Graticules, Stage Micrometers, and Calibration Standards
Optical Resolution Charts (continued) Star Test Targets Specifications
Sector pitch: Number of sectors:
Unresolved center core: Outside diameter of image: Normal substrate: Overall size: Image type:
Cat.#
68098-08 68098-09
Description
Star Test Chart Sector Pitch 10 Star Test Chart Sector Pitch 5
NBS 25 Resolution Charts R60 NBS 25 Test Chart:
3-30 Lines per mm Chrome surface image B270 Glass 50mm x 50mm
A series of gratings diminishing in size as they go towards the central target. Lines range from 3 lines per mm to 20 lines per mm. Supplied as a positive high contrast chrome image on glass substrate 50mm x 50mm. Also available in low contrast and negative form.
Catalog # 68098-10
Description NBS 25 Chart 20 Lines per mm
Pattern R60
Qty each
NBS5 Bar Test (BS4657) 1-18 lines per mm Chrome Surface Image B270 Glass 75mm x 75mm
This consists of elements of 5 bars ranging from 1 line per mm to 18 lines per mm, with adjacent numbers indicating the number of lines per mm. Produced as a vacuum deposited chrome image on 75mm x 75mm glass.
Catalog # 68098-11
Description Pattern
NBS 5 Bar Test Ref 1963A BS 4657, R67 Chrome on Glass
R72 Sayce Logarithmic Test Chart
This chart is a photographic image featuring 90 lines and spaces of gradually decreasing width in logarithmic series. The charts have a base length of 100mm and are supplied on 0.175mm thick ester-based film. Typically in use, the image is examined to determine the finest detail that can be distinguished. The finest resolved line is then counted to define the resolution of the device. Includes 6 charts, resolution table and instructions for use.
Catalog # 68098-12
Description Sayce Logarithmic Test Chart
Pattern R72
Qty each Fax (215) 412-8450 or 8452 • email :
info@emsdiasum.com or
stacie@ems-secure.com •
www.emsdiasum.com Electron Microscopy Sciences In PA: (215) 412-8400 • Toll-Free (800) 523-5874 47 Qty each
R65 10° 36
0.2mm 25mm
B270 Glass 50 x 50mm
Vacuum deposited chrome
Pattern R65 R66
Qty.
each each
R66 5° 72
0.4mm
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52
