ultracam speed

---

example dead-time calculations
full-frame

---

shift by 1024	1024 x 5 x 10-6 = 0.005 s
shift 10242 pixels	10242 x 0.7 x 10-6/2 = 0.37 s
readout 10242 pixels	10242 x 3 x 10-6/2 = 1.57 s

---

dead-time = max (0.005, 1.945 - t_exp) s

---

100 x 100 window (non drift-mode)

---

shift by 1024	1024 x 5 x 10-6 = 0.005 s
shift 100 x 1024 pixels	100 x 1024 x 0.7 x 10-6/2 = 0.036 s
readout 1002 pixels	1002 x 3 x 10-6/2 = 0.015 s

---

dead-time = max (0.005, 0.056 - t_exp) s

---

100 x 100 window (drift-mode)

---

shift by 100	100 x 5 x 10-6 = 0.0005 s
shift 100 x 1024 pixels	100 x 1024 x 0.7 x 10-6/2 = 0.036 s
readout 1002 pixels	1002 x 3 x 10-6/2 = 0.015 s

---

dead-time = max (0.0005, 0.056 - t_exp) s

---