Quote Originally Posted by Ian Grant View Post
Yes a 135mm will give a significantly smaller enlargement at the same height, in a small dark-room with height limitations it's much better to use a 135mm. I do use a 160mm as well but I'm using a 10x8 enlarger with a drop bed and no height restrictions. I;ve used a 135mm Componon, now a Componon S since 1976 always with great results.

I think you have a typo in here Ian, especially comparing 135 to 135 A 150mm will give a smaller enlargement than a 135mm.