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Thread: Nak what would your prodiction be for gain on sw and also glidden 450 diamond Reply to Thread
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  Topic Review (Newest First)
02-22-13 07:01 PM
tank
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

Quote:
Nak wrote: View Post
No worries Harp!

Tank, here's a link to a free Calibration disc. First link is for a Bluray burner, second link for a DVD burner.

http://www.spectracal.com/downloads/...al-HDv1.0p.zip

http://www.spectracal.com/downloads/...1.0p_AVCHD.zip
Hey Nak
I finaly calculated my fl and im a little surprized by the results. I'm getting 14 fl with 108" screen and i'm surprized by how bright it looks. I've come to the conclustion that i feel that 14 fl is so bright because im comming from a grey screen and my fl was probably under 10 fl. Anyway im glad that you recommended me this light meter because i'll be able to keep a reading on my bulb as it ages and i'll better understand what's going on.

I'm also getting 37 fl in living room mode which is great for sports.
Thanks
02-22-13 01:37 PM
tank
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

Quote:
Nak wrote: View Post
No worries Harp!

Tank, here's a link to a free Calibration disc. First link is for a Bluray burner, second link for a DVD burner.

http://www.spectracal.com/downloads/...al-HDv1.0p.zip

http://www.spectracal.com/downloads/...1.0p_AVCHD.zip
Thanks Harp and Nak
02-21-13 09:31 PM
Nak
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

No worries Harp!

Tank, here's a link to a free Calibration disc. First link is for a Bluray burner, second link for a DVD burner.

http://www.spectracal.com/downloads/...al-HDv1.0p.zip

http://www.spectracal.com/downloads/...1.0p_AVCHD.zip
02-21-13 09:21 PM
Harpmaker
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

Quote:
tank wrote: View Post
Hi Nak i just received my light meter, and i wanted to know what image should i be trying to measure. I read up a little and i figured out how to take the measurement the problem i'm having is to stabalize the lux what image should i be sending through the projector for the meter testing

I don't have a 100 ire test pattern what else can i use?

Thanks
I'm not Nak, and I hope he doesn't mind me jumping in here, but I think you could make your own white image on your PC by making an image that is a solid white (RGB values are all 255) in the resolution of your PJ and then burn that to a DVD. However, I really suggest you get a proper calibration DVD which will have a 100 IRE image on it, and of course others, to help properly set your PJ's brightness, contrast and color settings.

When taking measurements with your light meter, place the sensor as close to the screen surface as you can with the sensor pointing toward the PJ. You want to measure the PJ light striking the screen, not the screen's reflectance. I found that you need to tilt the sensor slightly up, down, left and right a little until you get the brightest readings.
02-21-13 07:48 PM
tank
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

Quote:
tank wrote: View Post
Nak I'm sure that I like a brighter picture, it must be 16 fl to 20 for my personal taeste. That's why I'm impatiently waiting to receive my light meter so that my thoughts can become facts. I'm very happy with the shirwin Williams pro classic now that my projector is somewhat calibrated. I definitly will be sticking with the white screen, hopefully it doesn't start to dim on me with bulb age to the point where I'm not happy. The brighter modes are surprisingly well color balanced with a very respectable image, so that should keep my bulb going for a while.

Thanks
Hi Nak i just received my light meter, and i wanted to know what image should i be trying to measure. I read up a little and i figured out how to take the measurement the problem i'm having is to stabalize the lux what image should i be sending through the projector for the meter testing

I don't have a 100 ire test pattern what else can i use?

Thanks
02-06-13 10:48 AM
robsong
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

Thanks that's what I thinking of doing and go with Glidden Diamond 450.
02-06-13 10:26 AM
tank
Quote:
robsong wrote: View Post
I'm stuck at 16' to screen for now thanks.
I think that if your stuck at 16' it's even more important to use white because you'll have about 30% more brightness vs a grey .7 gain screen.

Calibrate well your contrast and you will really enjoy the picture.
02-03-13 11:45 PM
robsong
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

I'm stuck at 16' to screen for now thanks.
02-03-13 09:11 PM
tank
Quote:
robsong wrote: View Post
My projector is the Epson 8700ub and was looking at Silver Screen or Glidden Diamond 450 for my screen. My throw is 16' to 110" screen. My room has dark grey ceiling and dark red walls so which one thanks.
Hey robsong is it possible it move up your projector closer to your screen, you you notice a pretty big increase in brightness?
I tried it at that distance and I found it pretty dark, and that was with a new bulb. When I moved it to 10.5 feet the difference in brightness was very obvious. 110" is a pretty big screen, and I have a lot of brightness with mine but only at that distance from the screen.

Cheers
02-03-13 08:19 PM
tank
Re: Nak what would your prodiction be for gain on sw and also glidden 450 diamond

Quote:
robsong wrote: View Post
My projector is the Epson 8700ub and was looking at Silver Screen or Glidden Diamond 450 for my screen. My throw is 16' to 110" screen. My room has dark grey ceiling and dark red walls so which one thanks.
I'll give my vote for white, because you're room is treated for ambiant light. I'll only say white if this is for a basement theator with very little light comming in.

Cheers
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