UMA / PRODUCTS / Lens MTF Tester
DSC-E1WE

1

DSC-E1WE is one of DSC-E1 series products. It not only has the same functions as DSC-E1 but also capable of supporting 180 degree Field of View inspection for mass production. It is very suitable for MTF testing of wide angle or Fish Eye lens.
 
 
Features
  • DSC-E1WE support FOV 180˚ test with tray. When handling the tray Dome will be automatically lifted to improve the handling convenience.。
  • MTF Test and Distortion correction can be used with the same reticle. It is more cost-effective.
  • Combination of 9~25 image regions provides customers to purchase upgrades and expansion easily.
  • Enhanced structural design allows the machine can be being used in general factory environment without any additional vibration isolator.9~25 image regions.

2

MTF 9 ~25 image regions
DOF Depth of Focus
FBFL Flange Back Focal Length
Magnification Center
EFL  
Image Plane Tilt Angle & Azimuth
Focus Tilt Curvature Height
Through Focus  
Limit Resolution  
S.F.R Spatial Frequency Response
CRA Chief Ray Angle
Image plane Correction  

3

Normally Average Test Time / per Fix Lens
(including Through Focus、DOF)
9~25 image regions < 3.0s
MTF Repeatability (excluding load & unload) Delta MTF : (<= 180lp/mm)
on axis <= 1.5 ; off axis <= 2.5
Maximum Measuring Frequency 300lp/mm
Limited FBL > -3.0mm
Limited Image Circle ≦12mm  ( >12mm customized)
Collimator Lens EFL : 25mm/35mm/50mm
FOV Range (optional) Bracket A.(Typical) : 20˚ ~ 75˚
Bracket B. : 60˚ ~ 120˚
Bracket C. : 90˚ ~ 145˚
Bracket D. : 120˚ ~180˚
XY Auto Centering Accuracy / Range 3um ; ±0.15mm
Limited Measuring Journey of Tray 130mm at X & Y Axis
Light Source 15V /150W Halogen Lamp
Machine Dimensions(cm) 142cm *76cm *160cm
Machine Weight(Kg) 220 Kg
Power Supply AC220V/10A
Software Operation Windows 7