Lens For Canon

Helen asks…I would like to start shadowing a local wedding photographer. What lens would be best to use with a Canon XTi?Currently, I have three lenses: Canon EF 28-135mm f/3.5-5.6 IS USM AF Zoom Wide Angle-Telephoto Lens, Canon EF 50mm f/1.8 and Canon EF 85mm f/1.8 USM Telephoto Lens. What am I missing? Also, which of these would be best to use in a church that is very dimly lit?mr.eos answers:Your missing the part where you ask the pros permission and then have them tell you which lens to

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