Caro SF

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Why is Step MacAdam essential in professional lighting, and what are Caro SF's options?

Step MacAdam — or SDCM (Standard Deviation of Colour Matching) — defines colour consistency in LED lighting. It measures how much variation in colour temperature (CCT) may appear between different LEDs or production batches. The smaller the MacAdam Step value, the better the colour uniformity. One Step MacAdam is almost invisible to the human eye. At 2 or 3 steps, only trained lighting professionals may notice a slight variation. However, with 4 or 5 steps, visible differences in white tones often occur, especially when luminaires are installed next to each other. Lighting designers apply different MacAdam Step standards depending on the application:
  • 1–2 Step MacAdam — premium retail, galleries, museums, luxury hospitality
  • 3 Step MacAdam — professional retail, offices, restaurants, hotels (Karizma Luce standard)
  • 4+ Step MacAdam — technical lighting, outdoor, utility areas
At Karizma Luce, we use the 3 Step MacAdam as standard for all luminaires, including Caro SF, our surface-mounted spotlight. This ensures reliable colour consistency across the entire project and guarantees that additional luminaires ordered later will blend seamlessly with the existing installation. For projects where perfect visual uniformity is essential — such as high-end retail or gallery lighting — we offer 2 Step MacAdam LEDs on request, and not only for Caro SF. Get in touch with us for advice and availability. Choosing the correct MacAdam Step is not just a technical specification. It protects the space's visual integrity, maintains the design atmosphere, and ensures long-term quality. Would you like to explore recessed versions of the same high-quality spotlight? Discover Caro REC, offering the same optical performance and colour consistency for ceiling-integrated applications.
    • Chromaticity tolerance 3 MacAdam
    • CRI 90
    • Housing material Aluminum Die Cast
    • Warranty 5Y
    • IP klass IP20
    • Drivdon Included DALI, Included ON/OFF
    • Light source energy class E
    • Product tags NEW
    • Light source Dim to Warm (1800K - 3000K / CRI90), 930 (3000K / CRI90), 927 (2700K / CRI90), 940 (4000K / CRI90)
    • Optic Reflector
    • Mått Ø50x165mm
    • Light source identifier BXRE-30G20FH-B-83, BXRE-27G20FH-B-83, BXRE-40G20FH-B-83, BXRE-40G10FH-A-83, BXRE-30G10FH-A-83, BXRE-27G10FH-A-83, BXRE-40G04FH-C-83, BXRE-30G04FH-C-83, BXRE-27G04FH-C-83
    • Dimring DALI, Phase Cut