Simmod UV IR Cut Filter (82mm)

The Simmod UV IR Cut Filter (82mm) is a multi-coated optical filter designed to block ultraviolet and infrared wavelengths while allowing visible-spectrum light to pass through with minimal color shift.

Filter Format

• Rear thread size: 82mm
• Front thread size: 82mm
• Circular screw-in filter design

The front threading allows additional filters or accessories to be mounted when required.

Optical Function

The filter is designed to:

• Block ultraviolet light below approximately 380nm
• Block infrared wavelengths above approximately 700nm
• Reduce infrared contamination on digital sensors
• Minimize color shifting when using ND filters
• Reduce unwanted blue cast in high-UV environments

The filter is intended for use in:

• Digital cinematography
• Digital still photography
• ND filter workflows
• High-intensity daylight environments

Optical Construction

• Schott optical glass construction
• Multi-resistant nano coating system
• 28-layer coating structure:
  • 14 layers per side

The coating system is designed to:

• Reduce reflections and ghosting
• Improve light transmission consistency
• Resist oil, water, and dust contamination
• Improve scratch resistance

Mechanical Construction

• Precision-machined brass filter ring
• Slim-profile frame design
• Matte black internal finish

The brass frame is designed to:

• Reduce thread binding
• Maintain dimensional stability
• Improve durability during repeated installation and removal

The slim ring profile is intended to minimize vignetting when used on wider-angle lenses.

Mechanical Performance

• Screw-in threaded mounting system
• Maintains stable alignment during operation
• Front threading supports stacked filter configurations

The filter is designed for use in both photographic and cinema workflows.

Image Characteristics

The filter is designed to:

• Maintain visible-spectrum color accuracy
• Reduce infrared-induced magenta contamination
• Improve black neutrality when using ND filtration
• Minimize ultraviolet haze and color contamination

The effect intensity varies depending on:

• Sensor sensitivity
• Lighting conditions
• ND filter density
• Lens coatings and flare behavior

System Behavior

• Passive optical filter
• No electronic components
• Does not alter lens mechanics or optical calibration

Compatible with:

• Spherical lenses
• Anamorphic lenses
• Matte box workflows using threaded adapters

Notes

• Requires compatible 82mm front filter threads or step rings
• Particularly useful when combining with heavier ND filtration
• Filter stacking may increase the possibility of vignetting depending on lens focal length