Aspherical Glass Lenses Aspherical Glass Lenses Type: EYLG These products are aspherical glass lenses by using a press molding, and key devices of optical electronics not only provide compact and light weight but also high-performance by utilizing characteristics of aspherical design. Features High numerical aperture achieved via aspherical design Short focal length for compact size Appropriate lenses and lens material available for many different applications Wide temperature and humidity range for increased reliability and stability High-quality processing,measurement techniques and precision manufacturing process give less variation in optical properties RoHS compliant We can offer custam design,sampling and mass production as requested Recommended Applications Coupling lens for optical communication systems Collimator lens for optical communication systems Lens for LD applications Explanation of Part Numbers 12 34 56 78 9 10 11 12 EY L G Lens Barrel Series Design No. Additional Spec. Anti-reection Coating Product Code Special Spec. without For LD applications U L B Multi for 1310 nm Lens Design Aspherical such as Lens EYLG with Wide for Number Glass Lenses M For optical Barrel etc. W F Optical communicasions communication systems F Single for 700 nm M Multi for 700 nm N None Ratings Item Ratings Operating Temperature Range 30 to +85 C Storage Temperature Range 40 to +100 C Please contact the factory for packaging methods. Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 04 Feb. 2019Aspherical Glass Lenses Specifi cations Lenses for Optical Communications Designed with Suitable Working Conjugate Design Focal CG Wavelength Distance Distance Part No. Wavelength Length Magni cation ( L1) ( L2) (T>97 %) CG material / (mm) (nm) (mm) (mm) (nm) Thickness (mm) EYLGMFW135DR 1550 1260 to 1625 2.51 1.68 EYLGMFW192KR 1550 1260 to 1625 1.81 1.03 EYLGMFW192WR 1550 1260 to 1625 1.81 0.81 EYLGMFA265AR 1550 1260 to 1625 3.02 2.26 EYLGMFW479A 1550 1260 to 1625 1.59 0.93 EYLGMFB240BR 1310 1260 to 1625 1.40 1.13 10.69 5.0 EYLGMFB456R 1310 1260 to 1625 0.54 0.25 3.85 4.5 EYLGUFB508A 1310 1260 to 1625 0.55 0.25 3.98 5.3 EYLGUFB506A 1310 1260 to 1625 0.63 0.52 4.00 4.0 EYLGMFB245R 1310 1260 to 1625 BK7 t0.25 1.13 1.27 7.50 2.5 EYLGMFB295R 1310 1260 to 1625 1.35 1.27 10.18 4.0 EYLGMFB415R 1310 1260 to 1625 0.94 1.27 7.56 4.0 EYLGMFB480A 1310 1260 to 1625 0.93 1.20 5.73 2.0 EYLGMFB305R 1310 1260 to 1625 0.46 1.40 3.90 3.1 EYLGMFB502B 1310 1260 to 1625 0.46 1.00 3.50 3.1 EYLGMFB488A 1577 1260 to 1625 1.44 2.62 12.02 3.8 EYLGMFB463R 1570 1260 to 1625 1.48 2.15 12.10 4.2 EYLGMFB485A 1577 1260 to 1625 0.95 2.8 8.20 3.1 Effective Diameter N.A Dimensions (mm) Lens Beam (mm) Glass Part No. Diameter Shape Material Diameter Height Thickness (mm) S1 S2 S1 S2 type (D) (H) (T) EYLGMFW135DR 0.20 1.04 0.80 0.50 2.5 1.4 - K-PBK40 A-1 EYLGMFW192KR 0.30 1.08 0.82 0.34 2.5 1.4 - K-PBK40 A-1 EYLGMFW192WR 0.30 1.08 0.73 0.36 3.0 1.6 - K-PBK40 A-1 EYLGMFA265AR 0.22 1.33 1.14 0.60 3.0 1.6 - K-PBK40 A-1 EYLGMFW479A 0.26 0.82 0.70 0.26 1.8 1.4 - K-PBK40 A-1 EYLGMFB240BR 0.50 0.10 1.31 1.70 - 3.0 1.5 - K-VC89 A-2 EYLGMFB456R 0.50 0.11 0.34 0.64 - 1.8 1.0 - K-VC89 A-2 EYLGUFB508A 0.580.11 0.40 0.70 - 1.0 - 0.81 K-VC79 D EYLGUFB506A 0.480.12 0.59 0.76 - 1.0 - 0.63 K-VC89 D EYLGMFB245R 0.40 0.16 0.90 1.20 - 3.75 3.97 - K-VC89 B EYLGMFB295R 0.40 0.10 1.02 1.33 - 3.75 3.90 - K-VC89 B EYLGMFB415R 0.50 0.13 0.76 1.14 - 3.75 3.50 - K-VC89 B EYLGMFB480A 0.40 0.20 0.91 1.10 - 4.70 3.23 - K-VC89 B EYLGMFB305R 0.50 0.16 0.34 0.52 - 3.20 2.45 - K-VC89 B EYLGMFB502B 0.50 0.16 0.34 0.52 - 3.23 2.10 - K-VC89 B EYLGMFB488A 0.60 0.16 1.40 2.20 - 5.00 5.90 - K-VC89 B EYLGMFB463R 0.59 0.14 1.60 2.12 - 5.00 4.93 - K-VC89 B EYLGMFB485A 0.53 0.17 1.00 1.30 - 4.90 5.00 - K-VC89 B Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 04 Feb. 2019