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RA-532H

Surface Reflectance Analyzer

Item Code: 2539C001AA
Video - Surface Reflectance Analyzer

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Surface Reflectance Analyzer

A Winner of 2017 Good Design Award

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Features


*1  Bidirectional Reflectance Distribution Function represents the angular distribution of reflection light intensity that indicates in what direction and how much light is reflected when light is incident


1.    One shot analysis of all 4 surface conditions; Gloss, Haze, Image Clarity, and BRDF
Features 1 - Analysis of Four Surface Conditions

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2.    Scattering, Canon’s proprietary index, quantifying the diffusion of BRDF for specular components

Scattering (C20 and C60) quantifies how the specular component of BRDF is scattered and produce the identical output for those images which are different in brightness but have the same BRDF shape.

BFDF Shape
What can Scattering do which DOI and IC cannot?
  • Accurately evaluate quality of materials when metallic or color materials are laid, which DOI and IC fails to measure.

  • Capable of evaluating not only glossy surfaces but also diffusing surfaces such as textured and matte surfaces which DOI and IC are incapable of.

C20 / C60 Scale

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3.    Simultaneous measurement and output of 3 lighting angles of 20°, 60°, and 85°
Features 3 - Output Three Lighting Angles

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4.    2-D BRDF measurement suited for evaluation of matte and textured surfaces

BRDF is measured in both 1-D and 2-D, suitable for evaluation of matte and textured surfaces.

Features 4 - Analyzer Screen
Features 4 - Analyzer Software
Canon’s areas sensor collects 2-D BRDF data quickly.
Features 4 - Area Sensor

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5.    Monitoring camera to check measurement area for each lighting angle
Features 5 - Monitoring Camera

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Specifications


 
Gloss
Haze
Image Clarity
Scattering
BRDF
Compliance Standards

ISO 2813,
ASTM D523
JIS Z8741
DIN 67530

ISO 13803
ASTM E430
(JIS K7374)*1 - -
Lighting Angle 20°, 60°, 85° 20° 60° 20°, 60° 20°, 60°
Lighting Size 10 × 4mm (20°±0.5°), 10 × 8mm (60°±0.2°), 5 × 15mm (85°±0.1°)
Resolution 0.1GU 0.1HU 0.1% 0.1U 0.001 *2
Measurement Range 0 ~ 2000GU (20°)
0 ~ 1000GU (60°)
0 ~ 160GU (85°)
0 ~ 300HU 0 ~ 100% 0 ~ 1000U 0 ~ 3000 *2
horizontal axis: ±5°
vertical axis: ±2.5°
Reproducibility 0.2GU (0.2%, 100GU or more) 0.2HU (0.2%, 100HU or more) 1% 0.2U (1%, 20U or more) -
Instrumental Error 1GU (1%, 100GU or more) 1HU (1%, 100HU or more) 10% 1U (10%, 20U or more) -
Measurement Time 4 seconds or less (based on calculation of all the parameter references)
LCD Display Language English, Japanese
Number of Stored Data 1000 *3
Light Source White LED
Power Supply Lithium-ion Rechargeable Battery (3.7 VDC, 2450mAh), USB Bus Power Supply (5 VDC, 500 mA)
External Dimension
(W x L x H)
Measuring Device: 60 × 143.5 × 57.3mm, Calibration Unit: 69.7 × 155.3 × 28mm
Weight Measuring Device: approx. 350g, Calibration Unit: approx. 80g
Interface USB2.0 High-Speed, Bluetooth Ver3.0 + EDR
Operating Environment 10 ~ 40°C, 80% Rh or less (No condensation)
Storage Conditions -20 ~ 50°C, 85% Rh or less (No condensation)

*1  It is not based on JIS; however, using Canon proprietary processing, it outputs measurement values which are equivalent to the standard.
*2  The amount of reflected lights on the reference plate of calibration unit is set to 100.
*3  The number of data to be displayed is 100.

