How far away does a ceiling projector need to be?

The center of your lens should be about 43 inches (about 1.1m) from the ceiling. Give or take up to about 10cm.

Where is the best place to mount a projector?





You should place the projector with the center of the lens 8“ above the top edge of the screen. It has an offset of about 21 percent. That is, it should be higher than the screen by . 21 x screen height.

Do projectors have to be ceiling mounted?

Assuming you want a fairly permanent installation, your choices are basically – shelf mount or ceiling mount. Each has its advantages, however, essentially all projectors can be ceiling mounted, whereas slightly more than half of all home theater projectors (my best guess) can be shelf mounted.

Can a ceiling hold a projector?

Absolutely not. First, the drywall will almost certainly sag over time and leave a permanent bulge. That’s if (IF) the drywall doesn’t pull off the screws holding it to the ceiling. That is the risk of this scenario–not simply the projector coming down.

How far back does a projector need to be for a 120 inch screen?

Projection Distance

Screen or image size Projection distance (1) Minimum to Maximum Screw hole number (2)
80 inches (203 cm) 100 to 109 inches (255 to 278 cm) 4
100 inches (254 cm) 125 to 137 inches (319 to 348 cm) 3
120 inches (305 cm) 151 to 165 inches (383 to 418 cm) 2
150 inches (381 cm) inches (479 to 523 cm) 1




How far does a projector have to be from a 100 screen?

Ideally, you should use your projector’s manual or manufacturer’s website to calculate the best distance from the screen for your particular projector. A good rule of thumb for a 100-inch screen is to have your projector between 122 and 133 inches or around 10.5ft.

Does a projector need to be centered?

A projector does not have to be centered on the screen if the projector has the horizontal lens shift range to move the image onto the screen. Not all projectors have horizontal lens shift, which is not the same as keystone correction.

How far from the wall does a projector need to be?

Short throw projectors need to be between 5 and 10 feet away from the screen, depending on how large of an image you want. Short throw projectors have a throw ratio between .

How do I hide the wires from my ceiling projector?



How to Hide Projector Wires

  1. 1 Cover the wires with cable tunnels.
  2. 2 Tuck the wires behind crown molding.
  3. 3 Run the wires down a window frame.
  4. 4 Hang soundproofing material to cover the wires.
  5. 5 Sneak wires behind your couch and other furniture.
  6. 6 Run the wires through the ceiling and wall.

How do you mount a projector on the ceiling without studs?

If you don’t have access to the space above, your best bet is to install a section of plywood below the drywall. Make it large enough to span two joists. Finish the edges in a way that is appropriate for your style and make it into an inverted “pedestal” to hang the projector from.

How much weight can a drywall ceiling hold?

Ceilings are another matter, though, thanks to the direct downward pull of gravity. The average 2×4 ceiling joists can’t safely hold more than around 15 to 20 pounds regardless of the hanging hardware you use.

How much weight can a drywall anchor hold in a ceiling?



The weight a drywall anchor can hold varies enormously. Lightweight plastic drywall anchors can support 10 or 15 pounds, whereas the strongest bolts can support more than 200 pounds. However, it is generally recommended that only a quarter of the maximum weight is used per anchor.

What is the best distance between projector and screen?

The absolute “best” distance between the projector screen and room seating is hard to calculate. Instead, a general rule is that seats should be located a distance that is no less than double the width of the projected image, and no more than five times the width of the image (the furthest seat from the screen.)

How many lumens do you need to project in daylight?

How many lumens do you need to project in daylight? You need at least 2,500 lumens or lux of projector lamp brightness to successfully make your projector image appear in daylight, which is the strongest type of ambient light you’ll ever come across.

How far back should you sit from a 110 inch screen?

around 9 feet



So, if the width of your TV is 55 inches, the minimum viewing distance should be 110 inches or around 9 feet, while the maximum distance should be 275 inches or no more than 23 feet. In short, the first row of recliners should be placed at least 9 feet away from the screen.

How far should a projector be from a 72 inch screen?

Projection Distance

16:10 Aspect Ratio
Screen or image size Projection distance (1) Wide to Tele Offset from lens center (2)
60 inches 24 to 33 inches (61 to 84 cm) 3.7 inches (9 cm)
70 inches 28 to 39 inches (72 to 99 cm) 4.4 inches (11 cm)
80 inches 33 to 45 inches (83 to 113 cm) 5 inches (13 cm)

How far should a projector be from a 80 inch screen?

Projection Distance

Screen or image size (1) Projection distance (2) Wide to Tele
80 inches (203.2 cm) 93 to 150 inches (235 to 382 cm)
100 inches (254 cm) 116 to 188 inches (295 to 478 cm)
120 inches (304.8 cm) 139 to 226 inches (354 to 575 cm)
150 inches (381 cm) 174 to 283 inches (443 to 719 cm)

How far does a projector have to be from a 135 screen?

The old rule of thumb for 1080p is to sit right around 1.5 times your diagonal image size. Which in your case for a 135” screen would be about 16/17 feet back so you’re pretty much right on the money.

How far should you sit from 120 inch screen?



12 foot

With one caveat..which we will get to in a bit. If your family likes being near the center of the theater, then choose a screen size which has about 10 inches of diagonal for each foot of viewing distance. That’s about 120-inch diagonal for a 12 foot viewing distance.

How many foot Lamberts do I need?

The Society of Motion Picture and Television Engineers (SMPTE) recommended, in SMPTE 196M, a screen luminance of 16 foot-lamberts for commercial movie theaters, when measured “open-gate” (i.e. with no film in the projector). (Typical base density of 0.05 yields peak white of about 14 fL.)