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Double-Concave Lens
Description
Double Concave Lenses are used in beam expansion, image reduction, or light projection applications. These
lenses are also ideal for expanding the focal length of an optical system. Double Concave Lenses, which have
two concave surfaces, are Optical Lenses with negative focal lengths. Uni-Optics offers Double Concave lenses
with a variety of coating options.
 
Specification

Material:     Optical glass/Fused Silica
Design wavelength:    546.1nm
Diameter tolerance:    +0/-0.05mm
Focal tolerance:    +/-2%
surface quality :    40-20 S/D 
Centration:    1 arcmin 
Surface flatness:     N=3 △N=0.5 
Clear aperture:    90%
Bevel:     Protective
Coating    Optional
 Single layer MgF2
Multiple layers BBAR coating
Designed for 0° Angle of Incidence

 
Part No. Material F(mm) Φ(mm) R1=R2(mm) Tc(mm) Te(mm) Fb(mm)
ULDV010010 BK7 -10.0 10.0 10.7 2.0 4.5 -10.6
ULDV015127 BK7 -15.0 12.7 15.88 2.0 4.6 -15.6
ULDV020127 BK7 -20.0 12.7 21.07 2.0 4.0 -20.6
ULDV025127 BK7 -25.0 12.7 26.25 2.0 3.6 -25.7
ULDV030127 BK7 -30.0 12.7 31.44 2.0 3.3 -30.7
ULDV040127 BK7 -40.0 12.7 41.8 2.0 3.0 -40.7
ULDV050127 BK7 -50.0 12.7 52.17 2.0 2.8 -50.7
ULDV025025 BK7 -25.0 25.0 26.25 2.0 8.6 -25.7
ULDV035254 BK7 -35.0 25.4 36.62 2.0 6.5 -35.7
ULDV050254 BK7 -50.0 25.4 52.17 2.0 5.1 -50.7
ULDV075254 BK7 -75.0 25.4 78.09 2.0 4.1 -75.7
ULDV100254 BK7 -100.0 25.4 104 2.0 3.6 -100.7
ULDV150254 BK7 -150.0 25.4 155.830 2.0 3.0 -150.70
ULDV200254 BK7 -200.0 25.4 207.660 2.0 2.8 -200.70
ULDV250254 BK7 -250.0 25.4 259.490 2.0 2.6 -250.70
ULDV300254 BK7 -300.0 25.4 311.320 2.0 2.5 -300.70
ULDV050038 BK7 -50.0 38.0 52.340 3.0 10.1 -51.00
ULDV100038 BK7 -100.0 38.0 104.170 3.0 6.5 -101.10
ULDV150038 BK7 -150.0 38.0 156.000 3.0 5.3 -151.00
ULDV200038 BK7 -200.0 38.0 207.830 3.0 4.7 -201.00
ULDV500038 BK7 -500.0 38.0 518.810 3.0 3.7 -501.00
ULDV100050 BK7 -100.0 50.0 104.170 3.0 9.1 -101.00
ULDV150050 BK7 -150.0 50.0 156.000 3.0 7.0 -151.00
ULDV200050 BK7 -200.0 50.0 207.830 3.0 6.0 -201.00
ULDV250050 BK7 -250.0 50.0 259.660 3.0 5.4 -251.00
ULDV400050 BK7 -400.0 50.0 415.150 3.0 4.5 -401.00
ULDV500050 BK7 -500.0 50.0 518.820 3.0 4.2 -501.00
JLDV015127 JGS1 -15.0 12.7 14.110 2.0 5.0 -15.70
JLDV020127 JGS1 -20.0 12.7 18.710 2.0 4.2 -20.70
JLDV030127 JGS1 -30.0 12.7 27.920 2.0 3.5 -30.70
JLDV025254 JGS1 -25.0 25.4 23.320 2.0 9.5 -25.70
JLDV050254 JGS1 -50.0 25.4 46.320 2.0 5.6 -50.70
JLDV100254 JGS1 -100.0 25.4 92.330 2.0 3.8 -100.70
JLDV050038 JGS1 -50.0 38.0 46.480 3.0 11.1 -51.00
JLDV100038 JGS1 -100.0 38.0 92.490 3.0 6.9 -101.00
JLDV150038 JGS1 -150.0 38.0 138.500 3.0 5.6 -151.00
JLDV200038 JGS1 -200.0 38.0 184.500 3.0 5.0 -201.00

Ms. Lin

Mr. Wen

Ms.Chen