Nikon 16mm f/2.8D Fisheye
' c( ~8 J7 v! ]" a. mField of view (FOV) - horizontal, vertical, diagonal:6 Q6 j" k# \; b1 m/ H- k4 g
/ t" @4 r! C4 Z2 R* H7 Z
! I+ O* @ v" t* Q3 d9 W
•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
0 s# H; \! `" w2 e6 b! m9 C•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°
7 D) s0 U7 N3 X5 i& `; G
& r7 _" G+ {' f6 XNumber of pictures required for a 360° panorama:0 p3 X, n9 c& p/ `
2 ?# d2 ^, {8 H
•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap), X! A' N3 C9 g4 _* o+ ?0 L, ^
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)+ H k5 ]+ A$ o% o- _% U o
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z) z! a' K1 ^: ^+ A# 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) |