Nikon 16mm f/2.8D Fisheye% \6 | W% V+ K* p2 u
Field of view (FOV) - horizontal, vertical, diagonal:9 w5 w F. n2 I2 O7 U
: |9 {6 o3 T8 P8 e
5 p8 {/ D6 v: p8 @6 c& l% k•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
& w( r- ]2 k8 s5 H( h) v/ ] q0 o•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°8 \ J/ u* K B) e# u3 v
4 @2 X, `. j7 ?+ A) ^4 o8 `Number of pictures required for a 360° panorama:/ Q8 a/ Y" H; p @
7 N* ?! j7 ]6 M+ k•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)
6 S9 i% p# R n7 P•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)3 S4 C6 H5 R/ r- o" o
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
9 f7 f5 N) a& F6 C/ Y3 ^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) |