[R] Help with acf

[Stephen Opiyo]

I would like to get the result of acf min of lag 2 and max of lag 50. 
 When I use time series  ( acf,  lag.max = 50, type="covariance"),  I 
got lag 0 to lag 50.  How do I get lag 2 to lag 50?

Sincerely,

Stephen