Professional 18% gray cards, 2-IN-1 set of two double-sided cards: one side white and the other gray. Use it to produce proper, consistent image exposure and white balance.
Card sizes: 8"x6" and 6"x4"
Gray side: Reflectance 17.8%; Density 0.74
White side: Reflectance 92.0%; Density 0.036
Core material:High density paper based composite
Gray side material: special paper with spectrally flat 18% coat
Max. deviation of reflectance: 2%
Max. error in exposure measurements: 1/8 of F-stop
1x Double-sided Gray Card 6"x8"
1x Double-sided Gray Card 4"x6"1x Instruction Disc
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Shipping & Dispatch
1)Items are dispatched within 48 hours(except weekends and holidays).
2) Delivery may be delayed during weekends and holidays. We'll strive our best to provide you the most reliable, affordable way of shipping service. But sometimes it is highly depended on the courier companies and local customs.
3) If Items were shipped, you may get them in 3-7 days.
4) Normally we don't add tracking and insurance unless it is demanded by buyers paying additional fee.Please contact us before making order if you need tracking or insurance service.
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