Epson Home Cinema 2100 and 2150 Projector Review – Calibration

Epson Home Cinema 2100 and 2150 Projector Review – Calibration Settings: Calibration Presets Notes, Best Mode Calibration, Brightest Mode Calibration

Epson Home Cinema 2100 and 2150 Calibration Presets Notes

Note: the lamp had over 100 hours before I made any measurements and performed my calibrations.

The 2150 has 4 picture presets: Dynamic, Bright Cinema, Cinema, & Natural. I performed 2 calibrations on the 2150, one for a dark room using Natural mode (eco lamp) and a brighter day mode using Cinema (normal lamp). In the past I have used Bright Cinema for my day mode calibration but this mode has a nonlinear gamma curve that is a pain to try and flatten out. Cinema and Natural both have relatively flat gammas. Natural mode seems to have replaced Epson’s THX mode from a few years ago. It even still has the color temp setting displayed in kelvin (i.e. 6500k). All the other modes use a numeric value (0 to 10).

Best Mode Calibration for 1080p and REC709 – Natural Mode

Like so many other projectors I have calibrated, the 2150 clips the whites ever so slightly (228 or so) in all modes and lowering contrast does nothing to help this matter. Thankfully there is super white to the rescue. Turning super white on raises the peak white performance way above the legal (video) level of 235 and almost to 255 the max for PC. This allowed me to turn up the contrast to 64 in Natural mode and still leave a little headroom with whites clipping at 238 or so. (note: do not increase contrast above 50 without turning on super white)

I started my white balance calibration with color temp set to 6500K. This resulted in a nonlinear performing red, green and blue. Both red & blue stared out around 100 at 20IRE and rose to 104 at 40IRE then lowered back to 100 on their way to 100IRE. Green had the opposite curve with it starting around 98 at 20IRE and dipping down to 93IRE around 40IRE then heading back up to 98 at 100IRE. The DeltaE measured an average of 6 across the grayscale. After white balance calibration DeltaE measured at or below 2. Considering the nonlinear issue above I’d say the end results are quite good.

Natural Mode Post-Calibration RGB Balance / Grayscale Tracking (target D65)
Natural Mode Post-Calibration RGB Balance / Grayscale Tracking (target D65)
IREPre-CalibrationPost-Calibration
10 IRE7010K7917K
20 IRE6446K6828K
30 IRE6444K6417K
40 IRE6444K6429K
50 IRE6442K6488K
60 IRE6488K6464K
70 IRE6514K6387K
80 IRE6562K6528K
90 IRE6512K6504K
100 IRE6553K6481K

Measurements taken at Mid-Zoom in Eco lamp.

Average Gamma Pre-Calibration: 2.33

Average Gamma Post-Calibration: 2.40 @ 1135 Lumens

My target for a dark room gamma is 2.4 and with past Epson’s setting the gamma to -1 usually got me in the ballpark, with the 2150 however leaving gamma at its default of ‘0’ garnered a 2.33 average so that is where I left it. After calibration I was able to achieve my target of 2.4 average.

Custom color temp for Natural mode w/6500K starting point.

RGBGainOffset
Red4645
Green4748
Blue4746
TypePre-CalibrationPost-Calibration
Contrast5064
Brightness5053
Color5050
Tint5050
Color Temp6500K6500K
Frame InterpolationOffOff
Super WhiteOffOn
TypePre-CalibrationPost-Calibration
Gamma00
Auto IrisHigh SpeedHigh speed
Sharpness55
Image Preset Mode22
Noise Reductionn/an/a
MPEG Noise Reduction10
Detail Enhancement2020
Natural Mode Post-Calibration Gamma Log 2.40 Average Gamma (target 2.40)
Natural Mode Post-Calibration Gamma Log 2.40 Average Gamma (target 2.40)

Brightest Mode Calibration for 1080P and REC709 – Cinema Mode

For my bright room calibration, I started in Cinema mode on normal (brightest) lamp. With the color temp set to 5 the 2150 averaged 7000k. The nonlinear red, green and blue errors I talked about in Natural mode were similar and slightly worse here in Cinema mode. DeltaE was in the 6-7 range. After white balance calibration DeltaE measured at or below 2 except for 10IRE which was 2.5.

Cinema Mode Post-Calibration RGB Balance / Grayscale Tracking (target D65)
Cinema Mode Post-Calibration RGB Balance / Grayscale Tracking (target D65)
IREPre-CalibrationPost-Calibration
10 IRE6844K7517K
20 IRE6759K6335K
30 IRE6887K6332K
40 IRE6911K6354K
50 IRE6953K6421K
60 IRE7017K6471K
70 IRE7039K6494K
80 IRE7057K6516K
90 IRE7087K6495K
100 IRE7039K6507K

Measurements taken at mid-zoom, Bright lamp.

Average Gamma Pre-Calibration: 2.23

Average Gamma Post-Calibration: 2.06 (target 2.10) @ 1791 Lumens

My target gamma for bright room is 2.10. At the default setting of ‘0’ gamma was 2.33. Raising it to ‘1’ along with white balance calibration got me an average of 2.06

Custom color temp for Cinema mode w/5 starting point.

RGBGainOffset
Red4546
Green4648
Blue3847
TypePre-CalibrationPost-Calibration
Contrast5050
Brightness5053
Color5048
Tint5050
Color Temp55
Frame InterpolationOffOff
Super WhiteOffOff
TypePre-CalibrationPost-Calibration
Gamma00
Auto IrisHigh SpeedHigh speed
Sharpness55
Image Preset Mode22
Noise Reductionn/an/a
MPEG Noise Reduction10
Detail Enhancement2020
Cinema Mode Pre-Calibration Gamma Log 2.06 Average Gamma (target 2.10)
Cinema Mode Pre-Calibration Gamma Log 2.06 Average Gamma (target 2.10)

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