Nikon 16mm f/2.8D Fisheye6 y# I* F# h: N1 `
Field of view (FOV) - horizontal, vertical, diagonal:0 S$ ^4 o" h: t' p$ F$ z
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•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°) R% N" ?) _2 V
•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°! L$ P! n7 I' { T
6 i$ _( h! H/ E: J* R# H) iNumber of pictures required for a 360° panorama:" O5 u6 f1 ^. F3 W" V
) F a$ V- K- @. @; v; _7 b/ W) A P•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap); U1 N8 R6 C6 f6 e0 S1 ^( [8 \
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)* F" ]2 q& C# ~+ s2 H4 F
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z7 p4 c! U% n! j B$ c$ P6 q! g3 a
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) |