Canon EP-EX15. brand_Lomography The MF-4 back is film-tested

The MF-4 back is film-tested for spacing and works well

which is also called the 16566

This is an "autofocus" teleconverter with passthroughs for electronic contacts and mechanical focus coupling

The RF mode is a magnified image of the rangefinder only- basically an optical version of the Live View zoom mode on newer mirrorless cameras that makes accurate focusing easy

Canon EP-EX15. brand_Lomography The MF-4 back is film-testedCanon EP EX15 eyepiece extender in excellent condition. Gives 15mm of extension to the viewfinder and reduces magnification by 30%. Helps eyeglass wearers and those who are tired of getting nose prints on the rear LCD.