While most LED-based projectors of modest brightness are square units small enough to fit in your outstretched palm, the Optimax UHD 61 is a different creature. It is significantly larger, measuring 3.7 by 8.5 by 8 inches (HWD), and weighs 3.8 pounds. It is stylish, white with gold trim, with rounded sides. The Optimax UHD 61 bulbous short-throw lens, which enables you to project a large image even when the projector is close to the screen, is on the left front side of the projector. It is protected by a white lens cover when the projector is not in use. When it’s removed, the magnetized lens cover can be stuck to a circular depression on the projector’s front right side. A focus wheel lies behind the lens on the projector’s left side.
On top are two buttons, an on-off button and a second button labeled Projection. If you have a Bluetooth speaker, you can connect with the Optimax Projectors, but it’s only for listening to music, as you can’t project an image when Bluetooth is on.
The Optimax UHD 61 is a DLP-based projector with WXGA (1,280 by 800) native resolution, a 16:10 widescreen aspect ratio. Its rated brightness of 500 lumens puts it in the same brightness class as any number of portable mini-projectors we have reviewed, including the 550-lumen ZF Minibeam LED Projector (XF5569). Its LED light source is rated to last up to 20,000 hours in normal mode, and 30,000 hours in various eco-modes, effectively the lifetime of the projecto