Nikon D40x D40X User's Manual - Page 108
Technical Notes, Optional Accessories - lenses accessories
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Technical Notes Optional Accessories 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 D40x. Flash units (Speedlights) ML-L3 remote control Viewfinder accessories Lenses Batteries Software Filters AC adapters AC adapter connectors Use Only Nikon Brand Electronic Accessories Only Nikon brand accessories certified by Nikon specifically for use with your Nikon digital camera are engineered and proven to operate within its operational and safety requirements. THE USE OF NONNIKON 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 36×24mm. The size of the area exposed by the D40x, in contrast, is 23.6×15.8, meaning that the Lens picture angle of a 35-mm camera is approximately 1.5 times that of the D40x. The approximate focal length of lenses for the D40x in 35-mm format can be calculated by multiplying the focal length of the lens by about 1.5. Picture size (35-mm format) (36 mm × 24 mm) Picture diagonal Picture angle (35-mm format) Picture angle (D40x) Picture size (D40x) (23.6 mm × 15.8 mm) 96 Technical Notes/Optional Accessories
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