Nikon One-Touch Zoom 90s One-Touch Zoom 90s AF Quartz Date - Standard of Inspection

FCA54001-R.3567.A
- R1 • One Touch Zoom 90s AF -
[1] Standard of inspection
Item Standard of judgment Method and tools
Photography
function
Photography lens
·Focal length W: f=39.60mm±5%
T: f=86.80mm±5%
Check the above under the valve condition.
Photography resolution
Fixed point photography
equivalent to 40f
·W Center: 25.0 dots/mm or more
Periphery: 12.00 dots/mm or more
Brightness of chart surface: LV9
Speed light mode: Flash prohibition
Photography distance
From the front of lens barrel at W: 1.56m
(1.62m from 󲥬lm surface)
·M3 Center: 25.00 dots/mm or more
Periphery: 11.00 dots/mm or more
From the front of lens barrel at M3: 2.76m
(2.84m from 󲥬lm surface)
·T Center: 25.0 dots/mm or more
Periphery: 10.2 dots/mm or more
From the front of lens barrel at T: 3.17m
(3.26m from 󲥬lm surface)
(0.35d: Image surface 15.1mm/5 ring belts)
JC II chart
(4mm pitch)
Neopan SS
Microscope
Full aperture FNo ·W full apertur Fno.=4.97±5%
·T full aperture Fno.=10.90±5%
Obtain the full aperture Fno. by the actual
measured focal length.
Projector
Actual photography
performance
·There must be no harmful shading on a
picture.
Internal re󲥭ection, ghost and 󲥭are must
not hinder practical use.
Check by actual photography print.
Fuji SG-100
Pheripheral light
intensity
·Pheriphey light intensity must not be
extremely decreased.
15% or more at 0.5d
Check by actual sky photography.
Fuji SG-100
Color repeatability
·Color repeatability must be good.
Check by actual photography print.
Fuji SG-100
Distortion
·Distrotion must not be noticeable.
Take a picture of a linear object at W/T.
Fuji SG-100
CCI ·CCI must be within the ISO recommended
value.
Perform measurement at TELE.
Spectral
photometer
Eccentric dimness ·Eccentric dimness must not be noticeable.
Check by actual photography print.
Fuji SG-100