Description of Just Normlicht LED Challenge 3B

• The economic proofing station for 3B and 6B formats is the entry-level solution for our LED based stations. With the proven JUST LED technology, proofs can be matched under D50 and D65, while the UV component can be switched on and off. The special prismatic lens provides an even, glare and reflection free illumination.
  
  
  
  unique JUST LED technology, Fogra certified according to ISO 3664:2009, Pat. No. US 8,592,748 B2
  
  switchable: D50 and D65 each with and without UV component for color matching according to the old and new ISO 3664 and ISO 3668 standards
  
  continuous dimming and USB interface for softproofing
  
  no color shift when dimming
  
  no warm-up phase after switching on
  
  20 times the operating hours of fluorescent lamps (> 50,000 h) stable light conditions over the entire operating life
  
  no tube replacement necessary
  
  extremely uniform, glare and reflection-free illumination due to asymmetrical light guidance and prismatic lenses
  
  ISO-compliant illuminance of 2000 lux
  
  Color rendering (CRI) Ra ≥ 95
  
  exact color coordinates (10°):
  
  D50: x = 0.3478 / y = 0.3595 (≤ 0.002)
  
  D65: x = 0.3138 / y = 0.3309 (≤ 0.002)
  
  low metamerism index in the visible range: ≤ 0.8 (MIvis)
  
  low metamerism index in UV range: ≤ 0.6 (MIuv)
  
  Sampling area in neutral, matt grey (Munsell N7)
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