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What does IF stand for?

IF stands for Internal Focusing

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 26 other meanings of IF in our Acronym Attic

Samples in periodicals archive:

Internal focus models are generally tougher and more stable, which is why waterproof models are usually designed with internal focusing systems.