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 Olympus SZ-30MR and Nikon P510 side-by-side from the front, back and top in their relative dimensions. Olympus SZ-30MR has external dimensions of 106 x 69 x 40 mm (4.17 x 2.72 x 1.57″) and weighs 226 g (0.50 lb / 7.97 oz) (including batteries). Nikon P510 has external dimensions of 120 x 83 x 102 mm (4.72 x 3.27 x 4.02″) and weighs 555 g (1.22 lb / 19.58 oz) (including batteries).
Below you can see the front view size comparison of Olympus SZ-30MR and Nikon P510. Olympus SZ-30MR is clearly the smaller of the two cameras. Its body is 14mm narrower, 14mm shorter and 62mm thinner than Nikon P510.
Comparison image of Olympus SZ-30MR and Nikon P510 Size, Weight and External Dimensions - Front View
Now lets look at the top view comparison of Olympus SZ-30MR and Nikon P510.
Top View Comparison image of Olympus SZ-30MR and Nikon P510 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus SZ-30MR is significantly lighter (329g ) than the Nikon P510 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Olympus SZ-30MR nor Nikon Coolpix P510 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Olympus SZ-30MR and Nikon P510's LCD screens has the same diagonal size of 3".
On the other hand, Nikon P510 features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Olympus SZ-30MR has a fixed type screen which provides less flexibility in shooting positions compared to P510.