Nikon D3100 vs Pentax Optio I-10

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      Overview

      In this comparison, we will evaluate the Nikon D3100 and the Pentax Optio I-10, highlighting the advantages of each over the other, discussing their pros and cons, shared strengths and weaknesses, and providing a rating based on their available features and specifications to assist you in choosing the one that best suits your needs.

      Nikon D3100 was introduced in December 2010 and Pentax Optio I-10 was introduced in January 2010. Let us first list highlights of the models.

      Nikon D3100 Highlights

      • 14 MP APS-C CMOS Sensor
      • 100 - 3,200 Native ISO
      • 11 Focus Points (11 Cross-type)
      • 3.0" 230k dot Fixed Screen
      • Optical (pentamirror) Viewfinder
      • 3.0 fps Continuous Shooting
      • 1920 x 1080 Video Shooting
      • Built-in Flash

      Pentax Optio I-10 Highlights

      • 12.1 MP 1/2.3-inch CCD Sensor
      • 80 - 6,400 Native ISO
      • 9 Focus Points
      • Image Stabilization
      • 2.70" 230k dot Fixed Screen
      • 1.0 fps Continuous Shooting
      • 1280 x 720 Video Shooting
      • Built-in Flash

      Now that we've looked at the most essential specifications and gained a basic understanding of these cameras, we can delve into more details and see the differences between them.

      Pros and Cons

      In this section we present pros and cons of Nikon D3100 and Pentax Optio I-10.

      PROS

      Nikon D3100

      Pentax Optio I-10

      •   Video Capture
      •   Face Detection
      •   Live View Autofocus
      •   Built-in Flash
      •   HDMI Output
      •   Orientation Sensor
      •   Video Capture
      •   80 Lowest Native ISO
      •   6,400 Highest Native ISO
      •   Live View Autofocus
      •   Image Stabilization
      •   Built-in Flash
      •   Light - 153 g (0.34 lb / 5.40 oz)
      •   Internal Storage
      •   Orientation Sensor

      CONS

      Nikon D3100

      Pentax Optio I-10

      •   Low Resolution Sensor - 14 Megapixel
      •   3,200 Highest Native ISO
      •   Timelapse Recording
      •   11 Focus Points
      •   1 Cross-type Focus Points
      •   No Image Stabilization
      •   Fixed Screen
      •   Low Resolution Screen - 230k dot
      •   Low Max Continuous Shooting - 3.0 fps
      •   Low Video Resolution - 1920 x 1080
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth
      •   No Environmental Sealing
      •   Short Battery Life - 550 shots
      •   Small Sensor
      •   Low Resolution Sensor - 12.1 Megapixel
      •   Timelapse Recording
      •   9 Focus Points
      •   No Face Detection
      •   Fixed Screen
      •   Low Resolution Screen - 230k dot
      •   No Viewfinder
      •   Low Max Shutter Speed (Mechanical or 1st Curtain) - 1/2000 sec
      •   Low Max Continuous Shooting - 1.0 fps
      •   No External Flash Connectivity
      •   Low Video Resolution - 1280 x 720
      •   No HDMI Output
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth
      •   No Environmental Sealing


      And here are some specifications which fall into average criteria and are neither in PROs nor in CONs category:

      AVERAGE

      Nikon D3100

      Pentax Optio I-10

      •   100 Lowest Native ISO
      •   -1 EV Min AF Detection
      •   Screen Size - 3.0"
      •   Max Shutter Speed (Mechanical or 1st Curtain) - 1/4000 sec
      •   Max Flash Sync Speed - 1/200 sec
      •   DxO Overall Score - 67
      •   Weight - 505 g (1.11 lb / 17.81 oz)
      •   Screen Size - 2.70"

      Advantage of Nikon D3100

      This section shows those features and specifications which are the reason to choose Nikon D3100 over Pentax Optio I-10.

