Thursday, April 4, 2019

What Can You Expect From A Daylight Projector Screen?

What Can You Expect From A Daylight Projector Screen?

Is it possible to use a projector in broad daylight?

Yes. You can use a projector in broad daylight. But you’ll not be able to see anything. So there’s that! At least not very clearly, or for too long, or be able to make out the precise colors, or have the desire to keep watching!
Daylight Projection Screen Outdoor

A projector-beam powerful enough to give direct competition to sunlight has not been invented yet, nor have projector screens that can absorb all the ambient light during daytime. 

Let’s quickly have a look at some essential definitions and stats to understand what kind of hacks need to be in place to create a successful daytime outdoor projector show.

The intensity of a light beam is measured in terms of Lumen and Lux. 

Lumen is calculated as the total quantity of light emitted by an object. 

Lumen/square meter gives Lux. 

The larger the surface area that light is spread across, the smaller the value of Lux. 

A field of light - like the surface area of a smartphone, is measured in Nits.

Here are a couple of numbers that will tell you how powerful a daylight projector needs to be, so it can be used out of doors.

Lux Values of Different Light Sources:

Sunlight - Varies from 1000 Lux on an overcast day to 110 000 Lux on a bright day.

DP2K-32B - The most powerful projector in the world - emits 43 000 Lumens (not lux), powered by a 7kW Ushio lamp. 
DP2K-32B 43000 Lumen 7kW Projector - Source: Barco

Standard Projectors - 3500 Lumens for home projectors, going up to 20 000 Lumens for commercial projectors. 

With an aspect ratio of 16:9 and an intensity of 10 000 Lumens, standard projectors can barely match sunlight's intensity during the daytime. 

Having said that, there are several workarounds to enjoy a projector show during the daytime in the outdoors. Instead of trying to manage the light beam intensity of a projector, focusing on improving projector screens to display pictures more clearly is the way to go. Carefully angled, creatively set up projector screens can significantly enhance a daylight projector show experience.

What Can You Expect From a Daylight Projector Screen?

Under favorable conditions, a decent outdoor projector show and an excellent indoor daylight show with the proper setup. Here are the six key parameters you can manipulate to put up the best possible daylight projector show:

Daylight Projection Screen During Daytime Outdoors
Daylight Projection Screen During Daytime Outdoors - Source: Elite Screens

1. Choosing the Right Spot

Shaded areas in the outdoors have a drastic reduction in sunlight intensity, capping in at 10 000 Lux. So, choose the right spot to set up your daylight projector screen. Avoid placing it in the way of direct sunlight. If possible, keep the sun behind the projector screen. If you are indoors, draw all the blinds and switch off the lights. The darker your room, the better the images.

2. Shade

Creating shade around the screen - with a slanting hood on top and the sides will also reduce the brightness around the screen area. That way, the screen is dealing with less ambient light, increasing sharpness and color contrast. 

3. Reflection

Use a daylight projector screen that provides very little to no reflection and banishes glares. The less reflective the projector screen surface is, the brighter the images projected will be. These kinds of screens also work well with rear projection. 

4. Make and Design of the Projector Screen

The latest tech around daylight projector screens for home use employs commercial grade material with a micro-saw tooth design that absorbs ambient light from above, preserves brightness, and maintains high contrast of the images projected. Invest in one of these screens so you can live stream the next Boston Red Sox match between your garden trees. 

5. Quality of the Projector

As we’ve already established, there are no daytime projectors, unlike daytime projector screens. But, the better the quality of the projector, the more enhanced the experience. Use an HD or 4K projector for the most vivid moving images. You can use a regular non-HD projector, but the quality of images will be low, especially in outdoor daylight.

6. Throw Ratio

The closer you can place the projector to the daylight projector screen, the better the resulting picture quality you get. Although there’s no standard size in which projector screens are available, when you buy one, try to calculate your projector's throw-ratio to go with one of appropriate width. 

Throw-ratio is the ratio of the distance between the projector and projector screen to the width of the projector screen. 

If you aren’t sure of the areas where you’ll be setting up the daylight projector show, go with a projector that has a shorter throw with a throw-ratio around 1.3:1, the logic being you can always zoom in from a greater distance.

Although you are mounting a projector show during the daytime, if possible, do it in the evening if it is out of doors. For indoor shows, you can always regulate the brightness of your surroundings. 

Outdoor Projection Screen in the Evening - Source: Jowilfriedtsonga

To sum it up, choosing the right daylight projector screen is the key to mounting a quality outdoor projector show during the daytime. 

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Daylight Projection Screen Outdoor - Source: Projector Reviews

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