Resolution Test Charts

Chrome Glass SFRplus Test Chart

Brand: Imatest
Model: SKU: QI-SFR15-P-CG
Product description: This chart is produced with the highest precision process we have available. Chrome Glass SFRplus Test Charts are uni-tone, have 10:1 contrast, and do not include a step-chart. This means that they do
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Details：
Testing at Infinity can be simulated by using this chart as a reticle in a telescope along with a collimating light source.

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
（4）Full support for automated testing.

A full list of active areas and standard sizes is indicated in the table below:

Plate Size	Active Area	Squares	Bar to Bar
2.54cm x 7.62cm (3.94" x 3")	5 chart patterns*	5 x 9	Multi
5cm (1.97")	2cm x 3.6cm (0.79" x 1.42")	5 x 9	1.9cm (0.75")
5cm (1.97")	3cm x 4.2cm (1.18" x 1.65")	5 x 7	2.8cm (1.10")
10cm (3.94")	4cm x 7.2cm (1.57" x 2.83")	5 x 9	3.8cm (1.5")
10cm (3.94")	6.5cm x 9cm (2.56" x 3.54")	5 x 7	6cm (2.36")
12.7cm (5")	6cm x 10.8cm (2.36" x 4.25")	5 x 9	5.6cm (2.20")
12.7cm (5")	8.36cm x 11.7cm (3.29" x 4.61")	5 x 7	7.86cm (3.09")
17.8cm (7.01")	8cm x 14.4cm (3.15" x 5.67")	5 x 9	7.5cm (2.95")
17.8cm (7.01")	11cm x 15.4cm (4.33" x 6.06")	5 x 7	10.3cm (4.05")
22.9cm (9.02")	12cm x 21.6cm (4.72" x 8.50")	5 x 9	11.3cm (4.45")
22.9cm (9.02")	15cm x 21cm (5.90" x 8.27")	5 x 7	14.1cm (5.55")
30.5cm (12.01")	16cm x 28.8cm (6.30" x 11.34")	5 x 9	15.1cm (5.94")
30.5cm (12.01")	21cm x 29.4cm (8.27" x 11.57")	5 x 7	19.8cm (7.79")