I wish that Kensington had made this gadget closer in size to the original Orbit perhaps in the future they could offer multiple sizes. My concern is that whatever ergonomic gain I have made from the rotated wrist I have immediately lost from keeping my fingers spread out. As someone with average-size hands, I find that I have to extend my thumb and my ring fingers out to rest on the buttons, a position that is slightly uncomfortable. People with big hands will appreciate its size, people with normal-sized hands will struggle, and people with little hands should not bother buying this. It is substantially bigger than my Glorious D mouse, both 50% wider and 50% taller. If you switch to this trackball, expect to spend a couple weeks being slower at everything you do. None of this bad, but it does it take some time to get used to it. Additionally, I move the trackball around instead of moving the mouse around. With the Orbit, I use my thumb and ring fingers for the buttons and either my index or ring finger for the scroll ring. With a normal mouse, I use my index and middle fingers for the left and right mouse buttons and my index finger for the scroll wheel. There are, however, two challenges with the Orbit. Anyone having problems with CTS should find this position to be more comfortable. Because the Orbit is rotated somewhat to the right, it rotates my wrist and arm accordingly to a more ergonomic position. It only uses a small little area, and this can be very helpful for anyone with a small desk or who works in a “hotel” office or in coffee shops. Because the trackball is stationary, I don’t need a lot of space on my desk or a large mousepad.
I believe there are two primary advantages to using this trackball. The lower setting was too slow for my large super large monitor, and the higher setting was too fast to control precisely. I found that the middle setting worked best for me. Each time I press the DPI button, a small red LED on top blinks either one, two, or three times to indicate the setting that was chosen. Kensington provides no explanation of this phenomenon.
Perhaps there’s something different about the way a trackball works, or perhaps its sensors are not able to measure DPI precisely. Normally when you use a DPI button on a mouse, it switches between exact values.
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