The Official 5000ES 4K Laser Sony Owner's Thread - Page 105 - AVS Forum | Home Theater Discussions And Reviews
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post #3121 of 3128 Old 11-18-2019, 03:03 PM
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Originally Posted by thrang View Post
Ok, so checking again - using some external lighting to see better, the iris seems fully open when off. When powering on, after 10 seconds or so, it closes about 20% (not at all completely), then opens again fully
Thanks for your observations.

That is the same pattern of behaviour that I am seeing in the 870 and 760.
That means that your iris is powered and functional.

Out of curiosity, when you say it closes 20%, do you mean it closes to a 20% opening or it only closes 20%?

To check for normal operation: When content is being viewed that contains light and dark parts (such as the 'famous' starfield shot in Interstellar (and the part immediately preceding that shot where he is recording the video in the cabin)), and Dynamic Control is set to Full, you should see obvious movement of the iris when going from bright to dark etc. Be sure you use the SDR version of the disc (or any suitable disc like Ghost in the Shell too) to check the operation of the iris as it is far more active in SDR films than HDR.

*It goes without saying that one should never look directly into the lens when lit and or course due caution should always be exercised when looking into the lens of any lit projector even from an angle*
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Last edited by Archibald1; 11-19-2019 at 08:09 AM.
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post #3122 of 3128 Old 11-18-2019, 06:15 PM
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Quote:
Originally Posted by Archibald1 View Post
Thanks for your observations.

That is the same pattern of behaviour that I am seeing in the 870 and 760.
That means that your iris is powered and functional.

Out of curiosity, when you say it closes 20%, do you mean it closes to a 20% opening or it only closes 20%?

To check for normal operation: When content is being viewed that contains light and dark parts (such as the 'famous' starfield shot in Interstellar (and the part immediately preceding that shot where he is recording the video in the cabin)), and Dynamic Control is set to Full, you should see obvious movement of the iris when going from bright to dark etc. Be sure you use the SDR version of the disc (or any suitable disc like Ghost in the Shell too) to check the operation of the iris as it is far more active in SDR films than HDR.

Cheers.
Only closes 20% or so...
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post #3123 of 3128 Old 11-19-2019, 03:16 AM
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Originally Posted by thrang View Post
Only closes 20% or so...
I see.
Have you checked (carefully) for operation using some of the examples I gave (if you have access to them that is).

“Remember to look up at the stars and not down at your feet. Be curious. And however difficult life may seem, there is always something you can do and succeed at. It matters that you don’t just give up."
Stephen Hawking.

Last edited by Archibald1; 11-19-2019 at 08:10 AM.
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post #3124 of 3128 Old 11-19-2019, 05:40 AM
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Brave souls looking into the 5000 lens. Be careful and use the proper angle to avoid the light beam. It’s something I will pass on doing and will just assume all is well with my iris.

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post #3125 of 3128 Old 11-19-2019, 08:32 AM
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Originally Posted by stefanop View Post
My 2 cents...I've tried with random movies; I find Digital Focus renders a too grainy image and ruins the film-like look of 5000ES. I definitely turn it Off.
As regards Iris, I still can't see any difference and so I'll wait for the enhanced users comment.
I was "resuming" watching of "Casino" (1995, Strato, HDR) last nite when I noticed that the image post-firmware upgrade is certainly "noisy" relative to pre-firmware upgrade. I searched for the DFO to turn it off and didn't seem to locate it. Where in the Menu is this?
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post #3126 of 3128 Old 11-19-2019, 12:24 PM
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Originally Posted by RS3771 View Post
I was "resuming" watching of "Casino" (1995, Strato, HDR) last nite when I noticed that the image post-firmware upgrade is certainly "noisy" relative to pre-firmware upgrade. I searched for the DFO to turn it off and didn't seem to locate it. Where in the Menu is this?
It is in the Reality Creation menu.
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post #3127 of 3128 Old 11-20-2019, 01:57 AM
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Quote:
Originally Posted by RS3771 View Post
I was "resuming" watching of "Casino" (1995, Strato, HDR) last nite when I noticed that the image post-firmware upgrade is certainly "noisy" relative to pre-firmware upgrade. I searched for the DFO to turn it off and didn't seem to locate it. Where in the Menu is this?
..and you better turn it off. With a lens like the one in the sony 5000, this function is detrimental….in my opinion.
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After suffering a Optical Block failure and a repair job gone bad - Chris Cooley and Sony did me right - I received a B Stock replacement with 16 Hours on the lamp (practically new) mine was 2.5 years old and 1400 Hours.
Now for Kris Deering to calibrate this puppy tommorow along with Lumagen DTM.... I have a lot of catching up to do since I have been down for almost three months.
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