I went with a few photo chums to the zoo.I am not really in favour of enclosing animals in small pens,they seem to either pace up and down ,loll about listlessly or continually groom themselves.All signs, I would think, of some distress.But I have just aquired a 55 -200 VR Nikon lens for the D100 so thought I would give it an outing. Recently went to Whipsnade thirty miles out in the country their other zoo much more animal friendly More at http://www.zsl.org/zsl-london-zoo//