Olympus TG-870 vs Sony a1

Below is a extensive review of the Olympus TG-870 and Sony a1, one being a Ultracompact and the latter is a Pro Mirrorless by companies Olympus and Sony. There exists a crucial gap between the image resolutions of the TG-870 (16MP) and a1 (50MP) and the TG-870 (1/2.3") and a1 (Full frame) feature different sensor size.

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The TG-870 was launched 6 years earlier than the a1 and that is quite a serious gap as far as technology is concerned. Each of these cameras offer different body type with the Olympus TG-870 being a Ultracompact camera and the Sony a1 being a SLR-style mirrorless camera.

Before we go in to a in depth comparison, below is a quick highlight of how the TG-870 grades vs the a1 with respect to portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Olympus Stylus Tough TG-870 and Sony Alpha a1. The complete galleries are available at Olympus TG-870 Gallery and Sony a1 Gallery.

For anyone who is aiming to lug around your camera regularly, you should consider its weight and dimensions. The Olympus TG-870 offers outer dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") and a weight of 221 grams (0.49 lbs) and the Sony a1 has dimensions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") accompanied by a weight of 737 grams (1.62 lbs).

Analyze the Olympus TG-870 and Sony a1 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that time. Below is the front view measurements comparison of the TG-870 and the a1.

Taking into account dimensions and weight, the portability score of the TG-870 and a1 is 91 and 61 respectively.

Sometimes, it can be difficult to imagine the contrast between sensor measurements just by checking specs. The photograph below will provide you a better sense of the sensor sizes in the TG-870 and a1.

All in all, both of those cameras offer different megapixels and different sensor measurements. The TG-870 due to its tinier sensor is going to make getting shallow depth of field more challenging and the Sony a1 will resolve greater detail utilizing its extra 34 Megapixels. Higher resolution will also allow you to crop photographs a little more aggressively. The older TG-870 is going to be disadvantaged when it comes to sensor innovation.