From the side, a simple triangular wedge and semi-circle.įrom the top, a circle within a square – or trapezoid to be more exact. The Kensington Expert’s styling is simple, yet bold and sophisticated. Instead, the ball lets gravity do the work, and to remove the ball you simply grip it and lift, or just turn the whole device upside down and let the ball fall out. There is no access hole on the bottom either. This means inconsistent smoothness, wobbly scroll ring, and inconsistent tracking that could be affected by dust and fuzz. The scroll wheel relies on a metal ring, a magnet, and an infrared sensor. Something strange about the Expert is that the trackball does not actually snap into place like other models do. Weighing in at almost 1 pound or 450 grams, this absolute unit is solid enough to support even the largest of hands. The Expert measures at 15cm x 13cm x 7cm tall in the back end, or 5.8″ x 5.1″ x 2.7″.
The Kensington Expert is very large and very sturdy, and won’t be moving around at all while using it. One of the best things about having such a large top-mounted trackball with simple ambidextrous design is that you don’t even need to roll the ball with your hands or fingers.įor those that simply don’t have the dexterity or fine-motor skill required for using a traditional mouse, vertical mouse, or ergonomic trackball, the Kensington Expert could provide all the accessibility you need. You can even roll the ball all five fingers if you wanted to. The simple grid layout, coupled with the large ball, make the Expert very easy to use. Though larger hands and longer fingers may have no problems whatsoever using the Expert, a smaller hand may find the large ball obstructs you from accessing all the buttons and using the scroll ring without more movement. In fact, the scroll ring may become unresponsive for no reason at all. You might rotate the trackball slightly when using the scroll wheel, causing the cursor to select something and the scroll function to stop working. While this works well in theory, in practice you may be inconsistent in your double-button presses, instead registering a single-button click that activates an unwanted command. You can set commands for each button, as well as combination keys for the two top buttons, and two lower buttons, for a total of 6 unique button commands. Make sure to turn on acceleration for more precision and accuracy with smaller movements. Intense gaming may feel clumsy at first, but more casual games should be no problem. Ease of UsageĮven as a right-handed person, using this with your left hand still feels natural and easy for general use purposes. The height and angle mean it is best to use the provided foam and pleather pad, unless you like wrist pain. The sheer size of the Kensington Expert does mean you will still need to use side to side wrist movement, which may plave even more strain on your wrist. The symmetrical design and simple grid layout make casual use very natural and comfortable once you find your preferred hand placement and layout. Your ring finger can spin the scroll ring. The most comfortable position seems to be rolling the trackball with three fingers, while your thumb and pinky rest on the two lower buttons.Īnother way is to “claw grip” the north end of the ball, with your index and ring fingers occasionally resting on the two top buttons. The centrally located trackball is indeed smooth despite being so big and heavy. You may feel it especially in the top of your wrist.
Overall, the Kensington Expert is a very comfortable mouse with one caveat: the angle of the device, added with the height, may mean added stress placed on your wrist. Check Price Is The Kensington Expert Comfortable?
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