Carsten – The Hybrid Frame That Has It Both Ways
Most frames make a choice: acetate or metal, vintage or modern, bold or restrained. Carsten by WEISS OPTIX declines to choose. A round acetate front paired with wireframe titanium temples, it is the frame that delivers the warmth and depth of premium acetate alongside the precision and weightlessness of titanium — in a single silhouette, at a single price.
“Best of both worlds,” wrote one buyer. It's exactly the kind of response thoughtful design is meant to inspire.That is what happens when two materials are combined with genuine structural intent rather than aesthetic compromise.
The Hybrid Construction: Where Acetate Meets Titanium
Carsten’s defining characteristic is the deliberate contrast between its two materials. The acetate front is substantial, warm, and rounded — a frame presence that reads from across the room. The titanium temples are slender, precise, and almost invisible in profile. The transition from front to temple is the frame’s most considered moment: thick to thin, warm to cool, tactile to architectural.
This "bold front, refined temple" construction is surprisingly uncommon.It gives Carsten a visual complexity that single-material frames cannot achieve — a frame that looks different from the front than it does from the side, and rewards both angles.
Three Vintage Details That Define the Silhouette
Carsten carries three design elements that place it in a specific lineage — and make it immediately recognizable.
The keyhole bridge is the frame’s most historically resonant detail — a classic geometric bridge design with genuine Vintage Americana roots. It elongates the nose bridge visually, refines facial proportions, and gives Carsten an authenticity that purely contemporary frames cannot replicate.
The double silver-tone rivets at the front endpiece serve a dual purpose: structural reinforcement and visual punctuation. Small, precise, and entirely intentional — the kind of detail that reads as texture at a distance and as craftsmanship up close.
The genderless round silhouette (54▢20-145) completes the picture. Rounded, balanced, and calibrated to soften angular features without losing authority. The proportions work across face shapes and across wardrobes.
Premium Acetate Front: Depth You Can See
The front frame is constructed from premium acetate sheet — hand-polished to a flawless finish. Acetate carries color with a richness that injected plastic cannot replicate: deeper, more layered, more alive as light moves across the surface. In the translucent colorway, the material refracts light internally, creating a crystal-like depth that shifts with the environment. The surface is smooth, the edges are precise, and the finish holds.
Titanium Temples: Weightless by Design
The temples are constructed from titanium — processed to a wireframe thinness that eliminates pressure at the temple and behind the ear. The full frame weighs approximately 10g. Buyers describe wearing Carsten for ten or more hours of screen work without feeling any pressure on the nose bridge. For a frame worn from morning commute to evening occasion, that absence of sensation is the point.
Titanium is hypoallergenic and corrosion-resistant — it does not fade, does not distort, and does not irritate. The material choice is functional as much as it is aesthetic.
Two Colorways: Subtle and Considered
Carsten is available in two colorways, each one a different expression of the hybrid frame’s character.
- Translucent Blue Gray — a low-saturation cool tone that shifts with the light. Indoors, it reads as subtle and professional. In natural sunlight, the translucency opens up into a layered, dynamic depth that is genuinely striking. The colorway that rewards the outdoor moment and photographs with the most visual interest.
- Black — a solid, high-gloss black that polishes to a piano-lacquer finish. Against the slender titanium temples, the contrast is at its sharpest — the round silhouette reads with maximum clarity, and the frame projects a quiet, composed authority that works in professional and casual contexts equally.
Face Shape Compatibility
Carsten’s round silhouette is particularly effective for square and rectangular faces, where the curved lower rim softens the jawline and reduces angular severity. For oval faces, the proportions sit in natural balance. For heart-shaped faces, the rounded geometry creates visual harmony with the face’s own upper-wide structure. The genderless design means Carsten adapts to the wearer — not the other way around.
Where Carsten Belongs
Carsten carries the Daily Essentials designation because the titanium construction and 10g total weight make it genuinely practical for all-day wear — particularly for those who spend extended hours in front of screens. The blue-light blocking capability extends its functional range further.
As a Business Casual frame, the keyhole bridge and round silhouette balance professional credibility with artistic sensibility — the frame that works in a client meeting and a design studio without adjustment. As a Vacation Mood frame, the Translucent Blue Gray colorway carries a lightness that travels well and photographs with the kind of effortless quality that outdoor light rewards.
Discover Carsten
A round acetate front with a vintage keyhole bridge and double rivets. Wireframe titanium temples at 10g total weight. Two colorways — one that shifts with the light, one that holds its ground in any context. Carsten by WEISS OPTIX is for those who want the warmth of acetate and the precision of titanium — and see no reason to settle for one.
At WEISS OPTIX, we believe the best eyewear disappears into your life while elevating everything around it. Carsten does both — in two materials at once.
