F/4 Lenses

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    01
    Pentax 120mm f/4.0 smc PENTAX-FA 645 MACRO Autofocus Lens for Pentax 645N, Black {67}

    Only 1 left in stock, order soon!

    $424.00

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    08
    Pentax 135mm f/4 smc PENTAX 645 L.S Leaf Shutter Lens for Pentax 645 System, Black {58}

    Only 1 left in stock, order soon!

    $316.74

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    01
    Pentax 200mm f/4.0 smc PENTAX-FA 645 (IF) Autofocus Lens for Pentax 645N, Black {58}

    Only 1 left in stock, order soon!

    $161.46

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    02
    Pentax 300mm f/4 smc PENTAX-A* 645 ED (IF) Manual Lens for Pentax 645, Black {77}

    Only 2 left in stock, order soon!

    $445.27

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  5. View Details
    1
    Pentax 300mm f/4.0 smc PENTAX-FA* 645 ED (IF) Autofocus Lens for Pentax 645N, Black {77}

    $782.82-$834.17

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    01
    Pentax 135mm F/4 SMC Macro Late Lens For Pentax 6X7 Series {67}

    Only 3 left in stock, order soon!

    $148.51-$193.04

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    01
    Pentax 55mm F/4 SMC Late Lens For Pentax 6X7 Series {77}

    Only 2 left in stock, order soon!

    $174.36-$369.98

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    01
    Pentax 45mm F/4 SMC Late Lens For Pentax 6X7 Series {82}

    Only 3 left in stock, order soon!

    $238.14-$288.35

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    01
    Pentax 300mm F/4 SMC Late Lens For Pentax 6X7 Series {82}

    Only 1 left in stock, order soon!

    $176.72

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    01
    Pentax 200mm F/4 SMC Late Lens For Pentax 6X7 Series {77}

    Only 3 left in stock, order soon!

    $117.35-$127.16

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    01
    Pentax 135mm F/4 SMC Macro Takumar Lens For Pentax 6X7 Series {67}

    Only 3 left in stock, order soon!

    $100.73-$131.13

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    1
    Pentax 300mm F/4 SMC M* ED (IF) Lens For Pentax 6X7 Series {82}

    Only 1 left in stock, order soon!

    $365.27

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    01
    Pentax 45mm F/4 SMC Lens For Pentax 6X7 Series {82}

    Only 4 left in stock, order soon!

    $288.83-$365.97

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  14. View Details
    Sigma 8mm f/4 EX DG Fisheye Lens for Canon EF {Gel}
    Sigma 8mm f/4 EX DG Fisheye Lens for Canon EF {Gel}

    Only 1 left in stock, order soon!

    $284.34

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    01
    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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    01
    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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    01
    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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  18. View Details
    01
    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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    01
    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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  20. View Details
    01
    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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  21. View Details
    01
    Fujifilm Fujinon GF 250mm f/4 R LM OIS WR Autofocus Lens for G-Mount, Black {82} with Tripod Collar

    Only 1 left in stock, order soon!

    $2,369.00

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  22. View Details
    01
    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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  23. View Details
    01
    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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  24. View Details
    01
    Olympus 300mm f/4 M.Zuiko Digital ED IS Pro Autofocus Lens for MFT (Micro Four Thirds) Black {77} with Built-In Hood, Tripod Mount, without Decoration Ring

    Only 2 left in stock, order soon!

    $2,177.46-$2,273.48

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  25. View Details
    01
    Panasonic Lumix S PRO 70-200mm f/4 O.I.S. Full-Frame Autofocus Lens for Mirrorless L-Mount, Black {77} with Tripod Collar

    Only 2 left in stock, order soon!

    $1,070.00-$1,084.73

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  26. View Details
    06
    Sony FE 600mm f/4 GM OSS Full-Frame Autofocus Lens for E-Mount with Tripod Collar, White {40.5 Drop-In} SEL600F40GM

    Only 1 left in stock, order soon!

    $11,354.20

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  27. View Details
    01
    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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  28. View Details
    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!

    $371.21-$384.00

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  29. View Details
    01
    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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  30. View Details
    01
    Voigtlander 21mm f/4 Color-Skopar Lens for M39 Leica Screw Mount, Black {39} without Finder

    Only 1 left in stock, order soon!

    $246.65

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  31. View Details
    01
    Leica 90mm f/4 Elmar-C Wetzlar M-Mount Lens, Germany, Black {E39}

    Only 2 left in stock, order soon!

    $226.83

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  32. View Details
    01
    Voigtlander 25mm f/4 MC Snapshot Skopar Lens for M39 Leica Screw Mount, Silver {39} with Standard Round Hood

    Only 1 left in stock, order soon!

    $257.00

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  33. View Details
    01
    Spiratone 100mm F/4 Portragon Fixed Aperture Manual Focus Lens For Minolta SR Mount

    Only 1 left in stock, order soon!

    $53.96

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  34. View Details
    01
    Minolta 70-210mm F/4 Macro MD Mount Manual Focus Lens {55}

    Only 5 left in stock, order soon!

    $4.74-$10.45

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  35. View Details
    1
    Tokina 80-200mm F/4 RMC Manual Focus Lens For Minolta MD Mount {55}

    Only 1 left in stock, order soon!

    $6.05

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  36. View Details
    01
    Zeiss 115mm f/4 Pro-Tessar Lens (for Contaflex III, IV, & Super Cameras)[67]

    Only 1 left in stock, order soon!

    $23.61

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