      Nikon D3100 vs Pentax Optio I-10
      Larger Sensor APS-C vs 1/2.3-inch
      Higher Sensor Resolution 14 Megapixel vs 12.1 Megapixel
      RAW Support vs
      More Focus Points 11 vs 9
      Selective Autofocus vs
      Continuous Autofocus vs
      Face Detection vs
      Phase Detection for Autofocus vs
      Larger Screen 3.0" vs 2.70"
      Viewfinder Optical (pentamirror) vs
      Lower Min Shutter Speed 30 sec vs 4 sec
      Higher Max Shutter Speed (Mechanical or 1st Curtain) 1/4000 sec vs 1/2000 sec
      Higher Max Continuous Shooting 3.0 fps vs 1.0 fps
      External Flash Connectivity vs
      Manual Exposure Mode vs
      Aperture Priority vs
      Shutter Priority vs
      Average Metering vs
      Higher Video Resolution 1920 x 1080 vs 1280 x 720
      HDMI Output Mini Type C vs

      Check out other cameras which are frequently compared to Nikon D3100.

      Advantage of Pentax Optio I-10

      This section shows those features and specifications which are the reason to choose Pentax Optio I-10 over Nikon D3100.

      Nikon D3100 vs Pentax Optio I-10
      Lower Native ISO 100 vs 80
      Higher Native ISO 3,200 vs 6,400
      Max Image Resolution 4608 x 3072 vs 4000 x 3000
      Image Stabilization vs
      Spot Metering vs
      Lighter 505 g (1.11 lb / 17.81 oz) vs 153 g (0.34 lb / 5.40 oz)
      Internal Storage vs 26.7 MB

      Check out other cameras which are frequently compared to Pentax Optio I-10.

      Common Strengths and Weaknesses

      We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

      STRENGTHS Nikon D3100 Pentax Optio I-10
        Video Capture
        Live View Autofocus
        Built-in Flash
        Orientation Sensor
      WEAKNESSES Nikon D3100 Pentax Optio I-10
        Low Resolution Sensor14 Megapixel12.1 Megapixel
        Timelapse Recording
        Few Focus Points119
        Screen TypeFixedFixed
        Low Resolution Screen230k dot230k dot
        Low Max Continuous Shooting3.0 fps1.0 fps
        Low Video Resolution1920 x 10801280 x 720
        No Microphone Input
        No Headphone Output
        No Built-in GPS
        No Built-In Wi-Fi via Eye-Fi Eye-Fi Connection possible
        No Built-In Bluetooth
        No Environmental Sealing

      Screen and Viewfinder

      Screen

      Nikon D3100 has a 3.0" screen with 230k dot resolution and Pentax Optio I-10 has a 2.70" screen with 230k dot resolution. Both have Fixed screens.


      Optical (pentamirror) Viewfinder on Nikon D3100

      Nikon D3100 has a built-in Optical (pentamirror) viewfinder. It has a 95% coverage and 0.80x (0.53x 35mm equivalent) magnification. There is no built-in or optional viewfinder available on Pentax Optio I-10.

      Sensor

      Nikon D3100 features a 14 megapixel APS-C CMOS sensor with dimensions of 23.1 x 15.4 mm and a total area of 355.7 mm2. Its native ISO range is 100 - 3,200 and expands to 100 - 12,800 in boosted mode. Pentax Optio I-10 features a 12.1 megapixel 1/2.3-inch CCD sensor with dimensions of 6.17 x 4.55 mm and a total area of 20.7 mm2. Its native ISO range is 80 - 6,400.

      Photography Features

      Nikon D3100 is equipped with EXPEED 2 processor and can take pictures up to 4608 x 3072 resolution. It can also take pictures with lower resolution like 3456 x 2304, 2304 x 1536 with 3:2 aspect ratios. Pentax Optio I-10 is equipped with Prime processor and can take pictures up to 4000 x 3000 resolution. It can also take pictures with lower resolution like 4000 x 2256, 3072 x 2304, 3072 x 1728, 2592 x 1944, 2592 x 1464, 2048 x 1536, 1920 x 1080, 1024 x 768, 640 x 480 with 4:3, 16:9 aspect ratios.

      Image Stabilization on Pentax Optio I-10

      Pentax Optio I-10 has an image stabilization.

      Connectivity, Battery and Storage

      USB Inputs and HDMI Outputs

      Both models have USB 2.0 (480 Mbit/sec) inputs for data transfer. connector for video signal output.


      Battery

      Nikon D3100 comes with EN-EL14 battery pack with battery life of 550 shots and Pentax Optio I-10 comes with D-LI92 battery pack.


      External Storage Slots

      Nikon D3100 has a single SD/SDHC/SDXC card slot. Pentax Optio I-10 has a single SD/SDHC card slot.

