Having extra long eye relief like the 5" in the Omega scope generally  (but not always) results in a narrower field of view.   Also, compact scopes usually have a smaller FOV too.  I would call the Omega almost a compact scope, since most scopes in that 3-9 area are at least an inch or more longer.  Compare the Burris FFII 3-9 to the Burris 3-9 compact and you'll see what I mean.  I've yet to lay hands on one of the Omega's.  Bass Pro Shops and Dick's Sporting Goods carry them, but have been sold out for a while.  I'd like to check one out, because the 5" eye relief appeals to me.  I crawl the stock pretty bad, and sometimes I get bit.  Very rare now, but I forget to be aware of the eyepiece every once in while.  I don't really care about the variable range of the scope, because I'd probably leave it on 5x forever.