Epson Pro Cinema LS10500 Laser Home Theater Projector – Calibration Settings

October 1, 2018 / By Art Feierman

Epson Pro Cinema LS10500 Laser Home Theater Projector Review – Calibration Settings: Calibration Presets Notes, Best Mode Calibration, Brightest Mode Calibration & 4K Calibration

Epson Pro Cinema LS10500 Calibration Notes

My overall impressions on the performance of the LS10500 are very good. I discovered a few niggling issues during calibration but nothing that really hindered its best performance. The LS10500 has 7 presets (Dynamic, Bright Cinema, Natural, Cinema, B&W Cinema, Digital Cinema & Adobe RGB) plus 2 for 3D.

Note: The terminology used in this calibration page, Brightest Mode and Best Mode, refer to two modes of this projector. "Brightest Mode" refers to the brightest (calibrated) mode the projector has, while "Best Mode" refers to the mode with the best calibrated color offered by the projector. These modes will often not be named "Brightest" or "Best" in the projector's menu - these are merely terms we use to describe the brightest mode and the mode with the best color.

[sam_pro id=1_65 codes="true"]

Best Mode Calibration for 1080p and REC.709 – Cinema Mode

LS10500 Cinema Mode Post-Calibration RGB Balance Grayscale Tracking (target D65)
LS10500 Cinema Mode Post-Calibration RGB Balance Grayscale Tracking (target D65)

For my Best Mode (1080p) calibration, I used Cinema Mode with the light engine set to Bright. With Color Space set to Auto the projector produced a color gamut a little bigger than BT.709. After calibration, using the RGBCMY (CMS) controls the color gamut fell into a near perfect BT.709 across all luminance levels, resulting in very pleasing, natural colors. See the Advanced Calibration page for more details/charts and CMS settings.

The one area that bothered me a little was the fact that with the Contrast set to its default value of 0 the whites would clip quite a bit. This means you would lose detail in any content that’s close to peak white. There are 2 ways to fix this. Lower contrast to about -10 with Super White off or leave Contrast at 0 and turn on Super White, which is what I did. The default grayscale (white balance) in most of the modes including Cinema is a bit blue. I had to turn the Color Temp from 2 to -2 and Skin Tone from 2 to 0. This got me the closest to D65 before doing a 2-point RGB calibration. The end results are excellent with a DeltaE (error) less than 1.

Related to over driving the white level is the overly bright gamma curve (1.97 average) even with Gamma set to -1. A brighter gamma curve does not make the peak whites any higher but the low to mid tones are brighter giving the impression of a brighter picture. Through my 2-point white balance calibration I was able to get the gamma closer to my 2.20 target coming in at a 2.15 average.

[sam_pro id=1_38 codes="true"]

LS10500 Dynamic Mode Post-Calibration Gamma Log 2.15 Average Gamma (target 2.10)
LS10500 Dynamic Mode Post-Calibration Gamma Log 2.15 Average Gamma (target 2.10)
IREPre-CalibrationPost-Calibration
10 IRE8143K6342K
20 IRE8010K6376K
30 IRE8025K6442K
40 IRE8232K6478K
50 IRE8146K6588K
60 IRE8093K6636K
70 IRE8160K6570K
80 IRE8293K6525K
90 IRE8292K6575K
100 IRE8319K6557K

Measurements taken at Mid Zoom with Bright Lamp.

Average Gamma Pre-Calibration: 1.97

Average Gamma Post-Calibration: 215 @ 650 Lumens

[sam_pro id=1_35 codes="true"]

[sam_pro id=1_64 codes="true"]

TypePre-CalibrationPost-Calibration
Contrast00
Brightness00
Color03
Tint00
Color Temp2-2
Skin Tone20
Gamma0-1
Super WhiteOffOff
TypePre-CalibrationPost-Calibration
Dynamic ContrastHighHigh
Lens Iris00
Sharpness55
Super Resolution4K-34K-1
Noise ReductionOffOff
Detail Enhancement: Strength157
Detail Enhancement: Range4025
RGBGainOffset
Red-425
Green-525
Blue019

White Balance calibration settings for Cinema mode.

Cinema Mode Post-Calibration DeltaE 2000 (target below error of 3)
LS10500 Cinema Mode Post-Calibration DeltaE 2000 (target below error of 3)

Delta E is a metric for understanding how the human eye perceives color difference. The term delta comes from mathematics, meaning change in a variable or function. The suffix E references the German word Empfindung, which broadly means sensation. Simply put, look at Delta E as a measure of grayscale/color accuracy. 3 and under is considered ‘Excellent’ and imperceptible by the human eye.

[sam_pro id=1_68 codes="true"]

Brightest Mode Calibration for 1080P and REC.709 – Dynamic Mode

For my Brightest Mode (1080p) calibration I first tried Bright Cinema Mode. Problem is after calibration it’s only a tiny bit brighter with a larger than BT.709 color gamut. The gamma is also excessively bright at an average of 1.57 and could only be brought down to 1.80 with my calibration (target 2.10).

I next tried (and used) Dynamic Mode and was able to achieve a 40% higher peak luminance than Cinema Mode (1068 vs 650). The downside was the color locking into larger P3 gamut used for 4K HDR. I was able to calibrate it down, closer to BT.709 and the gamma curve was better than Bright Cinema Mode at a calibrated average of 2.15.

