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OPF 550-L [BASE]
Layer-X BASE Frame
OPF (Optical Preset Filter) is a camera lens filter designed to layer sensation into photography by controlling specific wavelengths of light, allowing balance, atmosphere, and a gentle sense of depth to emerge in the image.
With an optical design targeting wavelengths around 550 nanometers, OPF organizes the characteristics of green light, stabilizing color balance while subtly shaping light edges and overall transparency across the frame.
Two diffusion types are available: S / L, each offering a different level of light spread. L (Light) introduces a more expressive diffusion, creating clearer changes in highlight bloom and a smoother, more expansive spread of light, while maintaining a natural and well-balanced look.
As a BASE filter within the Layer-X system, OPF 550-L is designed for everyday use—a reference filter that preserves balance while gently widening the range of expression that can be layered on top.
Free Lightroom Presets for OPF Users
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A new generation of optical filters that layer sensation into photography

Advanced optical technology, refined in Japan

Layer-X — A new layered filter system

Digital Preset File
Making expressive photography more accessible by embracing digital strengths

Before and After of OPF 550-L [BASE]

Non Filter

OPF 550-L [BASE]
Choose S or L by the Spread of Light

Non Filter

OPF 550-L [BASE]

OPF 550-S

Digital Preset File
#550CreamSoda
Complimentary Lightroom Preset for OPF 550-S / L


Digital Preset File
Mainz for OPF550
Complimentary Lightroom Preset for OPF 550-S / L
OPF 550-L [BASE] User Gallery
Blog posts

How to use lens filters on RICOH GR series
To use filters with the RICOH GR series, each model requires its own dedicated adapter. This page outlines the necessary accessories for GR, GR II, and GR III.
CDF-S / CDF-L live-action comparison
Please take a look at the comparison photos of the night view at dusk when the CDF, which renders light in an impressive way, is more effective. "1. Comparison between CDF-S and CDF-L", "2. Compa...






