS-C Lens for Canon EF-S Mount {77}
Only 2 left in stock, order soon!
$51.10-$137.23
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Tokina AT-X 17-35mm F/4 SD Pro IF FX Autofocus Lens For Nikon {82}
$208.59-$267.22
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Tokina AT-X Pro 12-28mm f/4 SD (IF) DX Autofocus APS-C Lens for Nikon F-Mount {77}
Only 1 left in stock, order soon!
$160.10
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Sigma 24-105mm f/4 DG OS (HSM) A (Art) Lens for Canon EF-Mount, Black {82}
Only 2 left in stock, order soon!
$600.00-$620.15
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Tokina 17-35mm F/4 AT-X Pro SD IF FX Autofocus Lens For Canon EF Mount {82}
Only 1 left in stock, order soon!
$200.20
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Nikon AF-S NIKKOR 300mm f/4 E PF ED VR Autofocus Lens, Black {77}
$794.88-$970.00
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Sigma 24-105mm F/4 DG HSM OS (Art) A Autofocus Lens For Nikon {82}
Only 3 left in stock, order soon!
$375.29-$465.00
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Leica 100mm f/4 Macro-Elmar-R Wetzlar R-Mount Lens {E55} Converted to ROM (11232)
Only 1 left in stock, order soon!
$679.64
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Pentax HD 15mm f/4 PENTAX-DA ED AL Limited Autofocus APS-C Lens for K-Mount, Silver {49}
Only 1 left in stock, order soon!
$262.31
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Tokina 80-200mm F/4 RMC Manual Focus Lens For Pentax K Mount {55}
Only 2 left in stock, order soon!
$7.66
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Yashica 100mm F/4 Medical DX C/Y Mount Lens
Only 1 left in stock, order soon!
$35.59
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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!
$9.43
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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!
$8.31
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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!
$64.88-$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!
$58.02-$95.32
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Pentax 17mm f/4 Fish-eye-Takumar Manual Focus Lens for M42 Screw Mount {Built-In Filters: Y48(Y2), L39(UV), 056(02)}
Only 1 left in stock, order soon!
$315.06