Your personal Micro Four Thirds lens companion. Browse the lens database, add and edit your own, catalog your collection, log your shoots with photos, and see depth of field — all tuned for your system.
Every lens has a page
- Tap any lens for full specifications on one screen
- Weight, length, diameter, filter thread, minimum focus, magnification
- Full-frame equivalents: field of view, wide-open depth of field, and the diffraction limit in 35mm terms
- Your photos and that lens's shot notes, together with its specs
- Load it into the depth of field calculator from here
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 added shot notes to
111 MFT lenses with full specs — plus your own
- Panasonic Lumix G and Leica DG
- OM System / Olympus M.Zuiko
- Sigma, Voigtländer Nokton, and the complete Laowa MFT line
- TTArtisan, Yongnuo, and Tamron's one MFT lens
- Discontinued classics included — first-generation zooms and primes back to 2008
- Weight, dimensions, weather sealing, image stabilization for every lens
- Native Micro Four Thirds mount only, and native MFT figures
- Every spec checked against the manufacturer's own published figures; if a number can't be verified, it isn't listed
- Add any lens that isn't here — legacy, adapted, or third-party — edit it anytime, and it works everywhere
Your lens collection
- Mark owned lenses with one tap
- Attach your own photos to any lens — product shots, MTF charts, reference frames
- Filter by brand, type, focus, filter diameter
- WR and 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
- Pick any lens straight from the calculator, your own lenses first
- Smart matching shows which lenses fit your current settings
Built for photographers
- Glass-effect design with smooth animations
- Beautiful dark mode
- Haptic feedback
- No subscriptions. No ads. Pay once, own it.
Whether you shoot OM System, Panasonic, Sigma, Voigtländer, Laowa — or adapt vintage glass — this is your Micro Four Thirds field companion.
Show more
