: I took the kids to the circus last night and I wanted to test some low light hand held photography. I brought with me my old Tamron 80-200 zoom which is about 8" long. I was soon approached by a security guard who asked me 'Is that a long lens?' 'Not to me,' I replied. I was informed that any lens longer than her thumb was considered a professional lens and I was not allowed to use it. : I laughed in her face. My Rebel and my eBay 20 year old Tamron! : With 6 kids watching the show I decided to let it go thinking she would find someone else more rewarding to harass but everytime I turned around she was right there. : Next time I'll print up a 'Circus News' press pass and get a better shooting position. Of course I'll have to bring my collapsable Kodak flash bulb holder to really impress them. Come on Greg, use your wits to confound them! I strongly recommend disassembling the lens, secreting the bits about various children and reassembling it once inside. Alternatively use a number of children all at once to distract the guard by having them wander up to guards crying and saying they're lost. Children can be a very handy addition to your photographic gadget bag k