[sam_pro id=1_38 codes="true"]

LS10500 Dynamic Post-Calibration RGB Balance Grayscale Tracking (target D65)
LS10500 Dynamic Post-Calibration RGB Balance Grayscale Tracking (target D65)

The grayscale however is not as flat as I like. Blue takes a big nose dive starting at about 80 to 100 IRE. This causes the brighter whites to error towards a green tint. Even with these issues I would choose a calibrated Dynamic mode for my Brightest Mode viewing, especially when watching less accuracy conscience content like sports and news.

LS10500 Dynamic Mode Post-Calibration Gamma Log 2.15 Average Gamma (target 2.10)
LS10500 Dynamic Mode Post-Calibration Gamma Log 2.15 Average Gamma (target 2.10)
IREPre-CalibrationPost-Calibration
10 IRE7487K6023K
20 IRE7337K6517K
30 IRE7485K6665K
40 IRE7439K6878K
50 IRE7333K6838K
60 IRE7304K6863K
70 IRE7042K6843K
80 IRE6727K6545K
90 IRE6464K6323K
100 IRE6237K6060K

Measurements taken at Mid Zoom with Bright Lamp.

Average Gamma Pre-Calibration: 2.32

Average Gamma Post-Calibration: 2.15 (target 2.10) @ 1078 Lumens

[sam_pro id=1_43 codes="true"]

TypePre-CalibrationPost-Calibration
Contrast0-7
Brightness00
Color00
Tint00
Color Temp0-2
Skin Tone40
Gamma00
Super WhiteOffOff
TypePre-CalibrationPost-Calibration
Dynamic ContrastHighHigh
Lens Iris00
Sharpness55
Super Resolution4K-34K-1
Noise ReductionOffOff
Detail Enhancement: Strenght227
Detail Enhancement: Range4025
RGBGainOffset
Red-420
Green-528
Blue411

White Balance calibration settings for Dynamic mode.

Dynamic Mode Post-Calibration DeltaE 2000 (target below error of 3)
LS10500 Dynamic Mode Post-Calibration DeltaE 2000 (target below error of 3)

4K with HDR – Digital Cinema Mode

Last but not lease I performed a 4K/HDR calibration. I used Digital Cinema Mode for this calibration. Like Cinema Mode I used for my Best Mode, the color gamut performance is excellent with it adhering very close to the DCI/P3 spec, which is where most current 4K/HDR displays are aiming for.

Epson’s first stab at HDR with their 6040/5040 models offered 4 HDR presets along with Auto. When the projector was set to Auto, it defaulted to number 2. Problem was number 2 was a little dark (crushed blacks). Now with the LS10500 they have added an Auto Bright mode which defaults to the preferred number 1 HDR preset.

[sam_pro id=1_38 codes="true"]

Digital Cinema Mode (HDR Mode 1 / Auto Bright) Post-Calibration RGB Balance / Grayscale Tracking (target D65)
LS10500 Digital Cinema Mode (HDR Mode 1 / Auto Bright) Post-Calibration RGB Balance / Grayscale Tracking (target D65)

Default white balance was pushing blue into the 8600K – 9000K range. DeltaE was running from 0 on the low end to 12+ from 60 to 100IRE. After white balance calibration it improved a bit but not to the same accuracy I got with my Best Mode calibration. White balance was averaging between 6400K to 6500K and EOTF (gamma) was very good when set to Auto Bright (HDR mode 1).

[sam_pro id=1_65 codes="true"]

Digital Cinema Mode (HDR Mode 1 / Auto Bright) Post-Calibration (Electro-optical Transfer Function) aka gamma
LS10500 Digital Cinema Mode (HDR Mode 1 / Auto Bright) Post-Calibration (Electro-optical Transfer Function) aka gamma
IREPre-CalibrationPost-Calibration
10 IRE8966K6962K
20 IRE11257K6701K
30 IRE9387K6559K
40 IRE8935K6586K
50 IRE8881K6525K
60 IRE8709K6646K
70 IRE8710K6505K
80 IRE8614K6422K
90 IRE8614K6422K
100 IRE8601K6401K

Measurements taken at Mid Zoom Bright Lamp.

ETOF (gamma) Post-Calibration: HDR Auto Bright (HDR 1) tracked very flat across the entire lumenence range @ 804 Lumens.

TypePre-CalibrationPost-Calibration
Contrast00
Brightness00
Color00
Tint00
Color Temp2-2
Skin Tone20
Gamma00
Super WhiteOffOff
TypePre-CalibrationPost-Calibration
Dynamic ContrastHighHigh
Lens Iris00
Sharpness55
Super Resolutionn/an/a
Noise ReductionOffOff
Detail Enhancement: Strengthn/an/a
Detail Enhancement: Rangen/an/a
RGBGainOffset
Red20
Green-2-1
Blue40

White Balance calibration settings for Digital Cinema mode.

Digital Cinema Mode (HDR Mode 1 / Auto Bright) Post-Calibration DeltaE 2000 (target below error of 3)
LS10500 Digital Cinema Mode (HDR Mode 1 / Auto Bright) Post-Calibration DeltaE 2000 (target below error of 3)
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