F/4 SLR Lenses

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    01
    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!

    $361.00-$374.00

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    01
    Nikon 105mm f/4 Micro-NIKKOR AIS Manual Focus Lens {52} without Meter Prong

    Only 1 left in stock, order soon!

    $139.00

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    01
    Nikon AF-S NIKKOR 300mm f/4 D ED Autofocus IF Lens {77} without Tripod Collar

    Only 3 left in stock, order soon!

    $261.00-$351.00

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    01
    Olympus 200mm F/4 Auto (For FTL) M42 Screw Mount Manual Focus Lens {58}

    Only 2 left in stock, order soon!

    $113.00

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  5. View Details
    01
    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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    01
    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!

    $7,505.00

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    01
    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!

    $525.00

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    01
    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!

    $4,349.00

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    01
    Yashica 100mm F/4 Medical DX C/Y Mount Lens

    Only 1 left in stock, order soon!

    $36.00

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    1
    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!

    $51.00-$137.00

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    01
    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!

    $160.00

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  12. View Details
    01
    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-$620.00

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  13. View Details
    01
    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!

    $200.00

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    Main
    Canon 11-24mm f/4 L USM EF Mount Lens {Gel}

    $1,223.00-$1,248.00

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  15. View Details
    01
    Nikon AF-S NIKKOR 300mm f/4 E PF ED VR Autofocus Lens, Black {77}

    $795.00-$970.00

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  16. View Details
    01
    Sigma 24-105mm F/4 DG HSM OS (Art) A Autofocus Lens For Nikon {82}

    Only 3 left in stock, order soon!

    $375.00-$465.00

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  17. View Details
    Leica 100mm f/4 Macro-Elmar-R Wetzlar R-Mount Lens {E55} Converted to ROM (11232)
    Leica 100mm f/4 Macro-Elmar-R Wetzlar R-Mount Lens {E55} Converted to ROM (11232)

    Only 1 left in stock, order soon!

    $680.00

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  18. View Details
    01
    Pentax 100mm F/4 SMC Macro K Mount Manual Focus Lens {52}

    Only 3 left in stock, order soon!

    $63.00

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  19. View Details
    1
    Pentax 200mm F/4 SMC A K-Mount Manual Focus Lens {52}

    Only 1 left in stock, order soon!

    $121.00

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  20. View Details
    01
    Pentax 200mm f/4 SMC A* Macro ED K-Mount Manual Focus Lens {58}

    Only 2 left in stock, order soon!

    $1,158.00-$1,694.00

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  21. View Details
    01
    Pentax 200mm F/4 SMC M K-Mount Manual Focus Lens {52}

    Only 2 left in stock, order soon!

    $26.00-$81.00

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  22. View Details
    01
    Pentax 300mm F/4 SMC Manual Focus K-Mount Lens {77}

    Only 2 left in stock, order soon!

    $60.00

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  23. View Details
    01
    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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  24. View Details
    01
    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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  25. View Details
    01
    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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  26. View Details
    01
    Pentax 70-200mm F/4 Takumar A Macro K Mount Manual Focus Lens {58}

    $4.00

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  27. View Details
    01
    Pentax 70-210mm F/4 SMC A Macro K Mount Manual Focus Lens {58}

    $15.00-$75.00

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  28. View Details
    01
    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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  29. View Details
    01
    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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  30. View Details
    01
    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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  31. View Details
    01
    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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  32. View Details
    01
    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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  33. View Details
    01
    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!

    $315.00

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  34. View Details
    01
    Pentax 200mm F/4 SMC Takumar M42 Screw Mount Manual Focus Lens {58}

    Only 5 left in stock, order soon!

    $29.00-$62.00

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  35. View Details
    01
    Pentax 200mm F/4 Super Takumar M42 Screw Mount Manual Focus Lens {58}

    Only 5 left in stock, order soon!

    $36.00-$79.00

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  36. View Details
    01
    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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