![]() The odd thing about the Optoma PK301 ’s pictures is that even with the power lead attached, its pictures don’t look as bright and dynamic as those of the supposedly less powerful 3M MP220. And if you want the picture to look really bright and punchy, you should probably shave another 10-inches off both those maximum sizes. In a reasonably bright room we’d say you’re looking at more like 40-45inches. For while we guess the projector will, technically, produce a picture that’s 150-inches across, you’ll struggle to see much content in it thanks to how little brightness is left in the image once it’s been pushed so far.Ī much more credible ‘maximum’ image size for the Optoma PK301 based on our tests would be around 60-65-inches in a darkened room. This is a huge picture to come from such a tiny projector – but unfortunately in our opinion it’s not a very realistic claim from Optoma. The Optoma PK301 ‘s spec sheet boldly claims that it can produce a 150-inch image in a dark room. However, the Optoma PK301 is cheaper than the MP220 by around £50, and handily ships with a ‘credit card’ remote control while you have to pay extra for a remote for the 3M offering. The 3M MP220 by comparison delivered 65 Lumens, and offers a similar WVGA native pixel count.Ĭontinuing the comparisons, the 3M MP220 is broadly similar with its connectivity, but its battery lasts for around two hours compared with 1.5 hours for the PK301. The Optoma PK301 ’s innards are built around a typical DLP Pico projection system, serving up a native WVGA resolution (800x480p) and a claimed brightness of 50 Lumens, when running off the built in battery, or an impressive-sounding 100 Lumens when it’s plugged into the mains. doc support might have been nice too, but most users will be able to make do using the file formats we’ve listed. mp4, 3gp), a selection of audio formats (aac, mp3, pcm, adpcm, wma, ogg) and JPEG/BMP photo files. The Optoma PK301 scores quite highly with its file compatibility, though, being able to handle Microsoft PowerPoint (.ppt, pptx), various movie formats (.avi. Chances are you’ll be using a large-capacity microSD card if you fancy using the Optoma PK301 without having to attach an external source to it. This might be enough for a few PowerPoints and photos, we guess, but it’s disappointingly small when compared with the 2GB of memory built into the 3M MP220. The provided USB cable can be used to upload up to 55MB of memory built inside the projector. At least Optoma has provided both VGA-to-Universal IO and normal USB to mini USB cables free in the box, though. However, the mini or universal nature of some of these ports will mean that many business or home users will have to invest in special adaptors rather than being able to use their standard cables right off the bat. Through these jacks it’s possible to connect laptops, netbooks, iPhones, iPads, BlackBerry handsets (via Presenter) or tablet PCs. The jacks on offer comprise a microSD card slot capable of handling up to 32GB cards a mini HDMI a universal I/O VGA input a composite video/stereo audio minijack input an audio output mini-jack and a mini USB input. ![]() We definitely wouldn’t recommend carrying the PK301 around without using its pouch.Ĭonnectivity is impressive – kind of. The only complaint we have about the Optoma PK301 ’s build is the lens, as the focus ring around it feels plasticky and flimsy, and the lens itself doesn’t sport a hardware cover. For unlike the bulky bag 3M ships with its recently reviewed 3M MP410, the PK301 ’s zip holder is hardly any bigger than the projector, and so an encased PK301 can still easily be transported in a jacket pocket. Welcome, too, is the little carry pouch that ships in the Optoma PK301 ’s box. It’s also rather attractive in its black, tactile finish, complete with pleasantly rounded top corners and a smart grille effect round the sides.
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