Nikon 16mm f/2.8D Fisheye
# Q" I2 W% m7 t, z" \) v @+ R: x& sField of view (FOV) - horizontal, vertical, diagonal:
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8 X. g g# ~9 \3 `; u2 z•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
' ~. H6 K9 g8 C) D5 T8 J! e5 t•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
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Number of pictures required for a 360° panorama:' e" f' i# }; M! x: t$ Z" `
: @+ }8 ^( V3 g5 X6 h•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
" `- m$ N7 v# A0 Z6 I•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)
2 I/ u r* o# J•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z/ X$ Z$ e. V& A. G4 E+ n$ X
歪把子后,对角线170度上扬5-10度,然后补地面。(根据计算,没有亲自实践仅供参考) |