Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Nikon P300 and Sigma DP3 Merrill side-by-side from the front, back and top in their relative dimensions. Nikon P300 has external dimensions of 103 x 58 x 32 mm (4.06 x 2.28 x 1.26″) and weighs 189 g (0.42 lb / 6.67 oz) (including batteries). Sigma DP3 Merrill has external dimensions of 122 x 67 x 59 mm (4.8 x 2.64 x 2.32″) and weighs 330 g (0.73 lb / 11.64 oz) (including batteries).
Below you can see the front view size comparison of Nikon P300 and Sigma DP3 Merrill. Nikon P300 is clearly the smaller of the two cameras. Its body is 19mm narrower, 9mm shorter and 52mm thinner than Sigma DP3 Merrill.
![Nikon P300 vs Sigma DP3 Merrill Camera Size Comparison - Front View]()
Comparison image of Nikon P300 and Sigma DP3 Merrill Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Nikon P300 and Sigma DP3 Merrill.
![Nikon P300 vs Sigma DP3 Merrill Camera Size Comparison - Back View]()
Comparison image of Nikon P300 and Sigma DP3 Merrill Size and Weight - Back View
Now lets look at the top view comparison of Nikon P300 and Sigma DP3 Merrill.
![Nikon P300 vs Sigma DP3 Merrill Camera Size Comparison - Top View]()
Top View Comparison image of Nikon P300 and Sigma DP3 Merrill Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon P300 is significantly lighter (141g ) than the Sigma DP3 Merrill which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Nikon Coolpix P300 nor Sigma DP3 Merrill provides any type of weather sealing in their body, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Nikon P300 and Sigma DP3 Merrill's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.