Curious: Av & Tv?

[synapseman]

How did Av and Tv come to be annotations for Aperture-priority and Shutter-priority modes respectively?

 

[nightwolf75]

How did Av and Tv come to be annotations for Aperture-priority and Shutter-priority modes respectively?

Av - Aperature Value
Tv - Time value (which is essentially shutter speed anyway...)

i kid u not...

 

[synapseman]

Simple, yet enlightening.

Thanks!

 

[LittleWolf]

Av - Aperature Value
Tv - Time value (which is essentially shutter speed anyway...)

i kid u not...

Also, those abbreviations are pretty much a Canon-ism. Other manufacturers use different symbols.