I am about to buy an Omega Super Chromega Dichroic D II enlarger. It comes with the D-B Mixing Chamber 2 1/4x 2 3/4. I would like to know if I can use this Mixing Chamber for 4x5 negatives or the only way is to buy the D-D 4x5 Mixing Chamber (if I can find it). Thyank you for your help