On 26/7/05, Rob Studdert, discombobulated, unleashed: >The Pentax fish-eye lenses are what is generally referred to as full-frame >fisheyes in that their image circle doesn't fit within the frame but is >designed to provide 180 degrees across the diagonal of the frame. A full- >frame >fisheye lens designed for 35mm film use will provide a diagonal angle of view >of approximately 118 degrees across the DSLR frame. Due to the spherical >projection type the more visible distortion visible in a full 35mm frame will >be cropped so it will render more like a rectilinear lens with severe barrel >distortion.
Has anyone tried using the Pentax 17mm f/4 on a DSLR? I was really impressed with it on a film SLR when I handled one a few years ago. It was magic. Cheers, Cotty ___/\__ || (O) | People, Places, Pastiche ||=====| http://www.cottysnaps.com _____________________________

