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
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
● Short
✽
We can offer custam design,sampling and mass production as requested
Recommended Applications
● Coupling
lens for optical communication systems
lens for optical communication systems
● Lens for LD applications
● Collimator
Explanation of Part Numbers
1
2
3
4
E
Y
L
G
Product Code
EYLG
Aspherical
Glass Lenses
Lens Barrel
U without
with
M
5
6
L
Series
For LD applications
F
For optical
communication systems
7
8
9
Anti-reflection Coating
B Multi for 1310 nm
Wide for
W Optical communicasions
F Single for 700 nm
M Multi for 700 nm
N None
10
11
Design No.
Lens Design
Number
12
Additional Spec.
Special Spec.
such as Lens
Barrel etc.
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. 2019
Aspherical Glass Lenses
Specifications
● Lenses
for Optical Communications
Part No.
Design
Wavelength
(nm)
EYLGMFW135DR
EYLGMFW192KR
EYLGMFW192WR
EYLGMFA265AR
EYLGMFW479A
EYLGMFB240BR
EYLGMFB456R
EYLGUFB508A
EYLGUFB506A
EYLGMFB245R
EYLGMFB295R
EYLGMFB415R
EYLGMFB480A
EYLGMFB305R
EYLGMFB502B
EYLGMFB488A
EYLGMFB463R
EYLGMFB485A
1550
1550
1550
1550
1550
1310
1310
1310
1310
1310
1310
1310
1310
1310
1310
1577
1570
1577
Effective Diameter
(mm)
N.A
Part No.
EYLGMFW135DR
EYLGMFW192KR
EYLGMFW192WR
EYLGMFA265AR
EYLGMFW479A
EYLGMFB240BR
EYLGMFB456R
EYLGUFB508A
EYLGUFB506A
EYLGMFB245R
EYLGMFB295R
EYLGMFB415R
EYLGMFB480A
EYLGMFB305R
EYLGMFB502B
EYLGMFB488A
EYLGMFB463R
EYLGMFB485A
Designed with
CG
CG material /
Thickness (mm)
–
–
–
–
–
–
–
–
–
BK7 t0.25
–
–
–
–
–
–
–
–
Suitable
Wavelength
(T>97 %)
(nm)
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
1260 to 1625
S1
S2
S1
S2
–
–
–
–
–
0.50
0.50
0.58
0.48
0.40
0.40
0.50
0.40
0.50
0.50
0.60
0.59
0.53
0.20
0.30
0.30
0.22
0.26
0.10
0.11
0.11
0.12
0.16
0.10
0.13
0.20
0.16
0.16
0.16
0.14
0.17
1.04
1.08
1.08
1.33
0.82
1.31
0.34
0.40
0.59
0.90
1.02
0.76
0.91
0.34
0.34
1.40
1.60
1.00
0.80
0.82
0.73
1.14
0.70
1.70
0.64
0.70
0.76
1.20
1.33
1.14
1.10
0.52
0.52
2.20
2.12
1.30
Focal
Length
(mm)
Working
Distance
(✽ L1)
(mm)
2.51
1.81
1.81
3.02
1.59
1.40
0.54
0.55
0.63
1.13
1.35
0.94
0.93
0.46
0.46
1.44
1.48
0.95
1.68
1.03
0.81
2.26
0.93
1.13
0.25
0.25
0.52
1.27✽
1.27✽
1.27✽
1.20✽
1.40✽
1.00✽
2.62✽
2.15✽
2.8✽
Conjugate
Distance
Magnification
(✽ L2)
(mm)
Dimensions (mm)
Beam
Diameter
Diameter Height Thickness
(mm)
(D)
(H)
(T)
0.50
2.5
1.4
0.34
2.5
1.4
0.36
3.0
1.6
0.60
3.0
1.6
0.26
1.8
1.4
3.0
1.5
1.8
1.0
1.0
0.81
1.0
0.63
3.75
3.97
3.75
3.90
3.75
3.50
4.70
3.23
3.20
2.45
3.23
2.10
5.00
5.90
5.00
4.93
4.90
5.00
-
–
–
–
–
–
10.69
3.85
3.98
4.00
7.50✽
10.18✽
7.56✽
5.73✽
3.90✽
3.50✽
12.02✽
12.10✽
8.20✽
–
–
–
–
–
5.0
4.5
5.3
4.0
2.5
4.0
4.0
2.0
3.1
3.1
3.8
4.2
3.1
Glass
Material
Lens
Shape
type
K-PBK40
K-PBK40
K-PBK40
K-PBK40
K-PBK40
K-VC89
K-VC89
K-VC79
K-VC89
K-VC89
K-VC89
K-VC89
K-VC89
K-VC89
K-VC89
K-VC89
K-VC89
K-VC89
A-1
A-1
A-1
A-1
A-1
A-2
A-2
D
D
B
B
B
B
B
B
B
B
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
Aspherical Glass Lenses
Spcifications
● Lenses
for LD applications
Part No.
Design
Wavelength
(nm)
EYLGULM216
EYLGULF273
EYLGULF274
EYLGULF276
EYLGULF277
EYLGULF279
780
780
780
780
780
780
EYLGULF292
780
EYLGULF319
780
EYLGULM330
780
N.A
Part No.
EYLGULM216
EYLGULF273
EYLGULF274
EYLGULF276
EYLGULF277
EYLGULF279
EYLGULF292
EYLGULF319
EYLGULM330
Suitable
Wavelength
(T>97 %)
(nm)
600 to 800
660 to 700
660 to 700
660 to 700
660 to 700
660 to 700
660 to 700
(T > 95 % )
660 to 700
(T > 95 % )
630 to 800
Designed with
CG
CG material /
Thickness (mm)
BK7 t0.25
BK7 t0.30
BK7 t0.25
BK7 t0.25
BK7 t0.30
BK7 t0.30
Focal Length
(mm)
Working
Distance
(mm)
Magnification
10.00
12.50
6.25
8.00
8.98
4.00
8.85
10.93
4.84
6.60
7.72
2.66
∞
∞
∞
∞
∞
∞
BK7 t0.27
6.00
3.82
∞
BK7 t0.25
12.50
11.12
∞
BK7 t0.25
3.59
2.55
∞
Effective Diameter (mm)
S1
S1
S2
0.33
0.23
0.40
0.25
0.29
0.50
0.35
0.23
0.29
6.06
5.07
4.15
3.36
4.79
2.96
2.85
5.20
1.58
6.60
5.70
5.00
4.00
5.40
4.00
4.20
5.70
2.16
Dimensions (mm)
Diameter
(D)
8.00
6.40
6.40
6.40
6.40
6.40
6.00
8.00
4.00
Thickness
(T)
2.15
2.80
2.50
2.50
2.30
2.50
4.20
2.50
2.00
Glass
Material
Lens Shape
type
K-VC81
K-VC80
K-VC80
K-VC80
K-VC80
K-VC80
K-PBK40
K-PBK40
K-PBK40
D
D
D
D
D
D
D
D
D
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
Aspherical Glass Lenses
Dimensions in mm (not to scale)
A-1
With Holder type
B
CAN type
C. D
H
L2
H
L1
D
D
W. D
D
W. D
A-2
With Holder type
H
C
With Holder type
D
Bare type
C. D
W. D
D
D
W. D
W
H
T
W.D : Working Distance
C.D : Coujugate Distance
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
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