Product type: Achromatic Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 68.
Overview
Customized D25.4 Visible Antireflection Coated Glued Achromatic Optical Triplet Lens is an optical lens made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: wavelength 400 – 700nm, transmittance >95%. Coating: HMC; surface quality 40-20 or Better. Typical applications: Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Achromatic Lenses |
| Shape | Single-lens |
| Thickness | as Required |
| Wavelength Range | 400 – 700nm |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 40-20 or Better |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 68 |
| Lenses Color | Clear |
| Focal Length Tolerance | +/-1% |
| Centering | <3arcmin |
| Numerical Aperture Na | 0.25 |
| Focal Length Specification Wavelength | 587.6nm |
| Center Thickness Tolerance | +/-0.1 |
| Bevel | Protective Bevel as Needed |
| are designed for 1 | 1 conjugate ratios and utilize symmetry to correct for aberrations. |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| Product Name | Customized D25.4 Visible Antireflection Coated Glued Achromatic Optical Triplet Lens |
|---|---|
| Coating | MgF2 (400-700nm) |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “+/-1%”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 or Better”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “Protective Bevel as Needed”; state centration and edge chamfer.
- Coating — listed as “HMC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is AR-Coated High-Transparency Optical Glass.