      Other Features

      Shutter

      Nikon D3100 has Electronically controlled vertical-travel focal-plane shutter. Shutter speed can go up to 1/4000 sec on Nikon D3100, and up to 1/2000 sec on Pentax Optio I-10. Nikon D3100 can shoot continuously up to 3.0 fps. Pentax Optio I-10 can shoot continuously up to 1.0 fps.


      Focusing

      Nikon D3100 has 11 (1 cross-type) focusing points and Pentax Optio I-10 has 9 focusing points. Nikon D3100 has detection range from -1 to +19 EV.


      Exposure

      Exposure meterings of Nikon D3100 ranges from 0 to +20 EV and you can set the exposure compensation within the ±5 EV range on Nikon D3100 and ±2 range on Pentax Optio I-10. You can also do exposure lock and manual exposure adjustment on Nikon D3100 and exposure bracketing on Pentax Optio I-10.


      Flash

      Cameras have built-in flash with maximum range of 12.00 m at ISO 100 on Nikon D3100 and 4.00 m on Pentax Optio I-10. Nikon D3100 also accepts external flash which can be connected via Hot Shoe with sync and data contacts and safety lock. The fastest flash synchronization speed is 1/200 sec on Nikon D3100.

      Physical Parameters

      Nikon D3100 body has dimensions of 124 x 96 x 75 mm (4.88 x 3.78 x 2.95") and Pentax Optio I-10 body has dimensions of 101 x 65 x 28 mm (3.98 x 2.56 x 1.1"). Nikon D3100 weighs 505 g (1.11 lb / 17.81 oz) and Pentax Optio I-10 weighs 153 g (0.34 lb / 5.40 oz).

      Nikon D3100

      Pentax Optio I-10

      124 mm

      96 mm

      Image cannot be displayed

      101 mm

      65 mm

      Image cannot be displayed

      Size comparisons of Nikon D3100 and Pentax Optio I-10

      Nikon D3100 and Pentax Optio I-10 for Different Types of Photography

      We give scores to the cameras for six types of photography based on their features and specifications. Let us see how suitable they are for each type of photography.

      Landscape Photography

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      69
      •   Low Resolution Screen - 230k dot
      •   No Built-in GPS
      •   No Environmental Sealing
      POOR
      47
      •   Small Sensor
      •   Low Resolution Screen - 230k dot
      •   No Built-in GPS
      •   No Environmental Sealing

      Sports Photography

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      66
      •   3,200 Highest Native ISO
      •   11 Focus Points
      •   1 Cross-type Focus Points
      •   Face Detection
      •   No Image Stabilization
      •   Low Resolution Screen - 230k dot
      •   Low Max Continuous Shooting - 3.0 fps
      •   Short Battery Life - 550 shots
      •   Orientation Sensor
      AVERAGE
      58
      •   6,400 Highest Native ISO
      •   9 Focus Points
      •   No Face Detection
      •   Image Stabilization
      •   Low Resolution Screen - 230k dot
      •   No Viewfinder
      •   Low Max Continuous Shooting - 1.0 fps
      •   Orientation Sensor

      Wildlife Photography

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      58
      •   3,200 Highest Native ISO
      •   11 Focus Points
      •   1 Cross-type Focus Points
      •   No Image Stabilization
      •   Low Resolution Screen - 230k dot
      •   Low Max Continuous Shooting - 3.0 fps
      •   No Environmental Sealing
      •   Short Battery Life - 550 shots
      •   Orientation Sensor
      AVERAGE
      63
      •   6,400 Highest Native ISO
      •   9 Focus Points
      •   Image Stabilization
      •   Low Resolution Screen - 230k dot
      •   No Viewfinder
      •   Low Max Continuous Shooting - 1.0 fps
      •   No Environmental Sealing
      •   Orientation Sensor

      Portrait Photography

      Nikon D3100

      Pentax Optio I-10

      GOOD
      78
      •   11 Focus Points
      •   1 Cross-type Focus Points
      •   Face Detection
      •   No Image Stabilization
      •   Screen Size - 3.0"
      •   Low Resolution Screen - 230k dot
      •   Max Flash Sync Speed - 1/200 sec
      •   Orientation Sensor
      AVERAGE
      60
      •   Small Sensor
      •   9 Focus Points
      •   No Face Detection
      •   Image Stabilization
      •   Screen Size - 2.70"
      •   Low Resolution Screen - 230k dot
      •   No External Flash Connectivity
      •   Orientation Sensor

