Optoma HD28i
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According to our projector expert
With the Optoma HD28i, you can watch clear and sharp projections. This projector supports Full HD resolution, so you can distinguish all details while you watch movies or play games. Thanks to the high light output of 4000 ANSI lumens, the projection is clear, even if you decide to leave the curtains open. As a result, the light output is high enough to show clear projections on a big screen in a conference room, for example.
The Optoma HD28i has a throw ratio of 1.47 - 1.63:1, which means you can place the projector between 1.47 and 1.63m away from the screen for a 1m wide projection. For a 2m wide projection, you can double this distance to 2.94 and 3.26m. Be sure to first check where you want to put the projector and if there's space. In doing so, you can adjust the angles with the vertical keystone correction, so the image isn't tilted upwards or downwards.
Sharpness | Full HD (1080p) | |
|---|---|---|
Brightness | 4000 ANSI lumen | |
Projector technology | DLP | |
Contrast ratio | 50000 | |
Throw ratio | 1,47 - 1,63 m | |
Recommended for use | Business use, Home cinema | |
Recommended for type of room | Conference room, Large space | |
Smart function properties |
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It's a great projector. What makes choosing a beamer difficult is that you cannot estimate how well it will perform in the environment where you want to use it. For example, this beame shines the image diagonally upwards (or diagonally downwards if you hang it from the ceiling). As a result, you have to place it either low or high and not exactly in front of the center of the screen.
The remote control is a bit of a tiny puny thing. And the remote control receiver is in the center on top of the device. You must therefore also take this into account when placing the device. Just like all connections at the back of the device.
Bart
5 December 2022
Automatically translated from Dutch
I bought this projector to replace a 720p projector from Optoma with 3000 lumens. The difference in light output with the old beamer (with old lamp) is huge. The beamer hangs in our living room, with windows all around. During the day, the projector provides more than enough light in ECO mode. The beamer is also very quiet in this position. In the evening the brightness can be a bit lower. This also benefits the noise level and lamp life. Adjusting the image/colors takes some time. But afterwards you can also put the remote control away. This is partly made possible because the beamer has an HDMI link. This links the switching on and off of the beamer to the input signal, for example from your amplifier or media player.
The remote control is a bit awkwardly small, but has the required shortcut keys. Certain options are tucked away in the menu. But as said; after setting it up, you can put the remote control away.
I hesitated between a 4K beamer and this 1080p. So far I am very satisfied with the image quality. The beamer hangs at a distance of about 4 meters, making the image diagonal about 2.80 meters.
Bas
7 October 2022
Automatically translated from Dutch
Works in one go to full satisfaction
Charles
9 October 2022
Automatically translated from Dutch
With Coolblue Extended Warranty, you are protected against costs due to quality defects of your projector for the next 5 years. During the entire term, we will reimburse up to the original purchase price. You can easily add the Extended Warranty in your shopping cart.
€ 34,99
one-timeAdd your projector to your shopping cart. In the next step, you can add the Extended Warranty. You can exchange or return your purchase for free within 30 days.
Product number | 911283 |
|---|---|
Manufacturer code | 95.78E01GC3E |
Brand | Optoma |
Warranty | 2 years |
Processing of your defect | Via Coolblue |
Sharpness | Full HD (1080p) | |
|---|---|---|
Brightness | 4000 ANSI lumen | |
Contrast ratio | 50000 | |
Throw ratio | 1,47 - 1,63 m | |
Recommended for use | Business use, Home cinema | |
Recommended for type of room | Conference room, Large space | |
Smart function properties | ||
Projector size | Normal |
Sharpness | Full HD (1080p) | |
|---|---|---|
Contrast ratio | 50000 | |
HDR support | ||
Input lag | 6 ms | |
Minimum image size (diagonal) | 34 inches | |
Maximum image size (diagonal) | 306 inches | |
Aspect ratio projection | 16:9 | |
Alternative aspect ratio | 4:3 | |
Projector technology | DLP | |
3D | ||
3D technology | Active | |
DLP Link |
Throw ratio | 1,47 - 1,63 m | |
|---|---|---|
Type throw ratio | Normal throw | |
Zoom function | ||
Maximum projection distance | 10 m | |
Keystone correction | ||
Keystone correction | Vertical | |
Vertical keystone degrees | 40 ° |
Type of light source | Standard | |
|---|---|---|
Expected lifespan lamp (normal use) | 6500 hours | |
Replaceable lamp | ||
Brightness | 4000 ANSI lumen |
Maximum noise level | 31 dB | |
|---|---|---|
Noise level (saving mode) | 29 dB |
Smart function properties | ||
|---|---|---|
Chromecast built in | ||
Screen mirroring option | ||
AirPlay | ||
Media player | ||
Memory card reader |
Built-in WiFi | ||
|---|---|---|
Bluetooth |
HDMI connector | ||
|---|---|---|
Type of HDMI connector | Standaard HDMI Type A | |
HDMI ARC (Audio Return Channel) | ||
Number of HDMI connectors | 2 | |
USB port | ||
Type of USB port | Standard USB-A | |
USB function | Data transfer, Device connection, Power source, Software updates | |
Number of USB ports | 1 | |
VGA connector | ||
Mobile HD Link (MHL) | ||
Digital optical connector | ||
Headphone jack | ||
Tripod connection | ||
Screen trigger | ||
Kensington lock |
Projector size | Normal | |
|---|---|---|
Weight | 3 kg | |
Height | 9 cm | |
Width | 30 cm | |
Depth | 23 cm | |
Color | White |
Battery (power source) |
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