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ProFilm Meter is the most complete light meter and exposure toolkit for film photographers. From 35mm to 8×10 large format, dry plates to tintypes, it handles every calculation you'd normally reach for three separate tools to solve — all offline, all in real time.
LIGHT METERING
Your phone's camera becomes a precision reflected-light meter. Choose spot, center-weighted, or average metering and dial in exposure with ⅓-stop, full-stop, or any combination of increment sets running simultaneously. A live RGB histogram keeps highlight and shadow zones in view at all times.
Native per-frame ISO, shutter, and aperture capture at ~10 fps
Multi-point metering: average 2–4 scene readings into one exposure value
Tap-to-focus and multi-lens camera selection
Adaptive EV smoothing adjusts for scene changes automatically
Screen stays awake during active metering sessions
CALIBRATION
Two-point guided calibration locks each camera to a trusted reference. After calibration, a fine-tune step lets you match any external meter in ⅓-stop increments. Uncalibrated cameras are gated with a full-screen prompt so you never shoot on an unmeasured body.
FILM STOCKS & RECIPROCITY
An on-device film stock library covers 35mm, 120, and large format emulsions — including the full Zebra Dry Plate collection. Every stock carries its own reciprocity profile. Eight built-in profiles (Acros II, T-Max, HP5+, Portra, Fomapan, Zebra, and more) plus full custom profile creation, including Schwarzschild p-factor and optional threshold. Add custom film formats and reciprocity profiles inline, without leaving the film stock screen.
COMPENSATIONS
Reciprocity failure — corrected automatically for exposures beyond threshold
Bellows compensation — calculated stop-for-stop from draw and focal length
RA4 Color Reversal — estimates scene color temperature and gives you Mired-shift filter corrections for color positives; works in both ambient and flash mode
Spectral sensitivity — metering coefficients adjusted for panchromatic, orthochromatic, and blue-sensitive emulsions
Lens filters — ND (1–10 stops), polarizer, yellow/orange/red/green contrast filters, R72 and deep IR, plus custom filters
Positive/reversal process — +0.5 stop compensation, auto-enabled for tintype stocks
UV/environmental compensation — adjustable for altitude and atmospheric conditions
IR Light Estimator — dedicated tool for infrared exposure estimation
FLASH
Flash metering detects incident flash via fast polling with peak-hold and sticky arming. A built-in flash trigger supports Optical Slave (fires the LED torch to trip slaved units) and Cable Sync (audio click for USB-C to PC-sync adapters).
VIEWFINDER
A lens-independent viewfinder zoom gives consistent framing regardless of which physical lens the phone uses. Overlay your chosen film format frame lines and compose like you're looking through a director's viewfinder.
FIELD JOURNAL
Save any exposure to the journal with one tap. Each entry records ISO, aperture, shutter speed, EV, reciprocity correction, RA4 and spectral corrections, GPS coordinates, and a cropped preview photo. Entries are exportable and shareable.
EXTRA TOOLS
Depth of Field Calculator — for any format and focal length
Zebra Exposure Guide — zone-system reference for dry plate work
Alternative Processes Meter — cyanotype, platinum, salt print, and more
Step Wedge Tool — exposure planning for contact printing
Rolling Shutter Calculator — flash sync safety for focal-plane shutters
20 FILM FORMATS
35mm · 6×4.5 · 6×6 · 6×7 · 6×9 · 4×5 · 5×7 · 8×10 · 9×12cm · 10×10 · 10×12 · 11×14 · 12×12 · 13×18cm · 20×24 · Sixth Plate · Quarter Plate · Half Plate · Whole Plate · custom dimensions
7 LANGUAGES
English · Slovenian · Spanish · French · German · Japanese · Simplified Chinese
PRIVACY
All metering and calculation runs entirely on-device. No account required. No data leaves your phone.
Sælger
Navn
Scott Henderson
Info
Udvikler
Kategorier
Version
4.14.0
Størrelse
59,1 MB
Game Center
Nej
VPP Device Licensing
Ja
Vurdering
Alder: 4+
Kompatibilitet
iOS 15.1 eller senere
Enheder
iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2. generation), iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone SE (3. generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone Air, iPhone 17e, iPad (5. generation) Wi-Fi, iPad (5. generation) Wi-Fi + Cellular, iPad (6. generation) Wi-Fi, iPad (6. generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9,7"), iPad Pro (9,7") (Cellular), iPad Pro 12,9" (2. generation), iPad Pro 12,9" (2. generation) Wi-Fi + Cellular, iPad Pro (10,5"), iPad Pro (10,5") Wi-Fi + Cellular, iPad Pro (11"), iPad Pro (11") Wi-Fi + Cellular, iPad Pro 12,9" (3. generation), iPad Pro 12,9" (3. generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3. generation), iPad Air (3. generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5. generation), iPad mini (5. generation) Wi-Fi + Cellular, iPad (7. generation) Wi-Fi + Cellular, iPad Pro 11" (2. generation), iPad Pro 11" (2. generation) Wi-Fi + Cellular, iPad Pro 12,9" (4. generation), iPad Pro 12,9" (4. generation) Wi-Fi + Cellular, iPad Air (4. generation) (Wi-Fi), iPad Air (4. generation) (Wi-Fi + Cellular), iPad (8. generation) Wi-Fi, iPad (8. generation) Wi-Fi + Cellular, iPad Pro 11" (3. generation), iPad Pro 11" (3. generation) Wi-Fi + Cellular, iPad Pro 12,9" (5. generation), iPad Pro 12,9" (5. generation) Wi-Fi + Cellular, iPad (9. generation), iPad (9. generation) Wi-Fi + Cellular, iPad mini (6. generation), iPad mini (6. generation) Wi-Fi + Cellular, iPad Air (5. generation), iPad Air (5. generation) Wi-Fi + Cellular, iPad Pro 11" (4. generation), iPad Pro 11" (4. generation) Wi-Fi + Cellular, 12,9" iPad Pro (6. generation), 12,9" iPad Pro (6. generation) Wi-Fi + Cellular, iPad (10. generation), iPad (10. generation) Wi-Fi + Cellular, iPad Air 11" (M2) Wi-Fi, iPad Air 13" (M2) Wi-Fi, iPad Air 13" (M2) Wi-Fi + Cellular, iPad Pro 11" (M4) Wi-Fi, iPad Pro 11" (M4) Wi-Fi + Cellular, iPad Pro 13" (M4) Wi-Fi, iPad Pro 13" (M4) Wi-Fi + Cellular, iPad mini (A17 Pro) Wi-Fi, iPad mini (A17 Pro) Wi-Fi + Cellular, iPad (A16) Wi-Fi, iPad (A16) Wi-Fi + Cellular, iPad Air 11" (M3) Wi-Fi, iPad Air 11" (M3) Wi-Fi + Cellular, iPad Air 13" (M3) Wi-Fi, iPad Air 13" (M3) Wi-Fi + Cellular, iPad Pro 11" (M5) Wi-Fi, iPad Pro 11" (M5) Wi-Fi + Cellular, iPad Pro 13" (M5) Wi-Fi, iPad Pro 13" (M5) Wi-Fi + Cellular, iPad Air11M4, iPad Air11M4Cellular, iPad Air13M4, iPad Air13M4Cellular, iPod touch (6. generation), iPod touch (7. generation)
Sprog
engelsk
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