The Macbeth TD-528 Transmission Densitometer is a precision film and lab instrument used for measuring the density and transmission of various materials in darkroom settings or printing labs. This model is designed by Macbeth, known for its quality and reliability in the printing and graphic arts industry. The TD-528 is essential for ensuring accurate color calibration and consistency in printing processes, making it a valuable tool for professionals in the field.

Professional Macbeth TD-528 Transmission Densitometer, manufactured by Macbeth (Kollmorgen Corporation). This is a bench-top laboratory instrument used to measure optical density of transparent materials such as photographic film and negatives.

Built for darkrooms, film labs, printing, and scientific use. Heavy-duty, all-metal construction.

This does not have the glass insert!!!!!

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🔹 What It Measures

• Optical density of transparent media

• Film negatives & slides

• Photographic and motion-picture film

• Laboratory and graphic arts applications

(This is a transmission densitometer, not reflective.)

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🔹 Key Details

• Model: TD-528

• Manufacturer: Macbeth (Kollmorgen Corp.)

• Power: 115V | 90W | 50/60Hz

• Made in USA

• Bench-top, cast-metal construction

• Zero and power controls on head

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🔹 Condition

• Powers on

• Normal cosmetic wear from lab use (see photos)

• Calibration status unknown

• No manuals or calibration standards included

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🔹 Included

• Macbeth TD-528 densitometer (unit only)

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🔹 Common Uses

• Darkroom photography

• Film processing & restoration

• Graphic arts / printing

• University & lab environments

• Analog photography collectors