The MidOpt 40/20 Scratch-Dig Standard

Most MidOpt filters are designed with a 40/20 scratch-dig ratio. What exactly does this mean in terms of your image results? Surface quality is important for optimal image results

MidOpt Filters Where Image Quality Begins - Site ftp Elvitec

Midwest Optical BN470

MidOpt Bandpass Filters

Product - Shortpass / NIR Cut Filters

Uniforce Sales and EngineeringMidOpt Filters - Uniforce Sales and Engineering

Scratch / Dig Specifications - Mark Optics

Midwest Optical Filters Blue Bandpass Filter, 30.5 mm Thread

Understanding Surface Quality: A Practical Guide, Test & Measurement

MidOpt PR032-34 Linear Polarizing Filter, Used to eliminate or greatly reduce glare, rotating linear polarizers offer maximum flexibility and ease of

PR032-34 Linear Polarizing Filter (M34 x P0.5)

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