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Trimble HoloTint FAQ

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-- Specifications -- What does photochromic / photochromatic mean? A photochromic (or photochromatic, the names are interchangeable) lens is one that automatically adjusts its tint level based on ambient light. In prescription eyeglasses, these are typically referred to as transition lenses. The Trimble HoloTint lens features a special coating that, when activated by ultraviolet (UV) rays, undergoes a chemical process that darkens the lens. It's actually the UV radiation that causes the change, not the photons making up the ambient light. As such, Trimble HoloTint will only activate against light sources that emit UV radiation (e.g. they won't work in a vehicle if the windows are tinted to block UV rays). What is the tint range? Trimble HoloTint adjusts between 45.2% visible light transmission (VLT) when used in dark or moderate light conditions and up to 11.0% VLT when used in the brightest environments. This VLT rating is for HoloTint itself and does not include the built-in tint in the HoloLens visor or the user-set brightness of the display, both of which add more contrast to a user's experience. Due to manufacturing tolerances, VLT percentages for Trimble HoloTint may vary ±3%. Are the lenses polarized? No. In our testing we found that adding a polarized lens to the front of a HoloLens device negatively impacted hologram visibility. How quickly will the tint transition between different lighting scenarios? The speed at which Trimble HoloTint adjusts its tint level is dependent on the magnitude of difference between the lighting in different environments as well as if the user is going from light-to-dark or dark-to-light. Generally speaking, the lens will adjust from clear to dark (e.g. pulling it out of the case into a sunny environment) in about 30 seconds. Going the opposite direction, HoloTint takes a little longer, generally about 90 seconds to go from tinted to clear (e.g. walking from a sunny environment into a dark shadow or indoors). What devices does HoloTint fit onto? Trimble HoloTint is compatible with any Microsoft HoloLens 2 based product, including HoloLens 2, HoloLens 2 Industrial Edition, HoloLens 2 Development Edition, and the Trimble XR10 with HoloLens 2. HoloTint is not compatible with HoloLens 1 or any other non-HoloLens device. How does Trimble HoloTint attach to my device? HoloTint consists of two main parts: the tint lens and the mounting brackets. The mounting brackets affix to either side of the HoloLens 2 device with screws and are intended to stay on the device permanently. The tint lens then snaps into the mounting brackets, allowing for easy removal and replacement. Page 2

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