Canon IXUS 165 vs Pentax 645D

Following is a comprehensive assessment of the Canon IXUS 165 versus Pentax 645D, one is a Ultracompact and the other is a Pro DSLR by rivals Canon and Pentax. There exists a crucial gap among the resolutions of the IXUS 165 (20MP) and 645D (40MP) and the IXUS 165 (1/2.3") and 645D (Medium format) possess different sensor measurements.

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The IXUS 165 was brought out 4 years after the 645D which is a fairly serious gap as far as camera technology is concerned. Both of these cameras offer different body type with the Canon IXUS 165 being a Ultracompact camera and the Pentax 645D being a Large SLR camera.

Before we go through a complete comparison, below is a simple summation of how the IXUS 165 matches up against the 645D with regard to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Canon IXUS 165 and Pentax 645D. The entire galleries are available at Canon IXUS 165 Gallery and Pentax 645D Gallery.

If you are intending to carry around your camera often, you're going to have to consider its weight and proportions. The Canon IXUS 165 comes with outer dimensions of 95mm x 54mm x 22mm (3.7" x 2.1" x 0.9") having a weight of 128 grams (0.28 lbs) whilst the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Compare the Canon IXUS 165 versus Pentax 645D in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at that moment. Following is the front view measurements comparison of the IXUS 165 compared to the 645D.

Factoring in dimensions and weight, the portability rating of the IXUS 165 and 645D is 96 and 50 respectively.

Quite often, it is very hard to visualize the contrast in sensor sizes only by going through technical specs. The pic here should offer you a far better sense of the sensor sizes in the IXUS 165 and 645D.

As you have seen, each of these cameras enjoy different megapixels and different sensor sizes. The IXUS 165 featuring a smaller sensor is going to make shooting shallower DOF harder and the Pentax 645D will provide more detail having its extra 20 Megapixels. Greater resolution will also allow you to crop photos far more aggressively. The more recent IXUS 165 provides an edge when it comes to sensor innovation.