M43 Lens Database

Your personal Micro Four Thirds lens companion. Browse the lens database, add your own, catalog your collection, log your shoots with photos, and see depth of field — all tuned for your system.

My Kit
- See your entire collection at a glance
- Focal coverage chart shows what your kit covers — and where the gaps are
- Total weight, fastest aperture, widest and longest lens
- Lens usage heat map reveals which lenses you actually shoot with

80 MFT lenses with full specs — plus your own
- Panasonic Lumix G and Leica DG
- OM System / Olympus M.Zuiko
- Sigma Contemporary and Voigtländer Nokton
- Weight, dimensions, weather sealing, image stabilization for every lens
- Add any lens that isn't here — legacy, adapted, or third-party — and it works everywhere

Your lens collection
- Mark owned lenses with one tap
- Filter by brand, type, focus, filter diameter
- Weather Resistance (WR) and Image Stabilisation (IS) badges at a glance
- Brand-colored cards for quick identification

Compare lenses
- Pick two lenses and compare depth of field side-by-side
- Independent focal length and aperture controls per lens
- See real differences at any focus distance

Shot log
- Document your shots with lens, settings, and conditions
- Attach a photo to each note for a visual record
- Record what worked and what to try differently
- Export notes in CSV, JSON, or Markdown

Depth of field tools
- Visual DOF diagram shows your in-focus zone in real-time
- MFT-specific calculations (correct 0.015mm circle of confusion)
- Hyperfocal, near limit, and far limit
- Tap any lens to instantly calculate its DOF
- Smart matching shows which lenses fit your current settings

No subscriptions. No ads. Pay once, own it.

Whether you shoot OM System, Panasonic, Sigma, Voigtländer — or adapt vintage glass — this is your Micro Four Thirds field companion.