Nikon D80 - Manual (Page 128)

116 Technical Notes / Optional Accessories
Optional Accessories
Lenses
Flash units
(Speedlights)
Viewfi nder
accessories
Filters
Batteries
Battery packs
Software
AC adapters
ML-L3 remote control
10-pin remote terminal
accessories
Technical Notes
One advantage of digital SLR cameras is the wide variety of accessories they support. See
our web sites or product catalogs for up-to-date information on accessories for the D80.
Use Only Nikon Brand Electronic Accessories
Only Nikon brand accessories certifi ed by Nikon specifi cally for use with your Nikon digital camera are
engineered and proven to operate within its operational and safety requirements. T
HE USE OF NON
-N
IKON
ACCESSORIES COULD DAMAGE YOUR CAMERA AND MAY VOID YOUR NIKON WARRANTY
.
Picture Angle and Focal Length
The size of the area exposed by a 35-mm camera is
36 × 24 mm. The size of the area exposed by the D80, in
contrast, is 23.6 × 15.8, meaning that the picture angle of
a 35-mm camera is approximately 1.5 times that of the
D80. The approximate focal length of lenses for the D80
in 35-mm format can be calculated by multiplying the
focal length of the lens by about 1.5.
Lens f/-number
The f/-number given in lens names is the maximum aperture of the lens.
Picture size (D80)
Picture size (35-mm format)
Lens
(23.6 mm × 15.8 mm)
Picture diagonal
(36 mm × 24 mm)
Picture angle (35-mm format)
Picture angle (D80)