1.8 f stop versus 2.0 f stop

[mikecardiff]

Greetings... I am shooting indoor dog shows and indoor swimming events, and wondering if anyone has experience in such situations or similar settings comparing 1.8 to 2.0... would there be a significant difference in light captured, focuss speed, etc? Thanks, Mike

 

[Sideburns]

No, there really wouldn't be THAT much difference. It's only 1/3 of a stop.