      Street Photography

      Nikon D3100

      Pentax Optio I-10

      GOOD
      78
      •   11 Focus Points
      •   1 Cross-type Focus Points
      •   No Image Stabilization
      •   Fixed Screen
      •   Low Resolution Screen - 230k dot
      •   No Built-in GPS
      •   No Environmental Sealing
      •   Weight - 505 g (1.11 lb / 17.81 oz)
      GOOD
      83
      •   Small Sensor
      •   9 Focus Points
      •   Image Stabilization
      •   Fixed Screen
      •   Low Resolution Screen - 230k dot
      •   No Viewfinder
      •   No Built-in GPS
      •   No Environmental Sealing
      •   Light - 153 g (0.34 lb / 5.40 oz)

      Travel Photography

      Nikon D3100

      Pentax Optio I-10

      GOOD
      79
      •   No Image Stabilization
      •   Fixed Screen
      •   Low Resolution Screen - 230k dot
      •   Low Video Resolution - 1920 x 1080
      •   No Built-in GPS
      •   No Environmental Sealing
      •   Weight - 505 g (1.11 lb / 17.81 oz)
      •   Short Battery Life - 550 shots
      EXCELLENT
      88
      •   Image Stabilization
      •   Fixed Screen
      •   Low Resolution Screen - 230k dot
      •   Low Video Resolution - 1280 x 720
      •   No Built-in GPS
      •   No Environmental Sealing
      •   Light - 153 g (0.34 lb / 5.40 oz)

      Evaluations

      We evaluate Nikon D3100 and Pentax Optio I-10 and give them scores of 61 and 49 out of 100 recpectively. We also give separate scores for 7 different categories according to the available features and specifications some of which are listed below. These evaluations are relative and may change each time a new camera is added to the database.


      Nikon D3100

      Pentax Optio I-10

      OVERALL
      61
      OVERALL
      49

      Sensor

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      67
      •   Low Resolution Sensor - 14 Megapixel
      •   100 Lowest Native ISO
      •   3,200 Highest Native ISO
      •   DxO Overall Score - 67
      POOR
      47
      •   Small Sensor
      •   Low Resolution Sensor - 12.1 Megapixel
      •   80 Lowest Native ISO
      •   6,400 Highest Native ISO

      Photo

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      59
      •   Timelapse Recording
      •   No Image Stabilization
      •   Max Shutter Speed (Mechanical or 1st Curtain) - 1/4000 sec
      •   Low Max Continuous Shooting - 3.0 fps
      •   Max Flash Sync Speed - 1/200 sec
      AVERAGE
      58
      •   Timelapse Recording
      •   Image Stabilization
      •   Low Max Shutter Speed (Mechanical or 1st Curtain) - 1/2000 sec
      •   Low Max Continuous Shooting - 1.0 fps
      •   No External Flash Connectivity

      Video

      Nikon D3100

      Pentax Optio I-10

      BAD
      14
      •   No Image Stabilization
      •   Low Video Resolution - 1920 x 1080
      POOR
      43
      •   Image Stabilization
      •   Low Video Resolution - 1280 x 720

      Focusing

      Nikon D3100

      Pentax Optio I-10

      GOOD
      82
      •   -1 EV Min AF Detection
      •   11 Focus Points
      •   1 Cross-type Focus Points
      •   Face Detection
      •   Live View Autofocus
      AVERAGE
      61
      •   9 Focus Points
      •   No Face Detection
      •   Live View Autofocus

      Screen and Viewfinder

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      66
      •   Fixed Screen
      •   Screen Size - 3.0"
      •   Low Resolution Screen - 230k dot
      POOR
      50
      •   Fixed Screen
      •   Screen Size - 2.70"
      •   Low Resolution Screen - 230k dot
      •   No Viewfinder

      Connectivity

      Nikon D3100

      Pentax Optio I-10

      AVERAGE
      61
      •   HDMI Output
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth
      BAD
      36
      •   No HDMI Output
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth

      Battery, Storage and Physical

      Nikon D3100

      Pentax Optio I-10

      POOR
      43
      •   No Environmental Sealing
      •   Weight - 505 g (1.11 lb / 17.81 oz)
      •   Short Battery Life - 550 shots
      POOR
      49
      •   No Environmental Sealing
      •   Light - 153 g (0.34 lb / 5.40 oz)
      •   Internal Storage


      For a full specification list please go to the specifications page:

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