Nikon coolpix7900, Руководство по ремонту

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VAA46003-R.3659.A
- R2･ E7900 -
Item Criteria Applied tool(s)
Operation/Operability
Operation touch
Battery/Card cover
External terminal cover
・
When operating a lever or knob by hand, any irregular conditions
shall not be required.
(Operate the camera in the actual photography procedure and check
the operation touch.)
・ When closed, there must not be an extreme play.
・
The cover can be opened/closed without any outstanding
“
caught-
in-mechanism ” touch or “ rubbed-in-mechanism ” touch.
・ The hinge unit must not have an extreme play.
・ The cover must be opened/closed correctly.
・
The cover must be closed without an extreme play.
Lens capacity
Focal length
Open aperture F No.
Wide-end position (Perform measurement at the “ ∞ ” position.)
7 . 8 mm + 7 %
- 2 %
Tele-end position (Perform measurement at the “ ∞ ” position.)
23 . 4 mm + 2 %
- 9 %
Wide-end position (Perform measurement at the “ ∞ ” position.)
F 2 . 8 + 7 . 8 %
+ 1 . 5 %
Tele-end position (Perform measurement at the
“ ∞ ”
position.)
F 4 . 9 + 9 . 9 %
+ 4 . 0 %
Focal length
measuring instrument
Lens drive tool
Peripheral light reduc-
tion
Ghost/Flare
Ghost in the surface
light source
Distortion
・ Design value (Reference, imcluding macro)
Opposite Long side Short side
Wide 50 . 6 % 77 . 7 % 86 . 5 %
Middle 76 . 3 % 82 . 9 % 89 . 1 %
Tele 78 . 1 % 87 . 4 % 91 . 3 %
・ There must not be an outstanding ghost/flare.
・
There must not be an outstanding flare at the center.
・
There must not be an outstanding deformation.
Visual observation