It has a limited zoom of 1.1x (controlled via a slider on the top panel) and a throw ratio of 1.48 to 1.62:1. Like many budget projectors, especially in the DLP category, the HD27 doesn't offer a lot of lens adjustment to aid in setup. The only other connections are a 3.5mm audio output, a 3D sync port for VESA, a 12-volt trigger (no RS-232), and a Type A USB port that can supply power to a connected peripheral like a wireless HDMI receiver. Optoma has not included any analog video connections like component or composite video. The connection panel includes two HDMI 1.4 inputs, one of which supports MHL to connect a streaming stick or compatible tablet. This is a bulb-based projector that uses a 195-watt lamp rated between 5,000 and 8,000 hours, depending on which lamp mode you use. It has a basic square shape with a nice glossy white finish, a built-in 10-watt speaker, and a side-oriented lens with a manual focus ring around it. The HD27 is a fairly petite projector, measuring 11.73 by 3.7 by 9 inches and weighing just 5.2 pounds. How does this little $649 projector measure up? Let's dig in and find out. The projector lacks some features found in step-up models, like a frame interpolation/smoothing mode and an auto iris to automatically adjust the light output to suit the content being displayed. The HD27 supports 3D playback and works with either DLP Link or VESA glasses, although no glasses are included in the package. The HD27 omits the DARBEE Visual Presence technology found in the HD28DSE it carries a higher brightness rating of 3,200 lumens but a lower overall contrast ratio rating of 25,000:1 (the HD28DSE is listed at 3,000 lumens and a 30,000:1 contrast ratio). This new model is a follow-up to the popular HD26 and comes in below the HD28DSE projector that Brian Kahn reviewed for us last year. If you want to assemble a truly big-screen entertainment system on a tight budget, you should definitely take a close look at the HD27. One of the newest additions to this lineup is the HD27, a 1080p single-chip DLP projector that carries an MSRP of just $649-and is currently selling for $624 on. What audience? Home entertainment projectors are designed to appeal to the more casual viewer who desires high value, high brightness, and high convenience and will likely use the projector in a everyday viewing environment like a living room or den, as opposed to a dedicated theater room. Pay a visit to the "Home Entertainment Projectors" section of Optoma's website, and you'll see that the company has no shortage of 720p and 1080p projectors targeted at this audience.
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