sticking with halogen

  1. A

    Cooked Altman 65 fresnels, worth fixing?

    I have recently been approached about getting a lighting rig back in good operating shape and have discovered that all the fresnels (Altman 65's) had at some point been over-lamped with BTRs (1000w) lamps. Most work but some don't (from what I've heard), they all have significant surface finish...