2 I use (Leitz Focomat 1C XL, Ilford C700)

4 I could use if I set them up (Meopta Magnitarus 5X7, Devere 54 wall mount, Meopta Axomat 5, Mepota Magnifax 6x9cm)

5 I could use if I needed to (student 35mm enlargers I bought/saved for $5 each less lens)

4 In the Camera Collection (Zeiss Ikon, Durst from the 50's with Agfa Color head, Russian UPA6 in a suitcase, Kodak Miniature bakelite enlarger form the 30's)