Nikon 16mm f/2.8D Fisheye
! w9 p& Z+ B* d/ T& ]1 @Field of view (FOV) - horizontal, vertical, diagonal:/ t- R, I9 [: p& t/ `$ `: S9 x/ }, Z
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/ w: L% k3 V9 g8 }5 L. I" q•Full-frame=16mm, HFOV: 137° | VFOV: 88° | DFOV: 170°
0 }* H% f$ K0 k! m•1.5x=24mm, HFOV: 88° | VFOV: 58° | DFOV: 107°+ G, S, K1 {/ B* i6 b' M2 o
; U2 t( i% l$ eNumber of pictures required for a 360° panorama:
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•Minimum (full-frame): N, 5 images every 72° at 0° pitch, Z (18% overlap)) L& j8 {/ E1 @( k$ Z; F
•Recommended (full-frame): N, 6 images every 60° at 0° pitch, Z (32% overlap)4 G; _4 p: @ p! s1 ]
•Minimum (1.5x): N, 8 images every 45° at -30° pitch, 8 images every 45° at +30° pitch, Z
/ h+ b/ d* w5 P7 j) d% d+ C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) |