Panasonic GF3 vs Pentax K-70

Following is a comprehensive review of the Panasonic GF3 vs Pentax K-70, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by brands Panasonic and Pentax. There is a significant difference among the image resolutions of the GF3 (12MP) and K-70 (24MP) and the GF3 (Four Thirds) and K-70 (APS-C) use different sensor size.

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The GF3 was unveiled 5 years prior to the K-70 which is a fairly sizable gap as far as camera tech is concerned. Both cameras offer different body type with the Panasonic GF3 being a Rangefinder-style mirrorless camera and the Pentax K-70 being a Compact SLR camera.

Before delving through a more detailed comparison, below is a concise overview of how the GF3 matches up against the K-70 with regard to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Panasonic Lumix DMC-GF3 and Pentax K-70. The full galleries are provided at Panasonic GF3 Gallery and Pentax K-70 Gallery.

If you're intending to carry around your camera frequently, you're going to have to factor its weight and size. The Panasonic GF3 enjoys outer measurements of 108mm x 67mm x 32mm (4.3" x 2.6" x 1.3") accompanied by a weight of 264 grams (0.58 lbs) while the Pentax K-70 has specifications of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") along with a weight of 688 grams (1.52 lbs).

Compare the Panasonic GF3 vs Pentax K-70 in the new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing at that moment. Below is the front view dimension comparison of the GF3 against the K-70.

Taking into account size and weight, the portability score of the GF3 and K-70 is 90 and 62 respectively.

In many cases, it can be tough to picture the difference in sensor sizes just by viewing technical specs. The image below will help give you a far better sense of the sensor measurements in the GF3 and K-70.

As you have seen, both cameras offer different megapixels and different sensor sizes. The GF3 having a smaller sensor is going to make shooting shallower depth of field more challenging and the Pentax K-70 will render more detail having an extra 12MP. Higher resolution will let you crop pictures a little more aggressively. The more aged GF3 will be disadvantaged in sensor technology.