Pentax RZ18 vs Sony A300

Below is a in-depth assessment of the Pentax RZ18 vs Sony A300, former being a Small Sensor Superzoom while the latter is a Entry-Level DSLR by competitors Pentax and Sony. There is a noticeable difference between the sensor resolutions of the RZ18 (16MP) and A300 (10MP) and the RZ18 (1/2.3") and A300 (APS-C) provide totally different sensor sizes.

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The RZ18 was announced 3 years later than the A300 and that is quite a sizable difference as far as tech is concerned. Both of the cameras feature different body design with the Pentax RZ18 being a Compact camera and the Sony A300 being a Compact SLR camera.

Before getting straight to a thorough comparison, here is a brief introduction of how the RZ18 scores vs the A300 with respect to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Pentax Optio RZ18 & Sony Alpha DSLR-A300. The whole galleries are viewable at Pentax RZ18 Gallery & Sony A300 Gallery.

If you're aiming to lug around your camera regularly, you are going to need to factor its weight and size. The Pentax RZ18 enjoys external dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs) while the Sony A300 has specifications of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") and a weight of 632 grams (1.39 lbs).

Check the Pentax RZ18 vs Sony A300 in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ dependant on the lens you are utilising during that time. The following is a front view measurements comparison of the RZ18 versus the A300.

Factoring in size and weight, the portability grade of the RZ18 and A300 is 92 and 64 respectively.

In many cases, it's tough to visualise the gap between sensor measurements simply by looking at technical specs. The photograph underneath will help give you a greater sense of the sensor dimensions in the RZ18 and A300.

As you can tell, the 2 cameras come with different resolutions and different sensor measurements. The RZ18 with its tinier sensor will make getting shallower DOF tougher and the Pentax RZ18 will give you more detail with its extra 6 Megapixels. Higher resolution will also enable you to crop photographs a good deal more aggressively. The fresher RZ18 is going to have an advantage when it comes to sensor innovation.