Revar Cine 138mm / 49mm Close-Up Donut Diopter +0.25

Professional Spherical Distortion and Close Focus

The Revar Cine 138mm / 49mm Close-Up Donut Diopter +0.25 is a specialized optical tool designed for cinematographers seeking to create unique spherical distortion while maintaining a sharp center point of focus. By utilizing a precision-cut 49mm center hole, this diopter allows for consistent framing and exact placement when switching between different strengths.

Premium Schott BK7 Glass

Engineered for high-end cinema lenses, this diopter features Schott BK7 glass. This premium material offers a refractive index similar to professional lens elements, ensuring that your image quality remains uncompromised. Manufactured to the highest tolerances, it is designed to outperform standard diopters in clarity and performance.

Versatile Compatibility and Design

The 138mm diameter ensures maximum compatibility with wide-angle lenses, preventing vignetting in most professional setups. It integrates seamlessly into industry-standard workflows, fitting the following holders:

• Bright Tangerine ONE Tray
• Arri 138mm rear filter holders
• Revar Cine Double Tray

Fine-Tuned Optical Effects

The +0.25 strength provides a subtle shift in close-focus capability, ideal for incremental adjustments. This specific configuration with a 49mm hole is optimized for maintaining a clear central spot even at wider apertures, allowing for creative depth-of-field manipulation and artistic edge distortion.