Description: Glass Slide Contrast Resolution Targets Stage Board MIL-S-150A 1951 USAF Product Feature: Negative and Positive Patterns On the one Glass Each is Boxed Resolution Target Resolution test slides with the 1951 USAF test pattern are available in either positive (chrome pattern on clear background) adn 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 packed in plastic box Targets conform to MIL-S-150A. We supply different resolution target and Size:63mmX 63mm, Thickness:2mm Minimum: Group 0, Element 1 Maximum: Group 7, Element 6 Attention: In positive group 7, Element 6, it maybe have some lines is not very clear. So we print ten group pictures in target, you can find one that you feel better. 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 — If you can find more cheaper price slide,pls take note,some slide are print by black ink,easy to be erased.but our slide was plated by Chrome which is indelible. Payment: We accept paypal only!it is easy and safe! All payment must be made within 7 days after the auction ends. Very Appreciated. Shipping: The item will be shipped via international express as soon as the payment cleared and after the confirmed shipping address & phone number are provided. item will be shipped by epacket to United sates,United kingdom and Australia.it will take about 7-13 days. And pls note that other countries,item will be shipped by registered mail.It usually takes about 10-25 working days to delivered. Delivery tracking number will also be provided to buyers. For all orders, please note that: we ship the item to the address which list on the paypal,pls make sure the address on your paypal is correct. Because the package was shipped by registered mail,if the shipping is delay,pls contact us first, So we can resolve the problem for you. Return: We offer 14 days return policy. 100% satisfaction is our goal! If you have any problem when you receive the package please email us first asap. We will do our best to resolve problems for you. Feedback About the e-mail from our customers,we will reply within one day,but if you did not get reply within one day,pls give us more time. If you are satisfied with our items and service,pls do not forget left your positive feedback,very appreciated.
Price: 79.94 USD
Location: China
End Time: 2024-01-12T04:19:30.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: FotoHigh
Model: Chess board
MPN: Does Not Apply
Country/Region of Manufacture: China
