How to mount NFS?

I have setup my router at home with 3 nfs shares of my hard drives
i can mount it flawlessly with my streamer, but with mac its not working
i tried in finder to connect to nfs://server:/path but it fails.
I only managed to do so with NFS Manager, but it seems like a poor solution, isnt it?
its a paid app, thats for first..and i think its something should be emedded in the OS and work like P&P, with no 3rd party apps

Do any of you have some decent solution?

mfram said:

Try to connect to nfs://server/path in Finder. I know it's possible. I've done it before. If you are still having trouble, check the security settings on the sever side.

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Did you do it under lion?
As I've tried that syntax too but it didn't work.
And I don't have any permissions issues as another device of mine is working well with the nfs shares