Active standard | Published: 31/10/2026

ASME B1.11-1958(S2021):1958

Microscope Objective Thread

Available languages: English

Available design: electronic (protected pdf), Print design

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Detail information

Designation: ASME B1.11-1958(S2021):1958

Publication date: 31/10/2026

Pages: 12

Country: American technical standard

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Anotation

This standard covers the screw thread used for mounting the objective assembly to the body or lens turret of microscopes. It is based on, and intended to be interchangeable with, the screw thread introduced and adopted many years ago by the Royal Microscopical Society of Great Britain, generally known as the rms thread and now almost universally accepted as the basic standard for microscope objective mountings.

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