Convex Mirror Optical

Product Code : SCL-LAO-12093

Convex Mirror Optical (SKU SCL-LAO-12093) is a 50 mm spherical convex mirror of crown glass with a vacuum-deposited aluminium coating and a nominal focal length of −100 mm. It spreads parallel light and always forms virtual, upright, diminished images, as in a vehicle rear-view mirror. Schools use it in Class 10 and Class 12 reflection practicals and colleges in B.Sc. optics. Science Lab Supplies manufactures the mirror in Ambala, at Plot 448, HSIIDC Industrial Area, Saha, India, and supplies schools, colleges and distributors at factory terms.

Specifications

All the convex mirror's specifications follow in the table. Briefly, a 50 mm crown glass disc is ground to a convex spherical curve and coated on the back with aluminium sealed under protective paint, giving a −100 mm focal length, a 60/40 surface and ground edges.

Applications and Experiments for the Convex Mirror

Because a convex mirror gives only virtual images, its focal length is measured indirectly with the help of a convex lens, while ray tracing shows how it spreads light. These practicals make it a standard item of physics lab equipment in India for reflection topics.

• Class 10 science: comparing images in plane, concave and convex mirrors and explaining the wide view of rear-view mirrors.
• Class 12 physics: focal length of a convex mirror using a convex lens such as the Convex Lens 50mm to form a real image first.
• Tracing divergent rays from a ray box to find the virtual focus behind the mirror.
• B.Sc. optics: mirror equation checks and the relation between focal length and radius of curvature.

For table-top work the mirror can be held upright in the Lens Holder With Finished wood; handle it by the ground edge only.

Standard Scope of Supply

One convex mirror is supplied in a lint-free protective pouch with a microfibre optical cleaning cloth and a technical data sheet giving curvature radius specifications. Mirror holders, a bench and the convex lens used in the measurement can be quoted with it as separate lines.

Packing, MOQ and Lead Time

Request a price for one convex mirror or for a set large enough for each practical group in your laboratory. The Science Lab Supplies quotation names the packing, delivery time and price for that order, and concave mirrors or lenses can be added alongside.

Backed by its Importer-Exporter Code, Science Lab Supplies can ship to buyers in Qatar, Sri Lanka, Vietnam, Malaysia, Peru and Egypt. Our sales team replies to messages from the contact page and lists saved in the enquiry cart, and the lab tender page explains tender supply.

Frequently Asked Questions

What kind of image does a convex mirror form?
It always forms a virtual, upright and diminished image, wherever the object is placed. That image cannot be caught on a screen because the reflected rays never actually meet in front of the mirror.

How are focal length and radius of curvature related?
The focal length of a spherical mirror is half its radius of curvature, f = R/2. With a nominal focal length of −100 mm, this mirror has a radius of curvature of about 200 mm.

Is the coating on the front or back of the glass?
The aluminium layer is deposited on the back of the glass and sealed with protective backing paint, so light reflects after passing through the front glass surface, which also shields the coating from scratches.

Is Science Lab Supplies the manufacturer or a trader?
Science Lab Supplies is the manufacturer. Coated glass mirrors such as this one are finished at its Saha, Ambala workshop, so the quotation and dispatch both come from the source.

Related Mirrors and Reflection Apparatus

These products cover converging mirrors, reflection boards, curved-mirror models and the holders and benches used to measure mirrors. Any of them can join the convex mirror on a single quotation for a school science room or a college physics laboratory practical.

• Concave Mirror (50 mm) — converging glass mirror, +100 mm focal length.
• Concave Mirror — unmounted 50 mm optically worked mirror with silver backing.
• Curved Mirror Effects Model — acrylic concave/convex mirror on a 300 x 150 mm base.
• Optical Reflection Demonstration Kit — magnetic mirrors on a board with a 1 degree polar grid.
• Light Ray Reflection Demonstrator — 350 mm steel disc with plane and curved acrylic mirrors.
• Plastic Lens Holder V-shaped — holds 38 to 50 mm lenses and mirrors on a flat base.
• Optical Bench Ordinary Physics Lab — 1000 mm track with die-cast iron feet.

Browse the full Light and Optics range, the Physics Lab range for mirrors and optics sets, or all physics lab equipment.

Last updated: 9 October 2026