Aperture vs Lens Simulator

Aperture - Light Meter: Simplifying Film Photography with Precision Aperture - Light Meter is a minimalist, intuitive tool designed to help film photographers achieve perfect exposure and document their creative process. By calculating the ideal aperture and shutter speed based on your film’s ISO sensitivity, the app ensures every shot is perfectly balanced. Featuring integrated Zone System metering, a continuous film frame counter, and a visual shot log gallery, Aperture makes it easy to track your rolls, evaluate contrast, and log settings for future analog projects. Key Features: Accurate Light Metering & Zone System: Compute precise aperture and shutter speed settings based on your film’s ISO sensitivity. Tap to measure specific target zones and pre-visualize contrast for maximum control over highlights and shadows. Continuous Film Frame Counter: Automatically track your roll from frame 0 to 36 as you shoot. Smart continuation allows manual roll extensions (e.g., frame 37+) for bulk-loaded or longer rolls, with frame numbers stamped on gallery thumbnails and photo details. Easily adjust or clear frame values with a native wheel selector. Reference Photo Album & Visual EXIF Log: Capture digital reference photos saved with complete exposure metadata (ISO, aperture, shutter speed, frame number, and date). Access a visual gallery to compare developed lab scans against original metering data. Minimalist & Intuitive Design: A clean, distraction-free interface crafted to perfection, allowing you to evaluate light and adjust settings without breaking your shooting rhythm. Customizable Ranges & Lens Presets: Match your camera setup with customizable aperture and shutter speed bounds, or select preset profiles for fast, macro, or long-exposure shooting scenarios. ISO Sensitivity Input: Dial in exact ISO values tailored to your specific 35mm or medium format film stock. Why Choose Aperture - Light Meter? Designed for Analog Shooters: Built specifically for manual film cameras, bridging the gap between analog workflow and digital logging tools. Crafted to Perfection: Fast, reliable, and distraction-free—no ads, trackers, or hidden subscriptions. Document & Refine Your Craft: Keep accurate frame-by-frame records so you know exactly how each exposure was calculated when your lab scans come back. Who Is This App For? 35mm and medium format photographers seeking high-precision exposure metering. Analog enthusiasts who want an effortless way to log film EXIF data and track frame numbers. Photographers who want a dedicated Zone System light meter built for speed in the field. Simplify your film photography workflow with Aperture - Light Meter. Achieve perfect exposure, track your roll frame by frame, and shoot with confidence. Download now to elevate your analog process!

Wondering what 85mm looks like on your Canon R7? Or how wide 24mm feels on a Fujifilm X-T5? Point your phone and see — instantly. Prospekt simulates any focal length on any camera body, live. HOW IT WORKS Choose a focal length from 14mm to 300mm, pick your camera body, and see exactly what that lens sees — in real time, through your iPhone. The field of view is 100% mathematically accurate. Your iPhone automatically switches between its ultra-wide, wide, and telephoto cameras to give you the best image quality at every focal length. No guesswork. No approximations. 50+ CAMERA BODIES Canon: R5 II, R6 III, R7, R10, R50, EOS R, 5D IV Sony: A1, A9 III, A7R V, A7 IV, A6700, ZV-E10 II Nikon: Z9, Z8, Z6 III, Zf, Z50 II Fujifilm: GFX 100 II, X-T5, X-H2S, X-S20 Panasonic: S5 IIX, GH7, G9 II OM System: OM-1 II, OM-5 Leica: M11, SL3, Q3 Hasselblad: X2D, 907X Pentax: K-1 III, K-3 III Sigma: fp L Every major sensor format: Full Frame, APS-C (1.5x & 1.6x), Micro Four Thirds, and Medium Format. WHO IT'S FOR • Choosing between a 35mm and an 85mm? See the difference live • New to photography? Learn what focal lengths actually look like • Scouting a location? Preview your exact framing on the spot • Switching systems? See how crop factor changes your lenses FEATURES • Live viewfinder — 100% accurate field of view simulation • Scroll wheel with haptic snap at popular focal lengths • Full-frame equivalent display — always know your effective focal • 4 aspect ratios: 3:2, 4:3, 16:9, 1:1 • Photo capture with metadata watermark (focal length, crop factor, FF equivalent, aspect ratio) • Offline — no internet required • Landscape-optimized for maximum viewfinder size SAVE & COMPARE Capture snapshots with a built-in watermark showing your settings. Save to your photo library and compare focal lengths side by side. One purchase. No subscriptions. No ads.