Lens Pattern

Grid Professional Test Patterns for Camera Calibration

Turn your iPad, iPhone, or Apple TV into a precision test pattern generator for camera and lens analysis.

Lens Pattern displays pixel-accurate test charts directly on your device screen — no printed charts, no extra hardware. Perfect for camera calibration, lens quality testing, color grading verification, and production monitoring.

INCLUDED TEST PATTERNS:

Markers & Calibration
• Grid Tags — AprilTag marker grid with adjustable tag size and start ID, ideal for camera calibration and spatial tracking

Color & Exposure
• SMPTE Bars — Standard SMPTE EG-1-1990 color bars
• SMPTE 303M — HD color bars with PLUGE and Y-ramp zones
• EBU Bars — EBU Tech 3325 color bars (75% and 100%)
• ColorChecker — Classic 24-patch color reference chart
• Color Scales — R/G/B/C/M/Y/W gradient ramps with percentage markers
• Clipping — Shadow and highlight clipping test (1% steps) with stepped ramp
• Grayscale — 21-step grayscale ramp with percentage labels

Geometry & Focus
• Crosshatch — Grid pattern for distortion analysis
• Checkerboard — Black/white checkerboard for resolution testing
• Caro — Diamond pattern (45° rotated checkerboard)
• Dot Grid — Uniform dot array for distortion measurement
• Siemens Star — Resolution target for sharpness evaluation
• Focus Chart — Comprehensive focus and resolution target

Timing & Animation
• Motion Test — Moving bars for rolling shutter and motion blur analysis
• Timecode — Real-time HH:MM:SS:FF display at 60fps
• Flicker — Adjustable frequency flicker (0.5–30 Hz)

KEY FEATURES:
• Full-screen, pixel-perfect rendering on any screen size
• Physical dimensions in millimeters displayed on iOS devices