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iso 12233 resolution & sfr test chart — classic hyperbolic wedge design with slanted edges & star sector
calibvision iso12233 film 3

ISO 12233 Resolution & SFR Test Chart — Classic Hyperbolic-Wedge Design with Slanted Edges & Star Sector

Price range: $18.90 through $499.00

  • Hyperbolic wedges: 100 to 4000 LW/PH resolution range
  • 16:9 framing markers with 1:1 / 4:3 / 3:2 reference marks
  • Options: transmissive film & matte photographic paper
  • ISO 12233:2000 Standard (compatible with ISO 12233:2017 Annex I)
SKU N/A Category Brand:
Need a custom size or batch quote

Resolution Test Series - Naming System Guide

Breaking Down: CV-RT12233-FT-0.25X
calibvision iso12233 formula 2
iso12233 resolution test chart all sizes calibvision
Model Substrate Lighting Chart Size (mm) Chart Size (inch) Chart Type Version Accuracy
CV-RT12233-FT-0.25X Film Transmissive 50×89mm 1.97×3.50" 16:9, Standard, 0.25X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-0.5X Film Transmissive 100×178mm 3.94×7.01" 16:9, Standard, 0.5X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-0.75X Film Transmissive 144×267mm 5.67×10.51" 16:9, Standard, 0.75X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-1X Film Transmissive 200×356mm 7.87×14.02" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-1X-Pro Film Transmissive 200×356mm 7.87×14.02" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-2X Film Transmissive 400×712mm 15.75×28.03" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-2X-Pro Film Transmissive 400×712mm 15.75×28.03" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-3X Film Transmissive 600×1068mm 23.62×42.05" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-3X-Pro Film Transmissive 600×1068mm 23.62×42.05" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-4X Film Transmissive 800×1422mm 31.50×55.98" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-4X-Pro Film Transmissive 800×1422mm 31.50×55.98" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-5X Film Transmissive 1000×1780mm 39.37×70.08" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-5X-Pro Film Transmissive 1000×1780mm 39.37×70.08" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-6X Film Transmissive 1200×2136mm 47.24×84.09" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-FT-6X-Pro Film Transmissive 1200×2136mm 47.24×84.09" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±15μm
CV-RT12233-PP-8X Photographic Paper Reflective 1600×2844mm 62.99×111.97" 16:9, Standard, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±0.1mm
CV-RT12233-PP-8X-Pro Photographic Paper Reflective 1600×2844mm 62.99×111.97" 16:9, Enhanced, 1.0X ISO 12233:2000 (compatible with 2017 Annex I) ±0.1mm

ISO 12233 Test Chart Overview

The Calibvision ISO 12233 Test Chart is a precision resolution target designed to ISO 12233:2017 specifications, manufactured with ±15 μm feature accuracy on transmissive film or matte photographic paper. Used worldwide by camera manufacturers, lens designers, and imaging labs to measure SFR, MTF, and limiting resolution.

calibvision iso12233 film 1
iso12233 resolution test chart motorized roller calibvision
iso12233 resolution test chart with aluminum stand calibvision
iso12233 resolution test chart with black border calibvision
iso12233 test chart close up details calibvision

What Is the ISO 12233 Test Chart?

An ISO 12233 test chart is a standardized resolution target used to measure the spatial frequency response (SFR) and modulation transfer function (MTF) of digital cameras, lenses, and imaging systems. It contains slanted edges, hyperbolic wedges, sine wave star patterns, and OECF patches as specified in ISO 12233:2017 international standard.

