Lighting is very important both for the fundraising auctioneer and the audience. For the live benefit auction, get those house lights on full. The dim lighting common at dinner events is not conducive to an exciting charity auction event. It tends to make the audience feel drowsy and subdued when you need them to be energetic and excited! They must be able to easily see what is going on.
Also, it is important to direct the lighting toward the crowd and not the charity auctioneer. A benefit auctioneer that is being blinded by a spotlight is not going to be able to “read” the crowd and is going to fail to see bids.
Ideally a fundraising auctioneer should be placed on a stage that does not have seating behind or to the sides of it. He needs to have all members of the audience within visibility at all times. When a charity auction event has a platform or stage that is in the middle of the crowd, which can be effective, more professional auctioning staff will be required to work with the audience.