This set includes one each of 5 cemented doublet achromats that we have large quantities in stock. If you can use any of them in your application or product we can supply good quantities at great surplus prices. Set includes: L3383: Mounted achromat, 5mm clear diameter by 9mm focal length L3955: 13mm diameter by 49mm focal length, coated L10589: 17.5mm diameter by 32mm focal length, coated L13857: 25.4mm diameter by 87mm focal length, coated L10762: Rectangular achromat, 32mm x 24mm with a focal length of 80mm, coated Our regular low surplus price for the 5 is $37.50 but the sample set is priced at just $20
