Originally Posted by richandy
Terrible sorry mate. I have an Epson 8100, less than 100 hour on the lamp. Room size is approx. 14 x 10. The Pj is 13'3" from the screen. The Screen wall is dark grey, and the other walls are dark squash color. The PJ is ceiling installed. I am planning to repaint it with some polyurethane and compare the image. As you well know, the image is better in person than the picture.
Those images seem to show your using a Auto ISO set to a lower level. Try a higher Auto setting (500/800) and take your shots using your Zoom/Iris to meter back the light received so that while still being under control it will be brighter than what is happening at 100/200 ISO.
If you add a matte Poly over the SS all you can expect is further attenuation. Spraying on a Satin variety would be better. Rolling any such Poly that has a sheen will be a disaster.
Please absorb this. A "FLAT"
Paint such as SS that "includes" a sufficient amount of satin Poly will exhibit more depth die to the paint being more translucent, and if applied in successive thin coats, (sprayed or rolled) present a mild "lensing" effect that will increase reflectance enough to make a difference. (...spraying on such paint is more controlled and exacting in it's results)... Top Coats only serve to either diffuse and refract light if Matte, or introduce unwanted sheen if Sating or semi-Gloss..
Now you COULD
lightly sand the original SS surface down to a slippery smooth state, apply 2-3 coats of a semi-Gloss Poly via spraying, then mix and apply a Top Coat of 66% SS and 33% Satin
Poly + 20% additional water. Without your actually re-Priming the original surface a bright white to help reflect absorbed light back into the more translucent 66/33+20 surface, that is about the only solution I can offer that won't detract more than it would help..