Horizontal & Vertical Camera vs Lens Simulator

It supports simultaneous shooting 16:9 and 9:16 video, the two videos are automatically cropped from the original video. There are horizontal and vertical reference lines on the shooting interface, what you see is what you get.

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.