Olympus TG-4 vs Sigma SD1 Merrill

Following is a in-depth assessment of the Olympus TG-4 and Sigma SD1 Merrill, former is a Waterproof while the other is a Advanced DSLR by companies Olympus and Sigma. The resolution of the TG-4 (16MP) and the SD1 Merrill (15MP) is very close but the TG-4 (1/2.3") and SD1 Merrill (APS-C) possess totally different sensor measurements.

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The TG-4 was revealed 3 years after the SD1 Merrill which is a fairly big difference as far as camera technology is concerned. Both the cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before we go straight into a detailed comparison, below is a concise synopsis of how the TG-4 grades vs the SD1 Merrill in terms of portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Olympus Tough TG-4 & Sigma SD1 Merrill. The full galleries are available at Olympus TG-4 Gallery & Sigma SD1 Merrill Gallery.

In case you're aiming to carry around your camera, you will need to factor its weight and dimensions. The Olympus TG-4 enjoys physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) and the Sigma SD1 Merrill has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs).

Examine the Olympus TG-4 and Sigma SD1 Merrill in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you have attached at that time. The following is the front view overall size comparison of the TG-4 versus the SD1 Merrill.

Taking into consideration dimensions and weight, the portability score of the TG-4 and SD1 Merrill is 90 and 57 respectively.

Normally, it can be difficult to envision the difference in sensor sizes only by looking through specifications. The image below should provide you a better sense of the sensor sizing in the TG-4 and SD1 Merrill.

To sum up, the two cameras have got different resolutions and different sensor sizes. The TG-4 with its smaller sensor will make shooting shallower depth of field trickier and the Olympus TG-4 will render greater detail because of its extra 1 Megapixels. Greater resolution can also help you crop pics much more aggressively. The more recent TG-4 is going to have an advantage with regard to sensor innovation.