Nikon D3X vs Pentax Optio E70

In this comparison, we will evaluate the Nikon D3X and the Pentax Optio E70, 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 D3X was introduced in February 2009 and Pentax Optio E70 was introduced in January 2009. 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 D3X over Pentax Optio E70.

This section shows those features and specifications which are the reason to choose Pentax Optio E70 over Nikon D3X.

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 D3X has a 3.0" screen with 920k dot resolution and Pentax Optio E70 has a 2.40" screen with 112k dot resolution. Both have Fixed screens.

Optical (pentaprism) Viewfinder on Nikon D3X

Nikon D3X has a built-in Optical (pentaprism) viewfinder. It has a 100% coverage and 0.70x magnification. There is no built-in or optional viewfinder available on Pentax Optio E70.

Nikon D3X features a 24.5 megapixel Full Frame CMOS sensor with dimensions of 35.9 x 24.0 mm and a total area of 861.6 mm². Its native ISO range is 100 - 1,600 and expands to 50 - 6,400 in boosted mode. Pentax Optio E70 features a 10 megapixel 1/2.33-inch CCD sensor with dimensions of 6.08 x 4.56 mm and a total area of 20.8 mm². Its native ISO range is 64 - 6,400.

Nikon D3X is equipped with EXPEED processor and can take pictures up to 6048 x 4032 resolution. It can also take pictures with lower resolution like 5056 x 4032, 4544 x 3024, 3968 x 2640, 3792 x 3024, 3024 x 2016, 2976 x 1976, 2528 x 2016, 1984 x 132 with 3:2, 5:4 aspect ratios. Pentax Optio E70 can take pictures up to 3648 x 2736 resolution. It can also take pictures with lower resolution like 3648 x 2052, 3072 x 2304, 2592 x 1944, 2048 x 1536, 1600 x 1200, 1024 x 768, 640 x 480 with 4:3, 16:9 aspect ratios.

No Image Stabilization

The cameras do not have image stabilization. On Nikon D3X it means that you need lenses with optical image stabilization for vibration reduction. As for Pentax Optio E70 nothing can be done.

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 D3X comes with EN-EL4a battery pack with battery life of 4400 shots and Pentax Optio E70 comes with 2 x AA battery pack.

External Storage Slots

Nikon D3X has Dual CompactFlash (Type I/II, compliant with UDMA) card slots. Pentax Optio E70 has a single SD/SDHC card slot.

Shutter

Nikon D3X has Electronically controlled vertical-travel focal-plane shutter. Shutter speed can go up to 1/8000 sec on Nikon D3X, and up to 1/2000 sec on Pentax Optio E70. Nikon D3X can shoot continuously up to 5.0 fps.

Exposure

Exposure meterings of Nikon D3X ranges from 0 to +20 EV and you can set the exposure compensation within the ±5 EV range on Nikon D3X and ±2 range on Pentax Optio E70. You can also do exposure lock and exposure bracketing and manual exposure adjustment on Nikon D3X and exposure bracketing on Pentax Optio E70.

Flash

Pentax Optio E70 has a built-in flash with maximum range of 3.50 m. Nikon D3X has no built-in flash but an external flash may be connected via Hot Shoe or PC Terminal. The fastest flash synchronization speed is 1/250 sec on Nikon D3X.

Nikon D3X body has dimensions of 160 x 157 x 88 mm (6.3 x 6.18 x 3.46") and Pentax Optio E70 body has dimensions of 94 x 61 x 26 mm (3.7 x 2.4 x 1.02"). Nikon D3X weighs 1260 g (2.78 lb / 44.45 oz) and Pentax Optio E70 weighs 175 g (0.39 lb / 6.17 oz).

Nikon D3X

Pentax Optio E70

160 mm

157 mm

94 mm

61 mm

157 mm

61 mm