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 VH-410 and Pentax MX-1 side-by-side from the front, back and top in their relative dimensions. Olympus VH-410 has external dimensions of 102 x 60 x 21 mm (4.02 x 2.36 x 0.83″) and weighs 152 g (0.34 lb / 5.36 oz) (including batteries). Pentax MX-1 has external dimensions of 122 x 61 x 51 mm (4.8 x 2.4 x 2.01″) and weighs 391 g (0.86 lb / 13.79 oz) (including batteries).
Below you can see the front view size comparison of Olympus VH-410 and Pentax MX-1. Olympus VH-410 is clearly the smaller of the two cameras. Its body is 20mm narrower, 1mm shorter and 30mm thinner than Pentax MX-1.
Here is the back view size comparison of Olympus VH-410 and Pentax MX-1.
Now lets look at the top view comparison of Olympus VH-410 and Pentax MX-1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus VH-410 is significantly lighter (239g ) than the Pentax MX-1 which may become a big advantage especially on long walking trips.
Unfortunately neither Olympus VH-410 nor Pentax MX-1 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
Olympus VH-410 and Pentax MX-1's LCD screens has the same diagonal size of 3".
On the other hand, Pentax MX-1 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 VH-410 has a fixed type screen which provides less flexibility in shooting positions compared to MX-1.