The nitrided steel specimens, because of the hard nitride case and high near-surface compressive residual stresses, failed due to a fish-eye
type of fracture that originated at internal nonmetallic inclusions and tended to grow under opening mode I, regardless of the loading regime.
cameras are designed to map the whole hemispherical field in front of the camera thus fisheye lenses mostly obey one of the following projection models (Fig.
And its 25-year-old creator, who is billing the device as the world's first-ever digital fish-eye
lens, added he only came up with the invention because he could not afford to buy new equipment for his current camera.
A separate investigation has been done to find out how uniformly fish-eye
lens transfers the light to DSLR sensor.
lens: The angler is Mail photographer John Randle, dressed for the part and about to "land" his 35mm Nikon motor drive camera, with a fish-eye
Their underwater camera gives you a fish-eye
view of the Fish Forest, taking in tropical displays including piranhas and seahorses.
But Flickr regular Charlie Charlton's fish-eye
lens series has the power to startle.
The advanced lens design reduces the fish-eye
distortion typical of extreme wide-angle lenses.
HSBC and the police installed the fish-eye
mirror so users could see anyone lurking behind them after a rise in cashpoint fraud.
Plenty of time for another bit of cake, they thought as they talked to each other endlessly about fish-eye
lenses and high-speed motor drives.
Features include a custom fish-eye
lens creating small bright stars that remain spherical right down to the horizon.
The disorientation is heightened by druggily saturated, overheated color and fish-eye
anamorphoses that bring close closer and push distance farther away.