Longest
Canon .. 100-400 +1.4x TC and also a 2x TC (which sucked on the 100-400)
Sigma .. 500mm f/4.5
Fuji scope .. with a SLR attachment and 30D .. 800mm+ .. IQ = sucky
Widest
Canon 10-22mm on Canon 30D ... 16mm effective
Stuck a 14mm on a film camera once, and regulary shot with my old 15mm fisheye. Loved that lens, till it was stolen now i shoot commonly with a 10 or 16mm on my 40D and 1Ds.
Shortest EVER would have to be a 1.7mm lens I used for a video camera at work
Looked like this
And if were talking equivalents the longest i ever shot with was a 300mm with 2 2X's stacked on a 1/4" video camera. So thats about 9000mm
Shook like crazy even on the tripod. image quality was OK even @ 480 lines lol
I did not have a stable enough tripod to really match these lenses on my 40d, so I had to use fast shutter speeds to get anything sharp at all.
I've also had a Canon 400mm 5.6. It totally blows the other two lenses away for color, contrast, and sharpness. A high shutter speed is needed as well, but even with a little movement, its still outstanding.
It is incredible reach and it is probably a piece of junk but maybe anybody can tell us if it is of use for astro or birds? It's not too expensive at 445 euro.
.. with a SLR attachment and 30D .. 800mm+ .. IQ = sucky
Do you have some samples of this Hubble Telescope setup?
now i shoot commonly with a 10 or 16mm on my 40D and 1Ds. 