Microscopes. Marking of objectives and eyepieces1 Scope This International Standard specifies the format for the marking of data or symbols for optical characteristics on microscope objectives and eyepieces and the positioning of the data. It makes recommendations for the marking of additional information, particularly colour coding of rings designating the magnification of objectives and the immersion media with which they are used.

designation HR 40C

Why should you use ISO 787-4 -Pigments and extenders

What is PD CEN/TS 16555-7about

tariff and load control

The safeguards established against hazards will be extremely beneficial to protect the product end-users from any potential damage to life and property

gas-shielded

What does the standard cover

such as basic project data

0005 % (m/m) to 0

self and forced-air cooled

What is BS EN 4399 - Threaded rings about

specified as an integer multiple of the rated current