Features
SIZE

57 mm.
Before making your purchase, make sure to check the measurements of your glasses. This model is available in x lens width. All dimensions are listed in millimeters and include lens width, bridge, and temple length.
MATERIAL

Crystal
EASY INSTALLATION

Easy Installation
All our spare parts are designed to fit perfectly with your original model. You can do it yourself at home by following our step-by-step instructions or videos.
Description

Original Ray-Ban RB4126 Cats 1000 replacement lenses
Bring your Ray-Ban RB4126 Cats 1000 back to life without buying a new pair of sunglasses. These original Ray-Ban replacement lenses restore the look, protection and optical feel of your frame, with free shipping and a saving of up to 60% compared with replacing the whole pair.Model compatibility
These lenses are made for Ray-Ban RB4126 Cats 1000 in size 57. The model and size must match your frame, because even small differences in lens shape can affect the fit.How to identify your model and size
Check the inside of the temple arm. You should find the Ray-Ban RB4126 reference and size 57. If your frame shows a different model or size, verify it before ordering.Main features
- Brand: Ray-Ban
- Model: RB4126 Cats 1000
- Size: 57
- Diameter: 62 mm
- Lens material: glass
- Lens curve: Base 6
- Use: sunglasses
- Target: adult
- Product type: original
- UV400 protection: blocks 100% UVA/UVB
Available colours
- 51 - Brown light gradient - glass
- B1 - Dark grey - glass
Material, protection and lens options
These are glass lenses, the traditional Ray-Ban material valued for clean vision and excellent scratch resistance compared with many plastic lenses. The Base 6 curve keeps the optical geometry appropriate for this sun frame.Why replace only the lenses
If your frame is still in good condition, replacing only the lenses is the smart choice. You keep the frame that already fits your face, save money and reduce waste by extending the life of your Ray-Ban sunglasses.Authenticity and logo
These are original Ray-Ban lenses. As an official EssilorLuxottica distributor, we supply genuine Ray-Ban replacement lenses with the Ray-Ban logo. In our Granada workshop, qualified opticians check lenses with a lensmeter before dispatch.Frequently asked questions
Will they fit my Ray-Ban RB4126 Cats 1000? Yes, if your frame is the Ray-Ban RB4126 Cats 1000 in size 57. Always check the temple inscription before ordering. Are these genuine Ray-Ban lenses? Yes. They are original Ray-Ban lenses supplied through the official EssilorLuxottica channel and include the Ray-Ban logo. Are they glass or plastic? According to the product attributes, these lenses are glass. This gives a very clear optical feel and strong scratch resistance. Do they protect against UV? Yes, they provide UV400 protection, blocking 100% of UVA and UVB rays. This is why genuine optical-quality lenses matter. Can I install them at home? Plastic frames usually require careful press-fit installation, sometimes helped by gentle warmth. If you are not used to fitting lenses, we recommend visiting an optician. What if my frame is a different model? A different model or size may not fit correctly. Check the code on the inside of the arm before buying.Tutorial
How to install Ray-Ban RB4126 Cats 1000 lenses
Before fitting, confirm that your frame is Ray-Ban RB4126 Cats 1000 and size 57. Never force a lens if the shape does not sit naturally in the rim.
On plastic or acetate-style frames, lenses are usually fitted by pressure. Applying gentle warmth with lukewarm water or warm air for a few seconds can help the frame flex slightly. Insert one edge first, then seat the rest of the lens with gradual, even pressure.
Metal frames are normally opened with the screw at the rim. Rimless or special constructions should be handled professionally. If you feel excessive resistance or have no fitting experience, the safest option is to visit an optician.
Be Eco-Friendly

Commitment to Quality and the Environment
At Replacementlenses.net, our commitment to both quality and the environment is at the core of our mission.
We understand the importance of sustainability in today’s world, which is why we offer replacement parts for your glasses. Our goal is to help you extend the life of your favorite eyewear, reducing waste and the need for new purchases.
By choosing our products, you not only save money but also contribute to a more sustainable future. We believe that every small effort counts and that together we can make a big difference in protecting our planet.
Additional information
| Weight | 25 g |
|---|---|
| Dimensions | 20 × 10 × 1 cm |
| Brand | Ray-Ban |
| Audience | Adult |
| Use | Sun |
| Product Type | Original |
| Shape | Butterfly |
| Lenses Color | 51 – BROWN LIGHT GRADIENT- CRYSTAL, B1 – DARK GREY – CRYSTAL |
| Lens material | Crystal |
| Lens curvature | Base 6 |
| Width (mm) | 48, 62 |
| Height (mm) | 48, 62 |
| Front Material | Injected |
| Ray-Ban Model | |
| Size | 57 |
| Temples Material | Nylon, Plastic |






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