Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Pentax MX-1 and Panasonic 3D1 side-by-side from the front, back and top in their relative dimensions. 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). Panasonic 3D1 has external dimensions of 108 x 58 x 24 mm (4.25 x 2.28 x 0.94″) and weighs 193 g (0.43 lb / 6.81 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax MX-1 and the Panasonic 3D1. Panasonic 3D1 is clearly the smaller of the two cameras. Its body is 14mm narrower, 3mm shorter and 27mm thinner than Pentax MX-1.
Here is the back view size comparison of the Pentax MX-1 and Panasonic 3D1.
Now lets look at the top view comparison of Pentax MX-1 and Panasonic 3D1.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic 3D1 is significantly lighter (198g ) than the Pentax MX-1 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Pentax MX-1 nor Panasonic Lumix DMC-3D1 provides any type of weather sealing in their bodies, 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
Panasonic 3D1's 3.50" LCD screen is slightly larger than Pentax MX-1's 3" screen.
On the other hand, Pentax MX-1 LCD screen has a
Tilting feature where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels. On the other hand, Panasonic 3D1 has a fixed type screen which provides less flexibility in shooting positions compared to MX-1.