1.61 Progressive Multi-focal Free Form Prescription Lenses Two-piece Resin HMC 2C
- Substrate MaterialResin MR-8 / HMC Hydrophobic
- Abbe Value / Gravity36 Abbe / 1.30 g/cm³
- Glazing ToleranceAxial Dev < 0.5° (CNC Ready)
S M OpticalsSpectacle Frame Manufacturer · India Engineered to satisfy stringent DIN EN ISO 12870 standards for dimensional stability, non-corrosive chemical endurance, and high-index point-stress distribution during automated edger drilling and bush compression assembly.
Rimless eyewear balances minimal aesthetic weight against complex shearing vectors. Where standard full-frame designs dissipate lens impacts across a rigid rim wire or acetate groove, rimless optics rely entirely on two discrete points of contact: the bridge studs and temple end-pieces. German wholesale chains and master opticians (Augenoptikermeister) cannot afford shearing failures, loose bush assemblies, or radial micro-cracks in polycarbonate and high-index lenses.
We supply specialized polyoxymethylene (POM) and fluoropolymer expansion sleeve inserts engineered specifically for 1.4mm to 1.6mm bore holes. These provide constant friction dampening that resists screw back-out, prevents lens twisting, and absorbs dynamic torques generated during single-handed patient removal.
By cold-drawing Japanese aerospace-grade Beta-Titanium alloys (Ti-15V-3Cr-3Sn-3Al), our nose bridges deliver exceptional flexural modulus. The bridge returns to nominal optical centers after deflection, eliminating axial focal misalignment in progressive addition lenses (PAL) fitted for presbyopic German wearers.
German consumer protection standards mandate strictly bounded nickel release thresholds under EN 1811:2011+A1:2015. Our frames utilize physical vapor deposition (PVD) titanium nitride and multi-layer electrophoretic polyurethane coats to ensure continuous, hypoallergenic skin contact zones across all temples and pad arms.
A reference guide for optical lab directors, private label purchasers, and purchasing leads evaluating mechanical durability and assembly labor metrics.
| Alloy / Polymer Grade | Yield Strength (MPa) | Density (g/cm³) | German Lab Assembly Method | Recommended Lens Pairing |
|---|---|---|---|---|
| Pure Titanium (Grade 2) | ≥ 345 | 4.51 | Traditional thread-and-lock nut / Compression plug | MR-7 (1.67) / MR-8 (1.60) Optical Resins |
| Beta-Titanium Alloy | ≥ 880 | 4.65 | Direct pressure double-pin bushing without screws | Polycarbonate / Trivex / High-Index 1.74 |
| AISI 304 Stainless Steel | ≥ 520 | 7.93 | Standard micro-screw clamping system | CR-39 (Standard thickness) / MR-8 (1.60) |
| EMS Grilamid TR-90 | ≥ 85 | 1.00 | Interlocking nylon cord and tension pin | 1.56 Mid-Index / 1.61 Progressive Free Form |
| Corrosion-Resistant Monel | ≥ 480 | 8.80 | Soldered pad arms with double-lock hex nut | Standard Mineral Glass / Tinted Prescription Sun |
Aligning manufacturing output with the specific clinical, regulatory, and demographic shifts taking place across the German optical landscape.
German occupational health safety regulations (DGUV Information 250-008) stimulate sustained commercial demand for specialized computer glasses (Bildschirmarbeitsplatzbrille). Employers fund dedicated progressive-power eyewear for desk professionals. Our featherweight rimless chassis minimize facial pressure during 9-hour workdays while accommodating wide-corridor intermediate progressive lenses.
Optical chains (such as Fielmann, Apollo-Optik) and regional chain buying groups (Brillen-Profis, IGA OPTIC) rely heavily on remote frame tracing systems. Our factory CNC mounts are calibrated to guarantee symmetrical coordinate geometry (±0.05mm), ensuring imported rims interface smoothly with Essilor, Nidek, and MEI automated edging machines.
The German Supply Chain Due Diligence Act (Lieferkettensorgfaltspflichtengesetz - LkSG) requires direct buyers to evaluate Tier-1 suppliers on material provenance and environmental responsibility. We provide verifiable metallurgical declarations, zero-nickel plating documentation, and modular architectures where nose pads, sleeves, and bridge components are field-replaceable.
Combining systematic production discipline with full international trade compliance, backed by documented verification and high-efficiency logistical alignment.
Purchase straight from our primary manufacturing floors without intermediary broker markups. Our operations maintain verified registration, an active trade desk, and transparent fiscal records to streamline customs clearance into Hamburg or Frankfurt airports.
Every batch undergoes strict mechanical assessments: 500-cycle bridge fatigue testing, 24-hour sweat resistance simulation, dimensional hinge stability, and 5-bar pull tests on rimless retention anchors before packing.
Support for flexible SKU assortments across 13 diverse product lines: from Titanium rimless and TR-90 flexible frames to Italian acetate sheets and sports-wrap sunglasses, allowing opticians to balance their showroom showcases in a single container.
Orders are packed model-wise with barcode labels, CE mark compliance certificates, EU Declarations of Conformity (MDR 2017/745 Class I), and custom packaging designed to simplify reception at your regional distribution centers.
Addressing regulatory mandates, technical tolerancing, MOQ allocations, and logistical clearance procedures for buyers in Germany, Austria, and Switzerland.
Request comprehensive CAD drawings, physical material sample collections, or wholesale quotation sheets tailored to your company's distribution volume.