Nikon D90 vs Pentax Optio I-10

In this comparison, we will evaluate the Nikon D90 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 D90 was introduced in October 2008 and Pentax Optio I-10 was introduced in January 2010. Let us first list highlights of the models.

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.

This section shows those features and specifications which are the reason to choose Nikon D90 over Pentax Optio I-10.

This section shows those features and specifications which are the reason to choose Pentax Optio I-10 over Nikon D90.

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.

Screen

Nikon D90 has a 3.0" screen with 920k dot resolution and Pentax Optio I-10 has a 2.70" screen with 230k dot resolution. Both have Fixed screens.

Optical (pentaprism) Viewfinder on Nikon D90

Nikon D90 has a built-in Optical (pentaprism) viewfinder. It has a 96% coverage and 0.96x (0.64x 35mm equivalent) magnification. There is no built-in or optional viewfinder available on Pentax Optio I-10.

Nikon D90 features a 12.3 megapixel APS-C CMOS sensor with dimensions of 23.6 x 15.8 mm and a total area of 372.9 mm². Its native ISO range is 200 - 3,200 and expands to 200 - 6,400 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.

Nikon D90 can take pictures up to 4288 x 2848 resolution. It can also take pictures with lower resolution like 3216 x 2136, 2144 x 1424 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.

Pentax Optio I-10 has an image stabilization.

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 D90 comes with EN-EL3e battery pack with battery life of 850 shots and Pentax Optio I-10 comes with D-LI92 battery pack.

External Storage Slots

Cameras have a single SD/SDHC card slot.

Shutter

Nikon D90 has Electronically controlled vertical-travel focal-plane shutter. Shutter speed can go up to 1/4000 sec on Nikon D90, and up to 1/2000 sec on Pentax Optio I-10. Nikon D90 can shoot continuously up to 4.5 fps. Pentax Optio I-10 can shoot continuously up to 1.0 fps.

Exposure

Exposure meterings of Nikon D90 ranges from 0 to +20 EV and you can set the exposure compensation within the ±5 EV range on Nikon D90 and ±2 range on Pentax Optio I-10. You can also do exposure lock and exposure bracketing and manual exposure adjustment on Nikon D90 and exposure bracketing on Pentax Optio I-10.

Flash

Cameras have built-in flash with maximum range of 17.00 m at ISO 100 on Nikon D90 and 4.00 m on Pentax Optio I-10. Nikon D90 also accepts external flash which can be connected via Hot Shoe. The fastest flash synchronization speed is 1/200 sec on Nikon D90.

Nikon D90 body has dimensions of 132 x 103 x 77 mm (5.2 x 4.06 x 3.03") and Pentax Optio I-10 body has dimensions of 101 x 65 x 28 mm (3.98 x 2.56 x 1.1"). Nikon D90 weighs 703 g (1.55 lb / 24.80 oz) and Pentax Optio I-10 weighs 153 g (0.34 lb / 5.40 oz).

Nikon D90

Pentax Optio I-10

132 mm

103 mm

101 mm

65 mm