Aspherical Glass Lenses
Aspherical Glass Lenses
Type: EYLG
Lightweight, high-performance aspherical glass lenses
for various optical electronics applications.
Features
One Sho precision manufacturing process for an extremely compact, lightweight and high-performance lens
High-quality processing and measurement techniques for superior performance
Short focal length for compact size
High numerical aperture achieved via aspherical design
Wide temperature and humidity range for increased reliability and stability
Various lenses and lens material available for many different applications
RoHS compliant
Recommended Applications
Pickup lens for optical drive devices
Collimator lens for laser beam printers
Coupling lens for optical communication systems
Image formation lens for sensors
Explanation of Part Numbers
12 34 56 78 9 10 11 12
EY L G
Lens Barrel Series Design No. Additional Spec.
Product Code Anti-reection Coating
without For Optical disc drives Special Spec.
U D 1550 mm
A Lens Design
Aspherical
such as Lens
EYLG
with For Laser beam printers
M L B 1310 mm Number
Glass Lenses
Barrel etc.
C 1480 mm
For Optical
F
Communication Systems
F Single Coating
For Sensors Multi Coating
S M
None
N
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.
00 Dec. 2014Aspherical Glass Lenses
Specifi cations
For storages, laser beam printers, sensors and other applications
Collimator Lens
Item Wave Length Numerical Focal Length Working Distance Lens Diameter Mass (Weight) Cover Glass
Abbe Number
Part No. (nm) Aperture (mm) (mm) (mm) (mg) (mm)
EYLGULF429 780 0.20 14.96 12.81 f6.80 256 64 0.30
EYLGULM368 780 0.33 10.00 8.60 f8.00 250 46 0.25
EYLGULF425 780 0.23 12.50 10.63 f6.40 306 53 0.30
EYLGULF274 780 0.40 6.25 4.60 f6.40 234 53 0.25
EYLGULF276 780 0.25 8.00 6.34 f6.40 250 53 0.25
EYLGULF277 820 0.30 9.00 7.43 f6.40 230 53 0.30
EYLGULF278 780 0.24 14.91 13.24 f8.20 247 64 0.30
EYLGULF387 830 0.40 4.60 3.04 f6.40 125 64 0.25
EYLGULF405 785 0.16 24.32 22.73 f9.50 322 64 0.30
EYLGULF406 785 0.39 10.00 8.46 9.30 288 64 0.30
f
EYLGULF397 785 0.12 31.99 30.43 f9.30 318 64 0.30
EYLGULF398 785 0.18 20.99 19.47 f8.80 256 64 0.30
Dimensions in mm (not to scale)
EYLGULF429 EYLGULM368 EYLGULF425 EYLGULF274
f6.8
f6.4
f8.0
f6.3 f6.4
f5.3
f7.0
f6.00 min. f5.6
f
5.1 min.
f6.60 min.
f5.00 min.
f4.6 min. f4.18 min.
f5.30 min.
f6.08 min.
f4.7
f5.6
EYLGULF276 EYLGULF277 EYLGULF278 EYLGULF387
f8.2
f6.4
f6.4 f6.4
f7.4
f5.7
f4.0
f6.0
f4.00 min. f7.18 min.
f3.7 min.
f
5.43 min.
f3.35 min.
f2.92 min.
f6.74 min.
f4.80 min.
f3.4
f6.9
EYLGULF405 EYLGULF406 EYLGULF397 EYLGULF398
f9.3
f9.5 f9.3 f8.8
f8.0
f8.0 f8.0
f8.0
f7.80 min.
f7.8 min.
f7.80 min. f7.50 min.
f7.57 min.
f7.2 min.
f7.49 min.
f7.22 min.
f8.0
f7.7 f7.4
f7.6
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.
00 Dec. 2014
2.35
3.37
2.50
2.80
2.15
2.30
2.30
2.50
2.88
2.23
2.50
2.50