Pentax RZ18 vs Sony NEX-7

Its time to examine more closely at the Pentax RZ18 vs Sony NEX-7, one being a Small Sensor Superzoom and the other is a Advanced Mirrorless by brands Pentax and Sony. There is a sizeable difference between the image resolutions of the RZ18 (16MP) and NEX-7 (24MP) and the RZ18 (1/2.3") and NEX-7 (APS-C) use different sensor size.

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The RZ18 was announced 3 months prior to the NEX-7 which means that they are both of a similar generation. Both cameras come with different body type with the Pentax RZ18 being a Compact camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before delving straight into a detailed comparison, below is a brief highlight of how the RZ18 grades versus the NEX-7 in relation to portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Pentax Optio RZ18 and Sony Alpha NEX-7. The whole galleries are viewable at Pentax RZ18 Gallery and Sony NEX-7 Gallery.

If you're intending to carry your camera frequently, you'll need to factor its weight and proportions. The Pentax RZ18 comes with exterior measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs) while the Sony NEX-7 has measurements of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") having a weight of 400 grams (0.88 lbs).

Take a look at the Pentax RZ18 vs Sony NEX-7 in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you use at that time. Here is the front view size comparison of the RZ18 vs the NEX-7.

Taking into consideration size and weight, the portability rating of the RZ18 and NEX-7 is 92 and 84 respectively.

Usually, it's tough to picture the gap between sensor sizing merely by going over specs. The photograph underneath will offer you a clearer sense of the sensor measurements in the RZ18 and NEX-7.

All in all, both the cameras posses different resolutions and different sensor sizing. The RZ18 using its tinier sensor is going to make shooting bokeh more difficult and the Sony NEX-7 will deliver greater detail with its extra 8MP. Greater resolution will let you crop images somewhat more aggressively.