Lumos: The Easiest Long Exposure Toolkit for Landscape Photographers
Lumos is the ultimate companion for landscape and long exposure photography — combining powerful tools, precision calculators, and a complete photo guide in one beautifully simple app.

Whether you're just starting out or you're a seasoned pro, Lumos makes long exposure photography easy, fast, and reliable — no confusing menus or bloated features.

📖 Learn Long Exposure the Easy Way
Lumos includes a clear, easy-to-follow guide tailored specifically to long exposure landscape photography. It’s accessible, technically accurate, and perfect for learning in the field.

Pick the right ND filters for any scene

Control ISO, aperture, and shutter speed with confidence

Master smooth water, light trails, and cloud motion

Apply simple techniques for both digital and film photography

No jargon — just practical tips, clear explanations, and visuals

Whether you’re a beginner or brushing up your skills, Lumos is designed to help you grow.

⏱️ Effortless ND Filter Calculator
Calculate the perfect shutter speed in seconds:

Enter your base exposure settings

Choose your ND filter strength

Instantly get your new exposure time — even for extreme long exposures

No math, no trial-and-error — just quick, accurate results you can trust.

🎞️ Simplified Film Reciprocity Calculator
Film photographers love Lumos for how easy it makes reciprocity compensation:

Choose from 50+ popular films (Kodak, Ilford, Fuji, Rollei, Foma, etc.)

Built-in data from manufacturers and trusted sources

Get auto-adjusted exposure times instantly — no charts needed

Perfect for shooting analog with confidence, even in low light.

📐 Intuitive Depth of Field Calculator
Want sharper shots? Quickly calculate your total depth of field and focus limits:

Choose your camera, aperture, focal length, and distance

Get clear near/far focus points

Simple enough to use on location, accurate enough for pro work

Great for hyperfocal focusing and dialing in sharp landscapes.

🔧 Clean, Fast, and Focused
Lumos is built for simplicity and speed:

Beautifully minimal, user-friendly design

No ads, no sign-ups, no clutter

Everything works offline — perfect for remote shooting locations

Professional-grade results, without the learning curve

From dramatic seascapes to city lights to quiet mountain lakes, Lumos makes long exposure photography effortless, accurate, and enjoyable.