Calibration for alternative processes
Your prints.Reproducible.
No more blown highlights and blocked shadows. Calibration Flow measures each patch, calculates the deviation and generates the exact correction curve — in 3 steps.
Mac · PC · Native iOS · Free app
The problem
What calibration fixes.
Correction curve for cyanotype, platinum and alternative processes
Without a correction curve, your process compresses highlights and blocks shadows. The app measures each deviation on the target and generates the exact compensation.
Before calibration — blown highlights, blocked shadows
After calibration — 21 distinct levels, linear progression
Supported processes
Universal
calibration.
A target tailored to each process. Positive or negative, the generated curve matches your exact chemistry.
Prepare
Reference target
Select your target (Positive, Negative or Pro 32 levels), print it without color management, then produce and scan the test print.
Calibrate
Precise tonal analysis
Import the scan and adjust Black point, White point, Exposure. The histogram and adaptive gamma help you establish a reliable tonal base.
Generate
Workshop-ready curve
Fine-tune the correction across 25 draggable points, (standard or pro workflow), then export the curve for your digital negative.
Reproduce
Presets & consistency
Save the calibration as a local preset and reapply it instantly to achieve the same result, process after process.
Vision Picturale Kits
Calibration Flow, the official kit tool.
Cyanotype, Aquaprint, gumoil kits — calibrated from the first print
Every Vision Picturale kit includes instructions to calibrate your process with Calibration Flow. Start from a reliable base, not a failed print.
Cyanotype
Iconic Blue Kit
View kit →
Aquaprint
Sanguine Kit
View kit →
Aquaprint monochrome
Photo Watercolor Kit
View kit →
Gumoil
Ink Wash Kit
View kit →Find all kits and chemistry on Vision Picturale →
Workflow
Three steps. A reproducible result.
A simple flow, designed for the workshop: same logic for every process, curve specific to your chemistry.
01 · Step 1
Prepare your target
Download the target suited to your process (Positive, Negative or Pro 32 levels) and print it on your coated paper.
HD Targets · 300 DPI
02 · Step 2
Analyze the scan
Import the scan of your test print. The app reads each patch, compares measured values to targets and displays the deviations.
Histogram · Gamma · RAW / HEIC
03 · Step 3
Generate the curve
Calibration Flow builds the compensation curve via cubic interpolation. Export it as .acv and apply it in Photoshop.
25 control points · Export .acv
Improve your calibration → Tutorials on NOEME
Picturale Ecosystem
Calibration Flow, the central link.
Vision Picturale, NOEME, Maison Picturale — a connected ecosystem
From ordering supplies to sharing your prints — each app in the ecosystem plays a specific role in your practice.
Calibration Flow
Calibrate your process in 3 steps
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Frequently asked questions