Quality varies wildly with these, esp. when you get into the smaller (wider) multipliers. I would stick with the more reputable brands (Century Optics, Canon) unless you have the chance to try before you buy (or a source with a great return policy). Since they aren't actual lenses but rather lens adapters, also remember you are adding another piece of glass to your whole lens assembly (with your existing zoom already wide - meaning more of the surface of the lens in focus) so keeping things clean and the aperture as open as possible becomes crucial.
OTOH, the weird distortion from the cheapo brands can be great for those of us who like the option to turn our camcorders into video Holgas/Dianas/Lomos when the mood strikes. Brook _______________________________________________________ Brook Hinton film/video/audio art www.brookhinton.com <<vlog links are here TRACE GARDEN now available in flash format on Blip! tracegarden.blip.tv ________________________________________________________ [Non-text portions of this message have been removed]