James Danziger, a well-known photography dealer in New York, is another high-profile defector from the fine art world.

Sold through major photography dealers and on the Web, the camera is connected to a counterbalanced frame on a free-moving gimbal mount with a handgrip.

He is now a photography dealer in Brooklyn.

The show at Robert Mann is this photography dealer's first venture into the 19th century.

Deborah Bell, a private photography dealer, recently sold five vintage August Sander portraits.

Mr. Wester, a private photography dealer, ran Christie's photography department for nine years, until 2001.

In particular he cited Jane Jackson and Fay Gold, both photography dealers in Atlanta, where he has a home.

"She was very efficient," said Robert Burge, a photography dealer.

Next month, though, Robert Mann, a private photography dealer for seven years, will go against the trends and open a Manhattan gallery under his own name.

Paul Cava (b. 1949, Brooklyn, New York) is an American artist photographer and private photography dealer and publisher.