Calibration Plus vs GroundGlass

Calibration+ helps you for alternate process printing, by allowing fine tone control on your digital negatives. For instance, the cyanotype process is contrasted with poor half tones. Calibration+ helps you to have better prints with dark, white and halftones by designing a correction curve. With Calibration+, generate a reference chart on your device. Use your favorite image processing software :Adobe Photoshop™, Gimp, Affinity Photo™, Lightroom™… to generate digital negative. Invert. Flip. Print (as usual). Photograph the print! Calibration+ computes the adjustment curve in your photo software to have perfect prints.

GroundGlass is a shooting log app built for large format photographers. Whether you shoot 4x5, 8x10 or any other format, GroundGlass captures every detail of the moment you press the shutter — from exposure settings and Zone System metering to camera movements and development records. KEY FEATURES ◆ Complete shooting records — Camera, lens, aperture, shutter, film, filters and movements, all in one place. Effective aperture is calculated automatically from bellows extension; holder numbers are one tap away. ◆ Zone System metering — Full metering workflow in the spirit of Ansel Adams: multiple readings, base subject selection, exposure decisions, with the zone distribution at a glance. Includes a built-in spot meter with pinch zoom. ◆ iCloud Sync — Records and equipment sync across your devices through your private iCloud database. Switch phones without worry. The developer has no access to your data. ◆ Film workflow — Record status (Shot → Developed → Scanned), film holder management, stock tracking with automatic sheet deduction, and batch development entry. From loading to archiving, everything is on file. ◆ Record templates — Save your go-to camera/lens/film combinations and apply them with one tap. ◆ PDF export — Index label PDFs for film sleeves and full-page record archive PDFs, with preview before sharing. ◆ Statistics & analysis — Shooting trends, gear usage, parameter distributions and a shooting calendar heat map, exportable as a report. ◆ Shooting map — All geotagged records gathered on one map. Revisit your footsteps. ◆ Calculators — Reciprocity failure, bellows exposure compensation, and depth of field with per-format circle of confusion presets. ◆ Extensive equipment database — About 180 large format camera models from 25 brands, including Linhof, Sinar, Arca-Swiss, Chamonix and Ebony. Lens presets from Schneider, Rodenstock, Fujinon, Nikkor and more. ◆ Professional filter management — Structured selection by brand, type and strength, including center filters, with automatic stacked compensation. ◆ Map-based location — One-tap locate, with reverse geocoding for place names and coordinates. ◆ Data backup — JSON import/export, with or without photos. Your data is always yours. ◆ Darkroom-themed interface — Amber-toned design with card layouts, made for photographers. Your data lives on your device and in your private iCloud database. We collect no personal information. Large format photography begins with a record.