Nikon D90 - Digital Camera SLR Daftar Periksa dan Manual Operasi - Halaman 15

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Nikon D90 - Digital Camera SLR Daftar Periksa dan Manual Operasi
Camera Pointing Angle
Camera pointing angle is the angle below the
horizon.
In a Cessna 182 or Cessna 172 with a photo
window it is not possible to get a pointing
angle much greater than 45 degrees. Smaller
angles result in the photos being greater in
extent perpendicular to the direction of flight
and thus lower resolution at ground-level.
Haze also becomes more significant at smaller pointing angles. 45 degrees is an excellent
choice although 30 degrees is a reasonable compromise.
Setting Camera Pointing Angle
Taking photos with a consistent pointing angle requires the use of a monopod. The
following pictures show how one squadron sets the pointing angle using a locally
fabricated guide. The guide shown is for 45 degrees.
Camera mounted to monopod. Mono pod rests on seat.
Pointing angle set using guide. Photographer holds
15
monopod so camera
does not rest against
the photo window
Lens set to 45 degrees