Inside the Chart — Every Pattern, What It Does

The ISO 12233 chart looks busy because it carries a dozen test patterns at once, each measuring a different thing. The labeled map below shows where each feature lives on the chart and what it is used for — so you can match the pattern in your image to the measurement you actually need.
ISO 12233 Chart
×
Zoomed Feature Preview
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Feature Detail
F
E
G
H
M
S
O
L
C
N
Setup & Framing
F Framing Brackets "F"
Used for camera framing adjustments and precise focus setup configuration.
C Center Target "C"
Designed for camera framing alignment, central target locking, and border matching.
Visual & Limiting
H Hyperbolic Wedges "H"
Features 6 patterns in 3 center directions and 4 corner sets. Used for visual resolution analysis via specialized software or human eye inspection.
S High-Frequency Sweeps "S"
Measures horizontal and vertical limiting resolution along with visual sharpness based on high-frequency contrast loss.
SFR / MTF Analysis
L Slanted Edges "L"
Precisely engineered high-contrast slanted edges (5°) used for Spatial Frequency Response (SFR) metrics calculation via analysis software.
E Slanted Heavy Bar "E"
A 1.5° slanted thick line profile designed to inspect stair-stepping (aliasing effects) along linear image structural components.
O Tilted Line Groups "O"
Features line groups tilted at 5° in both vertical and horizontal directions to measure aliasing and digital frequency sampling distortions.
Distortion & Artifacts
M Contour Chart / Sine Star "M"
Specifically optimized for evaluating linear scanning precision and overall geometric lens distortion parameters.
G Graded Detail Bar "G"
Used to evaluate micro-detail reproduction capacity, rendering performance, and edge over-sharpening/ringing artifacts.
N Checkerboard "N"
Designed to identify and analyze macroblocking patterns or pixel artifacts introduced during lossy image compression stages.
1x iso12233 200x356
CV-RT12233-FT-1X
ISO 12233 resolution test chart 1X on transmissive film, 200×356 mm (7.87×14.02 in), 16:9 Standard
1x iso12233 pro 200x356

CV-RT12233-FT-1X-Pro

ISO 12233 Enhanced test chart 1X Pro on film, 200×356 mm (7.87×14.02 in), star sector + OECF patches

ISO 12233 Chart Specifications

Specification Standard Enhanced (Pro)
Standard Reference ISO 12233:2000 ISO 12233:2017
Resolution Range 100–2000 LW/PH 100–4000 LW/PH
Aspect Ratio 16:09 16:09
Hyperbolic Wedges Yes Yes
Slanted Edges Yes Yes + 5° Slant Bar
Star Sector No Yes
OECF Patches No Yes
Color Patches No Yes
Feature Accuracy ±15 μm (Film) ±15 μm (Film)
Best For Quick QC R&D, ISP tuning
Property Transmissive Film Photographic Paper
calibvision iso12233 film calibvision iso12233 paper
Feature Accuracy ±15 μm ±0.1 mm
Surface Glossy, Transparent Base Matte, Reflective
Required Lighting Backlit light box (D65) Diffuse 45° from both sides
Maximum Size 1200×2136 mm (6X) 1600×2844 mm (8X) and beyond
Contrast Higher, more uniform Slightly lower, depends on lighting
Durability Resists scratches, easy to clean More sensitive to fingerprints
Best for Lab SFR/MTF measurement Field, production, large-format

Why Calibvision ISO 12233 Charts

Built to ISO 12233:2017 — verified by third-party CNAS-accredited lab

±15 μm feature accuracy on film (±0.1 mm on photo paper)

17 sizes — from credit-card 50×89 mm to wall-size 1600×2844 mm

Transmissive film for backlit boxes, matte paper for reflective lighting
Each chart ships with serial number + dimensional inspection report

Standard and Enhanced (Pro) versions for QC vs full SFR/MTF analysis

3–5 business day production, worldwide shipping

How to Use an ISO 12233 Test Chart

calibvision iso12233 imatest 1
calibvision iso12233 imatest 2
01
Mount the chart flat and parallel to the camera sensor plane
02
Illuminate with even, glare-free D65 lighting at 45° (or use a backlit box for film/transmissive targets)
03

Fill the camera frame with the chart, keeping the four corner markers
within view

04
Set camera to its native resolution, no digital zoom, no sharpening
05
Focus precisely on the slanted edge — use focus peaking or live view
06
Capture in RAW format whenever possible
07
Load the image into SFR analysis software (e.g., Imatest, sfrmat5)
08
Read the SFR50 and SFR10 values to determine limiting resolution

