Tiffen #29 Dark Red Filter (49mm) Duve & Specialty Tapes The SparkFun Guide to Processing

The SparkFun Guide to Processing teaches you to craft your own digital artwork and even combine it with hardware

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Tiffen #29 Dark Red Filter (49mm) Duve & Specialty Tapes The SparkFun Guide to ProcessingStrong Contrast and Separation of Tones Stronger than a #25 Red Filter Extreme Contrast with a Polarizer Makes Skies Dramatic and Darker Used in Forensic or Infrared Photos ColorCore Technology The 49mm #29 Dark Red Filter from Tiffen is a filter designed to build contrast in black and white photography and separation between tones. In landscape photography, clear skies are darkened and when combined with a polarizer, a very extreme contrast is added