• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 25.00mm - 450.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 20.0 megapixels
  • 24.00mm - 1008.00mm (35mm eq.)

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Differences

Pentax RZ18 advantages over Canon SX420 IS

  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Thinner
    36 mm vs 85 mm
    Thinner
  • Lighter weight
    190g vs 325g
    Lighter weight
  • More dots on screen
    460k vs 230k dots
    Can mean greater resolution or a brighter screen

Canon SX420 IS advantages over Pentax RZ18

  • More telephoto lens reach
    1,008 mm vs 450 mm
    Capture objects farther away
  • Newer
    6 years vs 10 years old
    Newer cameras often support more advanced features
  • More pixels
    20.0 vs 16.0 megapixels
    Higher resolution photos
  • Longer exposure
    15 vs 4 sec
    Long exposures for night shots
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • RAW file ability
    Neither provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Neither provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Pentax RZ18

Your purchases support this site

Buy the Canon SX420 IS

Review Excerpt

The Competition

Compared to Nikon S9100

Pentax RZ18
Nikon S9100
  • $210
  • 1/2.33 inch
  • Manual focus
  • More pixels
  • $254
  • 1/2.3 inch
  • Bigger pixels
  • In-camera panoramas
Canon SX420 IS
Nikon S9100
  • $279
  • 1/2.3 inch
  • More telephoto lens reach
  • Newer
  • $254
  • 1/2.3 inch
  • Bigger pixels
  • In-camera panoramas

Compared to Sony H90

Pentax RZ18
Sony H90
  • $210
  • 1/2.33 inch
  • More telephoto lens reach
  • Manual focus
  • $223
  • 1/2.3 inch
  • Less expensive
  • Longer exposure
Canon SX420 IS
Sony H90
  • $279
  • 1/2.3 inch
  • More telephoto lens reach
  • Newer
  • $223
  • 1/2.3 inch
  • Longer stills battery life
  • Thinner

Compared to Nikon S9500

Pentax RZ18
Nikon S9500
  • $210
  • 1/2.33 inch
  • Less expensive
  • Manual focus
  • $230
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in Wi-Fi
Canon SX420 IS
Nikon S9500
  • $279
  • 1/2.3 inch
  • More telephoto lens reach
  • Newer
  • $230
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in Wi-Fi

Compared to Canon SX400 IS

Pentax RZ18
Canon SX400 IS
  • $210
  • 1/2.33 inch
  • Thinner
  • Lighter weight
  • $149
  • 1/2.3 inch
  • More telephoto lens reach
  • Newer
Canon SX420 IS
Canon SX400 IS
  • $279
  • 1/2.3 inch
  • More telephoto lens reach
  • More pixels
  • $149
  • 1/2.3 inch
  • Manual focus

Compared to Canon SX410 IS

Pentax RZ18
Canon SX410 IS
  • $210
  • 1/2.33 inch
  • Manual focus
  • Thinner
  • $179
  • 1/2.3 inch
  • More telephoto lens reach
  • Newer
Canon SX420 IS
Canon SX410 IS
  • $279
  • 1/2.3 inch
  • $179
  • 1/2.3 inch
  • Less expensive
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