Zeiss Siemens Star Test Chart

The ZEISS Siemens Star Test Chart is a professional optical calibration tool designed for accurately adjusting lens back focus and verifying focus performance. Widely used in cinema and broadcast applications, it is especially useful when configuring ZEISS CP.2 lenses after mount conversions between PL, EF, and other camera mount systems, ensuring precise focus accuracy and optimal image sharpness.

The ZEISS Siemens Star Test Chart is a precision-engineered focus calibration target trusted by imaging professionals for decades. Designed to assist with accurate back focus adjustment, the chart enables technicians and cinematographers to precisely align lenses with individual camera systems, helping maintain critical focus accuracy and image sharpness.

Featuring the classic Siemens star pattern, the chart provides a clear visual reference for detecting front-focus and back-focus issues. It is particularly valuable when adjusting ZEISS CP.2 cinema lenses following mount conversions, such as switching between PL and Canon EF mounts, where precise flange focal distance calibration is essential. By ensuring proper lens alignment, users can achieve reliable focus performance, accurate focus marks, and consistent image quality across various shooting conditions.

Ideal for lens servicing, camera setup, and optical testing, the ZEISS Siemens Star Test Chart remains a trusted tool for professional cinema, broadcast, and production environments.

Key Features

• Professional Siemens star focus calibration chart
• Designed for accurate lens back focus adjustment
• Helps optimize focus accuracy and image sharpness
• Ideal for ZEISS CP.2 lens alignment and calibration
• Useful after lens mount conversions (PL, EF, and other mounts)
• Assists in verifying proper flange focal distance settings
• Trusted by cinema and broadcast professionals
• Suitable for camera and lens servicing applications