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Coastal Optics 60mm f/4 UV-VIS-IR APO Macro

A superlative multi-spectral lens with perfect color correction..


Blog posts, reverse chronological

2019

2019-07-20 Breakthrough Photography 6-stop ND Polarizer for Motion Blur in Broad Daylight + Reader Comments

2018

2018-06-26 Breakthrough Photography Magnetic Filter System

2016

2016-02-02 Breakthrough Photography Light Pollution Filter

2016-02-02 Breakthrough Photography Circular Polarizing Filters (CPOL)

2015

2015-10-27 Spectral Transmission of Digital Sensors

2015-04-17 Breakthrough Photography X3 10-stop Neutral Density Filter

2008

2008-07-05 Spectral transmission graphs

2008-05-02 Spectral transmission graphs

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