Spectrally neutral - reflects all colors through the spectrum equally. The g7 reference card has both a and b lab channel values of less than 1 at d50 and are spectrally "flat". It's spec'd at less than +/- 0.5 Maintains its spectral neutrality under all reasonable temperature and environmental conditions Rugged - waterproof and scratchproof (color goes all the way through, not just a coating on top) Does not respond to uv light any differently than the visible spectrum Each card is individually measured with a precision spectrophotometer to certify that it meets or exceeds stringent specifications
All merchants
- myvitamins
- PRC Direct
- BikeInn
- Shedstore
- Next Day Camera Shop
- Euroffice
- Mizuno
- Philips Personal Health
- 2bTanned
- Healthspan
- Snowcountry
- Gains Nutrition
- Joybuy
- Lights.co
- Bazta
- Oak Furniture Superstore
- O-ring-stocks
- Suitable Shop
- Pig and Hen
- Argento
- Roxy
- Vevor
- Avant Skincare
- Lights 4 Living
- Hughes
- Bunches
- LEGO
- Phones Direct
- Weighing-net
- Tokyo Laundry