How to Choose the Right ISO 12233 Chart Size

Pick the chart size based on your camera’s pixel count and working distance:
Camera Resolution Recommended Size SKU
≤ 5 MP 0.25X (50×89mm) CV-12233-FT-0.25X
5–12 MP 0.5X (100×178mm) CV-12233-FT-0.5X
12–24 MP 1X (200×356mm) CV-12233-FT-1X
24–50 MP 2X (400×712mm) CV-12233-FT-2X
50–100 MP 3X (600×1068mm) CV-12233-FT-3X
100 MP+ or wide 4X–6X CV-12233-FT-4X~6X
Studio / wall 8X (1600×2844mm) CV-12233-PP-8X
mirrorless camera resolution testing with iso12233 chart calibvision
camera resolution test chart iso12233 calibvision

Applications

Camera and Smartphone Manufacturers

Incoming sensor / module QC

Lens Designers

Through-focus MTF and resolution mapping

Automotive

ADAS camera and surround-view calibration

Machine Vision

Line-scan and area-scan camera characterization

Broadcast & Cinema

4K / 6K / 8K lens evaluation

Medical Imaging

Endoscope and surgical camera validation

Academic & Test Labs

ISO conformance and standards reference
iso12233 resolution chart with heavy duty mobile stand calibvision

Frequently Asked Questions

Q1. What is the ISO 12233 standard?
ISO 12233 is the international standard published by the International Organization for Standardization that specifies methods for measuring the resolution and spatial frequency response (SFR) of electronic still-picture cameras. The latest editions are ISO 12233:2017 and ISO 12233:2024.
The Standard chart conforms to ISO 12233:2000 with hyperbolic wedges measuring 100–2000 LW/PH. The Enhanced (Pro) version adds a star sector target, 5° slant bar, OECF patches, and color patches, and extends resolution measurement to 4000 LW/PH — suitable for high-megapixel sensors and full ISO 12233:2017 analysis.
Choose transmissive film when you use a backlit light box for high contrast and uniform illumination — this is the standard lab setup. Choose matte photographic paper for ambient or reflective lighting, large-format charts above 1.2 meters, and field installations where backlighting is impractical.
Match the magnification to your camera’s pixel count. The chart should cover at least 80% of the frame at your normal working distance. A 24 MP camera typically uses the 1X (200×356 mm) chart; a 100 MP medium-format sensor needs 3X (600×1068 mm) or larger.
SFR (Spatial Frequency Response) is a numerical measurement of how contrast changes across spatial frequencies in a camera system. ISO 12233 defines two SFR methods: edge-based SFR (e-SFR) using slanted edges, and sine-based SFR (s-SFR) using Siemens star patterns.
Calibvision film ISO 12233 charts are manufactured with ±15 μm feature accuracy, verified by a CNAS-accredited third-party calibration lab. Photographic paper versions hold ±0.1 mm accuracy. Every unit ships with a serial-numbered dimensional inspection report.
Technically yes, but consumer printers cannot reliably achieve the sub-millimeter line accuracy and contrast uniformity required by the standard. Self-printed charts typically introduce 0.5–2 mm errors that invalidate SFR measurements above 1000 LW/PH. Professional charts use photolithography or laser-drawn film.
ISO 12233 charts are compatible with Imatest, sfrmat5 (free MATLAB tool by Peter Burns), QuickMTF, MTF Mapper, and most camera test suites including the DxOMark methodology. Calibvision charts work with all major SFR analysis tools.
LW/PH stands for “Line Widths per Picture Height” — the unit ISO 12233 uses to express resolution. One line pair equals two line widths. A reading of 2000 LW/PH means the camera can resolve 1000 distinct line pairs across the vertical height of the image.
Film and photographic paper charts are stable for 3–5 years if stored flat, away from UV light, at 20–25°C and 30–50% RH. Recalibration is recommended every 2 years for ISO 17025 lab environments, or whenever the chart shows visible scratches, fading, or warping.
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    iso-12233-test-chart-1x-pro-film-200x356mm-main

    ISO 12233 Resolution & SFR Test Chart — Classic Hyperbolic-Wedge Design with Slanted Edges & Star Sector