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Date
09/13/17
File Size
593 KB
Date
05/12/17
File Size
394 KB

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Video

Canon's Portable Surface Reflectance Analyzer with 2-D BRDF


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Scattering

Scattering (C20 and C60) is Canon’s proprietary index for overcoming the shortcomings of DOI (Distinctiveness of Image) and Image Clarity (IC). It quantifies how the specular component of BRDF is scattered and produces the identical output for those images which are different in brightness but have the same BRDF shape.

Canon Index
Lighting Angle
Substitutable Standard
C20 20° DOI (ASTM D5767)
C60 60° IC (JIS K7374)

C20 vs. DOI ( ASTM D5767 )

  • For glossy paint with high DOI, C20 1~10 range is suitable for evaluation.

  • For diffusing surface such as matte paint, C20 100~1000 range is suitable for evaluation.

  • DOI is only capable of measuring up to C20 100 while C20 can evaluating beyond for Matte Paper and Matte Paint.

C20 vs. DOI ( ASTM D5767 )

C60 vs. Image Clarity ( JIS K 7374 )

  • Image Clarity (JIS) is only capable of partially measuring glossy paint. It is a limited index depending on objects.

C60 vs. Image Clarity ( JIS K 7374 )

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Sample Measurements

Print Samples

Samples - Cover Page
Samples - Middle Page
 

(1)
Cover Page
Matte Area

(2)
Cover Page
Shiny Area

(3)
Middle Page
Image Area

(4)
Middle Page
White Area

Gloss 20° 1.1 G.U. 52.0 G.U. 3.3 G.U. 1.5 G.U.
60° 9.9 G.U. 74.9 G.U. 28.4 G.U. 11.4 G.U.
85° 20.8 G.U. 65.2 G.U. 37.7 G.U. 31.7 G.U.
Haze 2.3 H.U. 19.9 H.U. 8.3 H.U. 3.7 H.U
Image Clarity 0.3 0 0 0 0
0.5 0 0 0 0
1.0 0 0 0 0
2.0 0 0 0 0
20°BRDF Samples - 20°BRDF - Print - Cover Matte Samples - 20°BRDF - Print - Cover Shiny Samples - 20°BRDF - Print - Middle Image Samples - 20°BRDF - Print - Middle White
60°BRDF Samples - 60°BRDF - Print - Cover Matte Samples - 60°BRDF - Print - Cover Shiny Samples - 60°BRDF - Print - Middle Image Samples - 60°BRDF - Print - Middle White
C20 384 41 254 828
C60 188 38 168 231

LCD Monitor Samples

 

Display A

Display B

Display C

Display D

Gloss 20° 36.1 G.U. 142.5 G.U. 6.3 G.U. 9.1 G.U.
60° 64.6 G.U. 120.8 G.U. 27.1 G.U. 41.1 G.U.
85° 92.4 G.U. 160 G.U. 38.0 G.U. 79.2 G.U.
Haze 33.46 H.U. 1.1 H.U. 14.2 H.U. 15.9 H.U.
Image Clarity 0.3 100 100 0 0
0.5 100 100 0 0
1.0 100 100 0 0
2.0 100 100 0 0
Reflected Image Reflected Image - Display A Reflected Image - Display B Reflected Image - Display C Reflected Image - Display D
20°BRDF Samples - 20°BRDF - LCD Monitor - Display A Samples - 20°BRDF - LCD Monitor - Display B Samples - 20°BRDF - LCD Monitor - Display C Samples - 20°BRDF - LCD Monitor - Display D
60°BRDF Samples - 60°BRDF - LCD Monitor - Display A Samples - 60°BRDF - LCD Monitor - Display B Samples - 60°BRDF - LCD Monitor - Display C Samples - 60°BRDF - LCD Monitor - Display D
C20 1.3 1.7 233 145
C60 1 1.1 166 121

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† Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary.

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