3" x 3" Positive Fluorescent, USAF 1951 Target

UV Fused Silica and Fluorescent USAF 1951 Resolution Targets

Stock #57-894

£314.50

Qty 1-4
£314.50

Qty 5
£283.05

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Optical Density OD (Average):

>3.0

Resolution:

Mimimum: Group -2, Element 1, Maximum: Group 7, Element 6

Dimensions (inches):

3 x 3

Surface Quality:

20-10

Thickness (mm):

1.20

Thickness Tolerance (mm):

(1.1 - 1.2)

Type:

Positive Fluorescent Target

Surface Flatness:

2λ

Coating:

Fluorescent Material - Peak Excitation @ 365, Peak Emission @ 550

Substrate:

Fused Silica

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Product Description

Chrome coated top surface will reflect UV radiation. Avoid direct skin contact and eye exposure to UV energy. UV protective eyewear sold separately. Fluorescent material adds 0.1 - 0.2mm to thickness of fluorescent targets.

Technical Information

Number of Line Pairs / mm in USAF Resolving Power Test Target 1951
Element	Group Number										For High Res only
Element	-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	—