Quote Originally Posted by TML74 View Post
No advice for me ? should I buy both, try them and sell one of them... keeping the one I prefer ?
Thierry M.L.
Gee, you waited 10 whole minutes... patience is mandatory for what you want to do with your lenses. Edit - 12 hours and 10 minutes!
Get whichever one is cheapest, for long extensions such as you will be using for portraits, there won't be much difference. I'd go with the Apo Ronar, just to conserve bellows.