Delivery Time:15 working days after received your payment
Certification:ROHS / SGS

Optical Dia 25mm  Polished Aspheric Lenses Infrared Lenses with Silicon

 Aspheric Lenses

Specifications:

Diameter (mm)	9.00
Diameter Tolerance (mm)	+0.0/-0.1 mm
Clear Aperture (%)	90
Effective Focal Length EFL (mm)	12
Back Focal Length BFL (mm)	8.14
Edge Thickness ET (mm)	4.77
Center Thickness CT 1 (mm)	4.50
Center Thickness CT 2 (mm)	1.50
Center Thickness Tolerance (mm)	±0.2
Centering (arcminutes)	3 - 5
Radius R1 (mm)	7.56
Radius R2 (mm)	12.80
Radius R3 (mm)	61.60
Surface Quality	40 - 20
Substrate	N-LaK8 / N-SF57
Focal Length Specification Wavelength (nm)	587.6
Coating	VIS 0°
Coating Specification	Front Surface: Ravg ≤0.4% @ 425 - 675nm  Back Surface: Aspheric Polymer
Operating Temperature (°C)	-20°C to 80°C
Type	Achromatic Lens
f/#	1.33
Numerical Aperture NA	0.38
Wavelength Range (μm)	0.425 - 0.675
RoHS	Compliant

Description:

Aspheric Lenses are used to eliminate spherical aberration in a range of applications, including bar code scanners, laser diode collimation, or OEM or R&D integration. Aspheric lenses utilize a single element design which helps minimize the number of lenses found in multi-lens optical assemblies. Said another way, unlike conventional lenses with a spherical front surface, aspheric lenses have a more complex front surface that gradually changes in curvature from the center of the lens out of the edge of the lens. This reduction in total element count not only helps decrease system size or weight, but also simplifies the assembly process. Integrating aspheres into an application such as focusing the output of a laser diode may not only decrease total cost, but may also outperform assemblies designed with traditional spherical optical lenses.

GIAI Optics offers aspheric lenses to suit many applications. An aspheric lens can be offered with a range of coatings for the Ultraviolet (UV) spectrum, visible light, or Infrared (IR) spectrum. Aspheric lens coating available at GIAI Optics include UV, UV-VIS, VIS, or NIR. Aspherized achromatic lenses are also available that combine the spherical aberration correction of aspheric lenses with the superior color correction of an achromatic lens. Plastic hybrid aspheric lenses are weight sensitive alternatives to aspherized achromatic lenses that feature a combination of diffractive and refractive focusing.

Competitive Advantage:

 Aspheric lens,competitive price , good quality, delivery on time, providing perfect after-sales service, to provide customers with professional customized products of parameter. We will supply you with best solution.

Why us?

1 Service time:        24 hours waiting for you.

2.Fast Response:   2 hours within our worktime, 12 hours get off work.

3.Good Service:      We can supply you from design,measure to coating one stop service.

4. MOQ:                   No MOQ requirement, you can set your order freely.
5. After-sales service:  If bad quality, we will refund . 

 How to Order ?

Step 1. Send the inquiry at the bottom of the product.

Step 2. We will response or quote you within 24 hours.

Step 3. Place order through email, fax directly.