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Reflector Light Bulbs

Reflector LED bulbs have a built-in mirrored coating that pushes light forward in a directed beam, which makes them a natural fit for spotlights and directional fittings. This range covers R39, R50, R63 and R80 shapes in E14 and E27 caps, with warm white output at 2700K to 3000K. The LED versions replace older 35W to 60W reflector lamps while drawing far less power, and the bulbs are non-dimmable.

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What a reflector bulb does

A reflector bulb has a mirrored coating built into the back of the glass, which gathers the light and pushes it forward in a directed beam rather than scattering it in all directions. That makes it a natural fit for spotlights and directional fittings, where you want light aimed at a particular spot rather than spread across a room.

Shapes and sizes

The shape is described by an R number that gives its diameter, and this range covers R39, R50, R63 and R80. The smaller R39 and R50 suit compact spots and accent fittings, while the larger R63 and R80 throw a wider, stronger beam for general directional lighting. Pick the size to match the fitting and the spread you need.

Cap fittings

These reflectors run on E14 and E27 screw caps, the smaller and larger Edison screw fittings. As a rule the smaller R39 and R50 bulbs use E14, and the larger R63 and R80 use E27, though it is always worth checking the listing against your fitting.

Brightness and colour

Output here is warm white, described at 2700K and 3000K, which gives a comfortable, cosy light suited to living and display spaces. The LED versions replace older reflector lamps while drawing far less power, and the bulbs in this range are non-dimmable.

How to choose

Start with the R size your fitting takes, then match the cap, E14 or E27. The warm white tone suits most home settings. Free UK delivery over £99, worldwide shipping.

Frequently Asked Questions

What do R39, R50, R63 and R80 mean?
The number is the bulb diameter in millimetres, so an R50 is 50mm across and an R80 is 80mm. Match the size to your fitting: smaller R39 and R50 lamps suit compact spotlights, while R63 and R80 give a wider face for larger fittings.

Which cap fitting should I choose?
This range comes in E14 small screw and E27 standard screw caps. The R39 and R50 shapes use E14, while the R63 and R80 shapes use E27, so check the thread size on your old bulb before ordering.

What old wattage do these LED bulbs replace?
They stand in for traditional reflector lamps from around 35W up to 60W, depending on the model, while using only a few watts. The light is warm white between 2700K and 3000K for a soft, homely tone.

Are reflector LED bulbs dimmable?
The bulbs in this range are non-dimmable, so use them with a standard on/off switch. If you need to vary brightness, fit them in a circuit that is not controlled by a dimmer.

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