Yes, another security is bad topic!
Today was my mum's birthday and I got her a new camera with an attachable 55mm lens. Of course, since she was coming to the game tonight she wanted to bring it, so I checked the BMO website to see if the lens was too large or what not. The website said lenses that are 75mm or larger lenses are not permitted at the game so I figured it was safe to bring.
We got to the gate and they asked us to remove the lens so they could see what size it was (it didn't need to be removed as it's printed on the lens but the young lady made an honest and easily forgivable mistake). They inspected it and said it was okay and let us in.
A few minutes into the game we had two secuirty guards rush over and ask to inspect the lens. We showed them the lens and explained that security at the gate had already okayed it. They then said it was fine and left.
She took a few pictures (managed to get every frame of the first goal aside from when the goal was actually scored) until around the tenth minute another security guard came over and asked what size the lens was. My mum was getting very frustrated and explained that this was now the third time we've had it checked and he said we cannot have a lens that big at BMO. I said that on the site it says 80mm and he countered saying you can only have up to 75mm. He then walked off, leaving us with no real resolution and my mum put the camera away, so as to not cause any further issues (regardless of whether or not they're wrong).
I'll be calling my ticket rep at the next opportunity to make a complaint regardless of whether we're wrong, simply because of the inconsitencies between the three separate security checks.
I was wondering if anyone has any idea of the concrete rules for detachable lenses at BMO though or if this is another issue that is being dealt with differently by different guest services/security guards.