# Optical Single Plano Concave/ Negative Meniscus Diverging Lens for Lighting

> Optical Single Plano Concave/ Negative Meniscus Diverging Lens for Lighting — an optical lens: Optical Glass, as Required thick, HMC. Specs, RFQ checklist…

- Page: https://machiningglass.com/products/optical-single-plano-concave-negative-meniscus-diverging-lens-for-lighting/
- SKU: MG-8227A6
- Category: Optical Lenses, Prisms & Mirrors > Precision Optical Lenses
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Optical-Single-Plano-Concave-Negative-Meniscus-Diverging-Lens-for-Lighting.webp
- Updated: 2026-10-24

Product type: Spherical Lenses. Application: Lighting, Medical, Optical, Photography. Model: TT Lens 96.

## Overview

The Optical Single Plano Concave/ Negative Meniscus Diverging Lens for Lighting is supplied as an optical lens made from Optical Glass. Listed geometry: thickness as Required, spherical lenses shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality as Required. Listed for Lighting, Medical, Optical and Photography applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Material | Optical Glass |
| Type | Spherical Lenses |
| Shape | Spherical Lenses |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | as Required |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Lens 96 |
| Lenses Color | Clear |
| Polished | Yes |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| Product Name | Optical Single Plano Concave/ Negative Meniscus Diverging Lens for Lighting |
| Shape | Plano Concave/ Negative Meniscus |
| Size | Dia 1mm to Dia 300mm |

## What to specify when you request a quote

- **Material** — listed as “Optical Glass”; name the glass or crystal.
- **Geometry** — give diameter, focal length or radii, angles and tolerances.
- **Surface figure** — listed as “as Required”; quote surface figure (λ) and scratch-dig.
- **Centring and edges** — 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 [Fused Silica and Quartz Glass: Selecting Materials for Precision Components](https://machiningglass.com/materials/fused-silica-and-quartz-glass-selecting-materials-for-precision-components/). How parts like this are machined and finished is covered in [Optical Glass Polishing for High Clarity Surfaces](https://machiningglass.com/capabilities/optical-glass-polishing-for-high-clarity-surfaces/). For an application example, read [Fused Silica Glass Wafers for Precision Appliance Electronics](https://machiningglass.com/applications/fused-silica-glass-wafers-for-precision-appliance-electronics/). Before sending a drawing, check [Fused Silica Refractive Index: Key to Optical Design Improvement](https://machiningglass.com/resources/fused-silica-refractive-index-key-to-optical-design-improvement/). A related standard product is [Fused Silica Glass Wafers (2–12", JGS1/JGS2)](https://machiningglass.com/products/fused-silica-glass-wafers-2-12-jgs1-jgs2/).

## FAQ

### What is the Optical Single Plano Concave/ Negative Meniscus Diverging Lens for Lighting made of?

It is listed as Optical Glass. Coating: HMC. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

### What sizes and thicknesses are available?

The listing gives thickness as Required. Custom outlines and thicknesses are made to drawing; state the tolerance you need.

### What optical or electrical performance does it have?

Listed values: transmittance >95%. Confirm the values at your operating wavelength, angle and temperature when you request a quote.

### Where is this optical lens used?

Listed applications: Lighting, Medical, Optical and Photography.

### What should I include in a quote request?

Include material, geometry, surface figure, centring and edges and coating, plus quantity and a drawing if the part is custom.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=16933#mg-rfq

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Source: Custom Precision Glass Machining — https://machiningglass.com/