Brand: ThorLabs | Category: Scientific & Laboratory Equipment
Positive focal length singlet lenses in Grade A N-BK7, near best form for infinite conjugate work. They are the general purpose focusing and collimating lens of an optics bench, offered from 6 mm to 75 mm diameter with a broadband antireflection coating.
| Parameter | Value |
|---|---|
| Substrate | N-BK7 Grade A, design wavelength 587.6 nm |
| AR coating range | 400 to 1100 nm, reflectance less than 1.0% per surface |
| Diameters | 6.0 mm, 9.0 mm, 1/2", 18.0 mm, 25.0 mm, 1", 30.0 mm, 1.5", 2" and 75.0 mm |
| Surface quality | 40-20 scratch-dig; surface flatness of the plano side lambda/2 or better |
| Centration | 3 arcmin or better; focal length tolerance plus or minus 1% |
| Damage threshold | 7.5 J per square centimetre at 1064 nm, 10 ns, 10 Hz |
Contact Vvon Technologies Limited, Bangladesh's authorised distributor for ThorLabs.
Phone: +880 1711-738207 | Email: info@vvon.com.bd