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PS75N USAF Negative Test Chart Group 2/1 to Group 9/3

S50 Plastic Sedgewick Rafter Counting Chamber

NE1 Horizontal Scale 10mm/0.1mm

NE11A Indexed Grid 1.0mm Pitch Squares

NE35 Numbered Grid 1mm Square

NE44 Concentric Circles 1mm-10mm

PS1 Stage Micrometer 10mm/0.1mm

MAG6 Measuring Magnifier (with Reticle Holder)

PS1R Stage Micrometer 10mm/0.1mm, Reflected Light

PS5 Stage Micrometer 20mm/0.01mm

PS8 Stage Micrometer 1mm/0.01mm

PS12 Stage Micrometer 0.1mm/0.002mm

PS20 Universal Calibration Slide

PS78 Stage Micrometer 1mm/0.01mm, Reflected Light

R71 USAF Positive Test Chart Group -2/1 to Group 7/6

PS75P USAF Positive Test Chart Group 2/1 to Group 9/3

S52 Glass Sedgewick Rafter Counting Chamber

CMC71 Indexed Grid 0.5mm Pitch Squares

FNE1 Film Reticles 10mm/0.1mm

200 Mesh Grid

300 Mesh Grid

C10 10μm Circular Aperture

L10 10μm x 1.5mm Rectangular Slit

C50 50μm Circular Aperture

L25 25μm x 1.5mm Rectangular Slit