• 35mm 864.0mm2
  • 24.2 megapixels
  • ISO 50 - 50,000
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Leica SL (Typ 601) advantages over Panasonic G100

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.00 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Thinner
    39 mm vs 54 mm
    Thinner
  • More pixels
    24.2 vs 20.3 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Higher extended ISO
    50000 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic G100 advantages over Leica SL (Typ 601)

  • Less expensive
    $598 vs $3605*
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1840k vs 1040k dots
    Can mean greater resolution or a brighter screen

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

Buy From

Your purchases support this site

Buy the Leica SL (Typ 601)
Body Only
All SL (Typ 601) Deals

Your purchases support this site

Buy the Panasonic G100
Kit with 12-32mm Lens
  • Kit with 12-32mm Lens
  • Kit with Lens + Tripod Grip
All G100 Deals

Review Excerpt

  • Superb build quality; Amazing EVF; Great image quality from RAW files; Good high ISO performance; Very good dynamic range; Very low shutter lag; Fast AF on stationary objects; Class-leading ~11 fps burst mode; 4K DCI and UHD video; Full HD up to 120p. Built-in Wi-Fi and GPS; Dual card slots; Decent battery life for its class.

  • Big for a full-frame mirrorless camera; Very slow buffer clearing; Contrast-detect AF system struggles with moving subjects; In-camera JPEGs are muted and dull; Very limited native lens selection (but supports many other Leica lenses via adapters); Expensive.

  • Read our Leica SL (Typ 601) Review

The Competition

Compared to Leica M Monochrom (Typ 246)

Leica SL (Typ 601)
Leica M Monochrom (Typ 246)
  • $3802
  • 35mm
  • Less expensive
  • Shoot 4K video
  • $7595
  • 35mm

Compare Leica SL (Typ 601) vs Leica M Monochrom (Typ 246)

Panasonic G100
Leica M Monochrom (Typ 246)
  • $599
  • 4/3
  • Lens selection
  • Less expensive
  • $7595
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic G100 vs Leica M Monochrom (Typ 246)

Compared to Leica M-D (Typ 262)

Leica SL (Typ 601)
Leica M-D (Typ 262)
  • $3802
  • 35mm
  • Rear display
  • Focus peaking
  • $5995
  • 35mm

Compare Leica SL (Typ 601) vs Leica M-D (Typ 262)

Panasonic G100
Leica M-D (Typ 262)
  • $599
  • 4/3
  • Rear display
  • Lens selection
  • $5995
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic G100 vs Leica M-D (Typ 262)

Compared to Sony A9

Leica SL (Typ 601)
Sony A9
  • $3802
  • 35mm
  • Built-in GPS
  • Top deck display
  • $2995
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization

Compare Leica SL (Typ 601) vs Sony A9

Panasonic G100
Sony A9
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $2995
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic G100 vs Sony A9

Compared to Olympus E-M5 III

Leica SL (Typ 601)
Olympus E-M5 III
  • $3802
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $924
  • 4/3
  • Less expensive
  • Tilt-swivel screen

Compare Leica SL (Typ 601) vs Olympus E-M5 III

Panasonic G100
Olympus E-M5 III
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite

Compare Panasonic G100 vs Olympus E-M5 III

Compared to Olympus E-M10 IV

Leica SL (Typ 601)
Olympus E-M10 IV
  • $3802
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $630
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compare Leica SL (Typ 601) vs Olympus E-M10 IV

Panasonic G100
Olympus E-M10 IV
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $630
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach

Compare Panasonic G100 vs Olympus E-M10 IV

Compare Other Cameras?