Table 1 Key camera parameters

Spectral range (nm)

1000–2450

Broadband

1100–1400

J astronomy interference filter

1500–1800

H astronomy interference filter

2100–2400

K astronomy interference filter

Highest spatial sampling

290 ppi or 88 μm

This is the number of pixels per inch at the surface of the artwork or sample size

Working distance

0.2–1 m

Image display rate

30 Hz

Video display rate

Exposure time

0.1–100 ms

Variable

Single image frame size

640 × 512 pixels

Focal plane array size

Typical area coverage rates

~5 image frames per minute

30 image frames per minute

Manual control of easel

Computer-controlled easel with linear encoders