Lighting accessory EUROLITE Diffuser Disc PMB-4 QCL 25° for QCL fixtures, 25° beam angle

EUROLITE Diffuser Disc PMB-4 QCL 25° for QCL fixtures narrows and shapes the output of compatible lighting heads to a defined 25° beam angle. The accessory mounts to matching QCL fixtures to reduce light spill, enhance beam focus and deliver more uniform illumination across the target area. Designed for stage, event and architectural lighting, this diffuser disc helps achieve precise beam control without altering fixture electronics or color mixing performance.

Advantages

The diffuser disc provides a consistent 25° beam angle that improves edge definition and reduces unwanted spill. It is simple to install and remove, enabling fast setup changes during events. The optical design preserves color fidelity and intensity distribution while improving uniformity within the beam. Constructed for compatibility with specified QCL fixtures, the accessory supports professional lighting workflows that require repeatable beam shaping.

Suitable for

Key specifications

How to use

Attach the EUROLITE Diffuser Disc PMB-4 QCL 25° to a compatible QCL fixture following the fixture manufacturer’s instructions for accessory mounting. Ensure the fixture is powered off and cooled before installing or removing the disc. Position the disc securely in the designated accessory slot or holder until it locks in place. After installation, power the fixture and verify the beam angle and uniformity on the target surface, adjusting fixture focus or position as needed.

Recommendations

Use this diffuser disc when a defined 25° beam and reduced light spill are required. Confirm fixture compatibility before purchase and avoid forcing the disc into non-compatible mounts. For precise results, test the accessory in the venue environment and adjust fixture placement or focus to achieve the desired beam edge and coverage.