• Fringer smart adapters

    EF - Fujifilm X

    Will be available soon!

    Contax 645 - Fujifilm GFX

    Available now

    Contax N/645 - Sony E

    Available now

  • Contax 645 - GFX Smart Adapter
    (Developed by Fringer)

    World's first smart adapter for Fujifilm GFX50s

  • Contax 645-GFX smart adapter

    Key features

    Electronic aperture control

    Using aperture ring of the lens or command dial on the body to control the aperture.

    Auto focus

    Except the MF lens 120/4, all Contax 645 lenses as well as the Mutar 1.4x are suppored to AF on GFX50s.

    In any cases that you don't want AF, MF is also available.

    Correctly record EXIF information

    Lens model

    Max/current aperture

    Focal length

    etc.

    Compatible with all Contax 645 lenses

    Including 35/3.5, 45/2.8, 55/3.5, 80/2, 120/4, 140/2.8, 210/4, 350/4, 45-90/4.5 and Mutar 1.4x

    Well designed and made

    Designed for 44 x 33 frame. Unlike 135 lenses, no vignetting issues!

    Built-in tripod mount (Arca quick release compatible) without additional cost.

    Flocking inside minimized the internal reflection.

    Full metal body, copper (front & back) mount, durable design

    Field upgradable (through built-in micro USB port).

  • Contax 645 lenses compatible list

    The C645-GFX adapter is compatible with all C645 lenses.

    AF/MF

    Lenses with better AF performance

    Distagon T* 3,5/35
    Distagon T* 2,8/45
    Distagon T* 3,5/55
    Planar T* 2/80
    Sonnar T* 2,8/140
    Sonnar T* 4/210
    Tele-Apotessar T* 4/350
    Vario-Sonnar T* 4,5/45-90

    AF/MF

    Lenses with degraded AF performance

    Sonnar T* 2,8/140 + Mutar 1,4x T*
    Sonnar T* 4/210 + Mutar 1,4x T*
    Tele-Apotessar T* 4/350 + Mutar 1,4x T*

    MF only

    MF only lens

    Apo-Makro-Planar T* 4/120

  • Service and resources for C645-GFX adapter

    After-sale services

    14-days return or replacement

    Within two weeks after you purchased the adapter, if it works abnormal or not as described, you may return it to me and get full refund or a new replacement. Please contact me before you return it to me.

     1-year free warranty.

    Within one year after you purchased the adapter, if you encounter any problem, you may send it back to me for repair. If it's not caused by abnormal usage, I'll repair it for free.

    Lifetime service.

    You can always rely on my after sale service, even after the free warranty period. But you may need to pay for relevant costs.

    Firmware update

    Version 2.3 (2017/10/30)

    Release notes 

    Download C6GF_230.BIN (91,928 bytes): Mirror in China  Mirror outside China

    User's manual

  • Fringer adapter for Sony E mount

    Hi! I'm Fringer who developed Contax N/645 - Sony E smart adapters.

  • Features of Contax N/645 - Sony E auto adapter

    Fully utilize your beautiful Zeiss lens on latest digital camera bodies, just like a native one.

    PDAF

    Phase detection auto focus is supported*. AF performance is close to SLRs.

    *Only supported on A9/A7II/A7rII/A6300/A6500

    Electronic aperture control

    Fringer adapter fully understands Contax N and Sony E mount protocols and control lens' built-in aperture blades smoothly.

    Lens info (Exif)

    reporting

    - Lens model, focal length, aperture, etc.

    reported in realtime.

    - Automatically supports 5-Axis SteadyShot (IBIS) !

     

    Field upgradeable

    Built-in USB port

     

     

  • CN-SE adapter Compatible list

    Lens and Cameras

    Contax N lens supported

    - Makro-Sonnar T* 2.8/100

    - Planar T* 1.4/50

    - Planar T* 1.4/85

    - Tele-Apotessar T* 4/400

    - Vario-Sonnar T* 2.8/17-35

    - Vario-Sonnar T* 3.5-4.5/24-85

    - Vario-Sonnar T* 3.5-4.5/70-200

    - Vario-Sonnar T* 3.5-5.6/28-80

    - Vario-Sonnar T* 4.0-5.6/70-300

    Contax 645 lens supported

    - Apo-Makro-Planar T* 4/120

    - Distagon T* 2,8/45

    - Distagon T* 3,5/35

    - Distagon T* 3,5/55

    - Planar T* 2/80

    - Sonnar T* 2,8/140

    - Sonnar T* 4/210

    - Tele-Apotessar T* 4/350

    - Vario-Sonnar T* 4,5/45-90

    - Sonnar T* 2,8/140 + Mutar 1,4x T*

    - Sonnar T* 4/210 + Mutar 1,4x T*

    - Tele-Apotessar T* 4/350 + Mutar 1,4x T*

    Camera bodies supported

     

    PDAF supported

    - A9, A7rIII, A7rII, A7II, A6300 and A6500

     

    Contrast AF only

    - other E mount bodies, like Nex6, Nex7, A6000, A7, A7r, A7s, A7sII, etc.

     

    AF not available

    - old bodies like Nex5, Nex3 and NexC3.

  • Services and Firmware for E mount adapters

    After-sale services

    14-days return or replacement

    Within two weeks after you purchased the adapter, if it works abnormal or not as described, you may return it to me and get full refund or a new replacement. Please contact me before you return it to me.

     1-year warranty.

    Within one year after you purchased the adapter, if you encounter any problem, you may send it back to me for repair. If it's not caused by abnormal usage, I'll repair it for free.

    Lifetime service.

    You can always rely on my after sale service, even after the free warranty period. But you may need to pay for relevant costs.

    Firmware update

    So far, the latest firmware version is v.31 which is shipped with your adapter. In the future, if Sony make any significant upgrade to their E mount bodies (just like the new PDAF capabilities introduced by A7rII), I'll modify the firmware to support those new features if necessary.

    You may find download link here when new firmware come out.

  • More information

    For your reference.

    The development info, users' feedbacks, etc. (Chinese only)

    Fringer Contax N/645 - E adapter Mk3 User's Manual

    Fringer Contax 645 - E adapter User's Manual

  • Buy it now!

    Find out which one you need!

    Fringer Contax 645 - GFX smart adapter (expedited shipping included.)
    $699.00
    Firmware V2.3. No false lens profiles anymore!
    Support all Contax 645 lenses on GFX50s with electronic aperture control, auto focus and EXIF info correctly recorded.
    AF performance is not as good as native GF lenses! Please download and read the user's manual before placing an order.
    Quantity
    Coming soon
    Fringer adapters for resellers
    $10.00
    This is for smart adapter resellers. $10 is not the price for one adapter. Please contact me before placing an order.
    Quantity
    Coming soon
    Fringer Contax 645 - Sony E full auto adapter (expedited shipping included.)
    $649.00
    Supports Contax 645 lens only. Nam-1 is not required any more. But you can't use Contax N lens.
    Check this for more details: https://drive.google.com/file/d/0B_g-9w3UdH04eVZGUm9HSjRJSWc/view
    Quantity
    Coming soon
    Fringer Contax N/645 - Sony E full auto adapter Mk3 (expedited shipping included.)
    $449.00
    Supports both Contax N and 645 lens. But you need a nam-1 to use C645 lens.
    Check this for details: https://uploads.strikinglycdn.com/files/d637e346-226d-4e5f-b1ee-7bc53199feb9/Fringer%20Contax%20N%20-%20Sony%20E%20retail%20-eng%20v.31.pdf
    Quantity
    Coming soon
  • Any questions?

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