Programmable Chip of  4 Generation

Original AF chip "Dandelion"

by Victor Lushnikov

Made in Europe

 

 

  One of the problems of using manual focus lenses on Canon EOS bodies is that focus confirmation is disabled. When AF lenses are used - even in manual focus mode - all Canon EOS bodies confirm focus with a green dot in the viewfinder and an (optional) audible beep. 

However when non-EF compatible lenses are used via an adapter, the focus conformation is disabled. Canon didn't have to do this, but they chose to. Unless the camera thinks that an EF compatible lens is attached to it, it switches off both visual and audible focus indication. 

If the camera could somehow be tricked into thinking an EF lens was attached, then the focus confirmation indicators should work with any lens attached. Well, this is just what the developer of this special AF chip has done.  


Tested with: 

CANON EOS 300D / Digital Rebel / Kiss Digital
CANON EOS 350D / Digital Rebel XT / Kiss Digital N
CANON EOS 400D / Digital Rebel XTi / Kiss Digital X
CANON EOS 450D / Digital Rebel XSi / Kiss Digital X2
CANON EOS 500D / Digital Rebel T1i / Kiss Digital X3
CANON EOS 500D
CANON EOS 600D
CANON EOS 650D
CANON EOS 700D
CANON EOS 750D
CANON EOS 1000D / Rebel XS
CANON EOS 1000D
CANON EOS 1100D
CANON EOS 1200D
CANON EOS D30
CANON EOS D60
CANON EOS 10D
CANON EOS 20D
CANON EOS 20Da
CANON EOS 30D
CANON EOS 40D
CANON EOS 50D
CANON EOS 60D
CANON EOS 70D
CANON EOS 80D
CANON EOS 5D
CANON EOS 6D
CANON EOS 7D
CANON EOS-5D Mark II
CANON EOS-5D Mark III
 CANON EOS-5D mark IV
CANON EOS-5Ds
CANON EOS-5Ds-R
CANON EOS-1D
CANON EOS-1Ds
CANON EOS-1D Mark II
CANON EOS-1Ds Mark II
CANON EOS-1D Mark II N
CANON EOS-1D Mark III
CANON EOS-1Ds Mark III
CANON EOS-1D Mark IV
CANON EOS-1Dx
CANON EOS-1Dx Mark II
 



Specifications:

Aperture- From F1.0 to F64
Focal length- From 1 mm to 65535 mm
Correction of focus confirmation dot
(calibration of front / back focusing)
- 17 levels
Focus mode- AF / MF
Entering program mode- Delay from 1 sec to 99 sec
(with each step of 1 sec)




 


Evolution of AF confirmation chip

From autumn 2008 the new AF emulator chip generation 4 are produced. Externally the new AF emulator chip looks exactly like the previous version, but internally it’s completely revamped. As from Spring 2009, this emulator chip has improvement to the quality of metal contacts (i.e. the gold plated contacts are much more shiny and therefore quality of contact to the camera pins are better!)

The new version has the programming option, that is, you can change AF emulator chip’s aperture and focal length settings without removing it from the camera. In addition, the new AF emulator chip has calibration function that makes focus confirmation more accurate.

The new AF emulator chip doesn't use the MF mode (at default setting) because now focusing works with AF (autofocus) mode. Firstly, this improves focusing accuracy. Secondly, this enables the user to calibrate AF emulator chip for different kinds of lenses. Thirdly, the AF confirmation beep is now available for all cameras (e.g., for film camera EOS 3000N). Focusing sensor is much more sensitive in this mode.

Another new feature is the "hard" blocking of shutter release until you get the confirmation signal. If you hold the shutter release when fully depressed, the shot will be taken immediately when you get the AF confirmation signal. This allows taking fast-moving subjects.

Lastly, the most important advantage of this new version is the ability to change settings of AF emulator chip using the Camera itself. See programming instructions.

This AF emulator chip is suitable for all Canon EOS digital and film cameras.


Sample:




Canon 350D + Helios 40 (80mm F/1.5)

Kit included:



  • AF confirmation chip
  • - 1pc
  • Special plastic corner  
  • - 1pc
  • Detailed programming instructions
         English
         Germany
         French
         Portugal
         Russian


  • Direct delivery from the factory.


    Comparing original AF Chip with China chips


    AF Chip "Dandelion" was developed by Victor Lushnikov in 2005. But after some time guys from china made a copy from chip of first generation. (Like they make copies of iPhones).Sure these copy is chipper, but it still not original!


    Original "Dandelion" Chip IVChina copy-cut China copy-cut with EMF
    Made inEuropeChinaChina
    Form Factorsmall chip in black plasticbare PCBbare PCB
    Quality of ContactsGold Contactsusual metalusual metal
    ProgrammableYesNoYes
    ApertureFrom F1.0 to F64F2.0From F1.0 to F45
    Focal lengthFrom 1 mm to 65535 mm50 mmFrom 1 mm to 65535 mm
    Calibration functionYesNoYes
    E-TTLYesNoNo
    AF/MF modeYesNoNo
    Small and ThinYesNoNo

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