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1951 USAF Glass Slide Resolution Targets

1951 USAF Glass Slide Resolution Targets

Negative Target (top)
Positive Target (bottom)

  • Negative and Positive Patterns On Glass
  • Two Sizes Available
  • Each is Boxed and Includes Resolution Value Chart
  • High Resolution Target Available (down to 645 lp/mm)

Resolution test slides with the 1951 USAF test pattern are available in either positive (chrome pattern on clear background) or negative (clear pattern on a chrome background). The positive pattern is recommended for quality control of microscopes and magnifiers. The negative pattern is ideal for collimators and other illuminated test equipment. Each is boxed and includes resolution value chart. Targets conform to MIL-S-150A.


 View Legend
Description Stock No. Price In Stock Qty
Showing 1-8 of 8 Items |  Sort by Spec
1951 USAF Hi-Resolution Target, 2" x 2" Positive
#58-198
$595.00
In Stock and Ready to Ship.
1951 USAF Hi-Resolution Target, 2" x 2" Negative
#55-622
$595.00
Out of Stock. Click to Receive an Email with Delivery Details.
1951 USAF Resolution Target, 2" x 2" Positive
#38-257
$160.00
In Stock and Ready to Ship.
1951 USAF Resolution Target, 2" x 2" Negative
#38-256
$160.00
In Stock and Ready to Ship.
1951 USAF Resolution Target, 3" x 3" Positive
#36-275
$195.00
In Stock and Ready to Ship.
1951 USAF Resolution Target, 3" x 3" Negative
#36-408
$195.00
In Stock and Ready to Ship.
1951 USAF Hi-Resolution Target, 3" x 3" Positive
#64-862
$1,295.00
In Stock and Ready to Ship.
1951 USAF Hi-Resolution Target, 3" x 3" Negative
#64-863
$1,295.00
In Stock and Ready to Ship.
Number of Line Pairs / mm in USAF Resolving Power Test Target 1951
Element
Group Number
 For High Res only
-2 -1 0 1 2 3 4 5 6 7 8 9
1 0.250 0.500 1.00 2.00 4.00 8.00 16.00 32.0 64.0 128.0 256.0 512.0
2 0.280 0.561 1.12 2.24 4.49 8.98 17.95 36.0 71.8 144.0 287.0 575.0
3 0.315 0.630 1.26 2.52 5.04 10.10 20.16 40.3 80.6 161.0 323.0 645.0
4 0.353 0.707 1.41 2.83 5.66 11.30 22.62 45.3 90.5 181.0 362.0 —
5 0.397 0.793 1.59 3.17 6.35 12.70 25.39 50.8 102.0 203.0 406.0 —
6 0.445 0.891 1.78 3.56 7.13 14.30 28.50 57.0 114.0 228.0 456.0 —
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