About the item:

• With this adapter, you can use Contax/Yashica (CY) lenses on Micro Four Thirds (M4/3, MFT) Bajonett-Mount cameras.
• Focus to Infinity - Focus to infinity possible with all lenses.
• Solidly manufactured - the adapters are made of anodized aluminum, brass and copper.
• Lens can only be used manually. The aperture, focus, and zoom must be adjusted on the lens.
• Custom made - the adapters fit perfectly without tolerances.

Please note following common issues:

• Adapting APS-frame lens to full-frame camera, it may generate vignetting, some cameras could correct it by adjust "APSC", please contact us and provide your lens&camera model to check the way to correct it.
• Adapting full-frame lens to APS-frame camera (i.e: large format to medium format, medium format to 35mm, 35mm to micro 4/3) provides excellent edge-to-edge sharpness. The smaller image field helps minimize the effects of lens distortion and aberration by using the 'sweet spot' or center of the larger lens image circle. and it will magnify the focal length by 1.6 on Canon, 1.5 on Nikon and Sony, 2.0 on M4/3 camera.