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SFRplus Large LVT Film Chart

SFRplus Large LVT Film Chart Instructions Operating Manual SFRplus Large LVT Film Chart PDF
This SFRplus Large LVT Film Chart Instrument are Certified with
certify
1 Years Warranty (Additional support period of 3 years)

This transmissive (backlit) SFRplus test chart can be used with the Imatest SFRplus module to measure MTF, lateral chromatic aberration, distortion, and tonal response. The SFRplus module features fully automated region-of-interest detection.
The SFRplus chart offers significant advantages over commonly used charts such as the ISO 12233 chart, including

  1.  much less wasted area,
  2. the ability to produce a map of sharpness over the sensor surface,
  3. better measurement accuracy due to the lower contrast, and
  4. full support for automated testing.

Size

This chart has an active chart area of 48.3 cm x 26.81 cm (19 in x 10.56 in) in a total film size of 30.48 cm x 50.8 cm (12 in x 20 in). Bar-to-bar height is 252 mm (9.92 in).

This chart is produced with a high-precision, black and white, LVT film recording process for the best possible density range, low noise, and fine detail. The edges have an MTF50 >= 10 cycles/mm, which is about 2 times better than the best inkjet charts. For more information please take a look at our transmissive chart quality comparison! The large patterns are fine enough to produce good results with up to 30 megapixel cameras.

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  • our customer xiaomi
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  • huawei
  • our customer TRANSSION
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  • our customer Truly Opto Electronics

FAQs About  SFRPlus Test Charts

The ΔE (Delta E) formula of the CIELAB color space is usually used to measure color difference. The difference is measured in a colorimeter or spectrophotometer to gauge the level of perceptibility of the difference between two samples in terms of L*a*b*.


Because of its unmatched precision, ease of use, adherence to global standards, and consistent long-term reliability.


Ambient light, heat, and moisture levels should be regulated. The use of colored walls and reflective surfaces should be avoided, as they can damage the assessment of the sample colors visually.


Gloss is the general reflectivity of a surface, which encompasses a variety of degrees. One particular type of finish is high gloss, which has the maximum shine and reflectance. It increases the richness but emphasizes flaws as compared to satin or matte.


Spectrophotometers can only measure haze if it has haze measuring capabilities, as many measure color and transmittance.


Accurate readings can be obtained by keeping the sample clean, regular calibration, control of ambient light and appropriate measurement settings.

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