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HFTLSQ/HFDLSQ
Focal length f
Diameter φDc
Clear aperture φDe
Length L
Lens mounting thread Ma
Protective window thread Mb
Numerical aperture (NA)
Working distance (WD)
Acceptance angle
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High performance multi-element focusing lens. They are suitable for focusing and collimating solid state lasers like Yb fiber laser, YAG laser and YVO4 laser.

◦Engineered and designed to reduce the effects of thermal expansion.
◦Corrected for spherical aberration and coma at 1064nm. Diffraction limited for F number ≧2 (NA≦0.25)
◦AR coating optimized from 1040 − 1150nm with transmission at 633nm for pointed lasers

Related product
Products
Technical Data
Documents/Downloads
Guide

▶Please contact our Sales Division for customized products. (Customized on size etc.)

Attention

▶Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.
▶Protective window as an option is not Anti-reflection coated.
▶Incident a beam from the side with the screw.

Common Specifications
MaterialSynthetic fused silica
Material of frameAluminum (Finishing: Black anodized)
Design wavelength1064nm
CoatingBroadband Multilayer Antireflection Coating
Transmittance >98.5% (1060 - 1080nm)
>97% (1040 - 1150nm)
>53% (600 - 700nm)
Laser Damage Threshold7J/cm2 
(Laser pulse width 10ns, repetition frequency 20Hz)
Outline Drawing

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Schematic

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Drawing of adapter for HFTLSQ-15-20PF1

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Drawing of adapter for HFTLSQ-20-30PF1

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Spec
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Part Number
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    JP Yen Stock Qty
HFTLSQ-15-20PF1
HFTLSQ-20-30PF1
HFTLSQ-30-40PF1
HFTLSQ-30-50PF1
HFTLSQ-30-60PF1
HFTLSQ-30-80PF1
HFTLSQ-30-100PF1
HFDLSQ-30-150PF1
HFTLSQ-50-100PF1
HFDLSQ-50-200PF1
HFDLSQ-50-300PF1

20mm

φ24mm

φ12mm

16mm

M22 P0.75

M22 P0.75

0.3

13.7mm

±1.8°

30.3mm

φ30mm

φ17mm

21mm

M28 P0.75

M28 P0.75

0.28

22mm

±1.2°

40mm

φ36mm

φ27mm

31mm

M34 P0.75

M28 P0.75

0.34

24.9mm

±1°

50mm

φ36mm

φ27mm

28mm

M34 P0.75

M28 P0.75

0.27

35.4mm

±1°

60.1mm

φ36mm

φ27mm

23mm

M34 P0.75

M34 P0.75

0.22

51.4mm

±1°

80mm

φ36mm

φ27mm

23mm

M34 P0.75

M34 P0.75

0.17

71.7mm

±1°

100mm

φ36mm

φ27mm

23mm

M34 P0.75

M34 P0.75

0.14

92.7mm

±1°

150mm

φ36mm

φ27mm

18mm

M34 P0.75

M34 P0.75

0.09

131mm

±1°

99.9mm

φ54mm

φ47mm

35mm

M50.9 P0.75

-

0.24

84.2mm

±1°

199.6mm

φ54mm

φ47mm

23mm

M50.9 P0.75

-

0.12

185.7mm

±1°

300mm

φ54mm

φ47mm

23mm

M50.9 P0.75

-

0.08

286.2mm

±1°

RoHS  

¥105,000

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RoHS  

¥105,000

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RoHS  

¥105,000

LOW
RoHS  

¥105,000

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RoHS  

¥105,000

LOW
RoHS  

¥105,000

IN STOCK
RoHS  

¥105,000

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RoHS  

¥90,000

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RoHS  

¥138,000

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US
RoHS  

¥102,500

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US
RoHS  

¥102,500

CONTACT
US