Photography & Optical Standards

Standardized digital camera image sensor dimensions, active surface areas, diagonal field-of-view crop factors relative to 35mm full frame, and aspect ratios across medium format, APS-C, Micro Four Thirds, 1-inch, and smartphone sensors.

1.0-Type / 1-Inch Sensor (13.2×8.8 mm), 1/1.3-Inch Mobile Sensor (9.6×7.2 mm), 1/2.3-Inch Sensor (6.17×4.55 mm), APS-C Sensor (Standard 1.5× Crop) +4 more

8 items

Standardized camera lens bayonet and screw mounts, flange focal distances (FFD), throat/inner bayonet diameters, electronic communication protocols, and vintage lens adaptability across modern mirrorless and classical SLR systems.

Canon EF Mount (Electronic Focus), Canon RF Mount, Fujifilm X-Mount, Leica L-Mount (L-Mount Alliance) +5 more

9 items

Standardized front lens accessory screw thread diameters (ø) and metric thread pitches (M × 0.75 mm / M × 1.0 mm) for circular polarizing filters (CPL), neutral density (ND) filters, lens hoods, and step-up adaptation rings.

49 mm Lens Filter Thread (M49 × 0.75), 52 mm Lens Filter Thread (M52 × 0.75), 58 mm Lens Filter Thread (M58 × 0.75), 67 mm Lens Filter Thread (M67 × 0.75) +4 more

8 items

Standardized analog photographic film types defined by ISO 1007 (135 35mm), ISO 732 (120/220 medium format roll film, 110 pocket cartridges), and ISO 1010 (4x5 and 8x10 large format sheet films), covering perforation pitches, spool geometries, and DX-coding standards.

110 Pocket Film Cartridge (ISO 732), 120 Roll Film (Medium Format / ISO 732), 135 Film (35mm Still Film / ISO 1007), 220 Roll Film (Double-Length Medium Format) +2 more

6 items

Standardized physical camera mounting interfaces, quick-release dovetail profiles (Arca-Swiss 38mm, Manfrotto RC2 / 501PL), ISO 1222 imperial mounting threads (1/4"-20 & 3/8"-16), NATO accessory rails, and ARRI anti-twist locating pin standards.

Arca-Swiss 38mm Dovetail Standard, ARRI Rosette & Locating Pin Standard (3/8"-16 & 31.8mm), ISO 1222 Photography Tripod Screw Threads (1/4"-20 & 3/8"-16), Manfrotto 501PL / 504PL Video Quick-Release Plate +2 more

6 items

Standardized mathematical and optical metrics governing photographic exposure: geometric f-stop progression (√2 ratio), cinema photometric T-stops, ISO 12232 sensor sensitivity, Exposure Value (EV / ISO 2720), 180-degree cinema shutter angle, and Kelvin color temperature scales.

Cinema Shutter Angle & 180° Rule, Color Temperature & White Balance (Kelvin / CIE D50 & D65), Exposure Value (EV / ISO 2720 / Sunny 16), F-Stop Scale & Aperture Series (f/1.0 to f/22) +2 more

6 items