1. Tetrode - OM4, OM4Ti, 50 f3.5 Macro, 50 f1.4, 28 f2.8, 75-150 f4, 35-70 f4.
2. Boochap -OM1/2Sp/3T/4T.. 24f2, 24f2.8, 35f2, 50s, 90f2, 100f2.8, 135f2.8, 180f2.8, 300 f4.5, 35-105, 65-200, 65-105 extension, etcetc.
3. lypklypk - OM-1, 50 f1.8
4. djork - OM2, OM2Sp, 50 f1.4, Tamron...