Olympus TG-4 vs Sigma DP2 Merrill

Below, we are matching up the Olympus TG-4 versus Sigma DP2 Merrill, former being a Waterproof while the other is a Large Sensor Compact by competitors Olympus and Sigma. The resolution of the TG-4 (16MP) and the DP2 Merrill (15MP) is fairly well matched but the TG-4 (1/2.3") and DP2 Merrill (APS-C) come with totally different sensor dimensions.

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The TG-4 was announced 3 years later than the DP2 Merrill and that is quite a significant difference as far as tech is concerned. Both of these cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before getting straight into a step-by-step comparison, below is a short highlight of how the TG-4 grades against the DP2 Merrill in the way of portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Olympus Tough TG-4 & Sigma DP2 Merrill. The whole galleries are viewable at Olympus TG-4 Gallery & Sigma DP2 Merrill Gallery.

For those who are intending to carry your camera regularly, you'll have to factor in its weight and measurements. The Olympus TG-4 offers external measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) whilst the Sigma DP2 Merrill has proportions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") with a weight of 330 grams (0.73 lbs).

See the Olympus TG-4 versus Sigma DP2 Merrill in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you choose at the time. Here is the front view dimensions comparison of the TG-4 and the DP2 Merrill.

Taking into consideration size and weight, the portability grade of the TG-4 and DP2 Merrill is 90 and 83 respectively.

In many cases, it is tough to visualise the difference between sensor sizing purely by looking at a spec sheet. The graphic below may give you a stronger sense of the sensor measurements in the TG-4 and DP2 Merrill.

As you can see, each of these cameras have got different megapixel count and different sensor sizing. The TG-4 with its tinier sensor will make achieving shallow DOF more challenging and the Olympus TG-4 will give more detail with its extra 1 Megapixels. Greater resolution will help you crop images much more aggressively. The fresher TG-4 is going to have an advantage when it comes to sensor innovation.