Convert nepers to stop (photographic)s

1.442 695 040 89EV
≈ Rounded to 12 s.f. 1 Np ≈ 1.442 695 040 89 EV
As a fraction: 721347520444481703679962340500946068713322977/500000000000000000000000000000000000000000000

How to convert nepers to stop (photographic)s

Convert through a plain ratio: neper → ratio → stop (photographic). Logarithmic units cannot be converted by multiplying alone.

Neper: The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).

Stop (photographic): One stop doubles the light. Identical arithmetic to the octave.

Neper to Stop (photographic) conversion table

Nepers (Np) Stop (photographic)s (EV)
0 Np 0
1 Np 1.442 695
2 Np 2.885 390 1
3 Np 4.328 085 1
6 Np 8.656 170 2
10 Np 14.426 95
20 Np 28.853 901
30 Np 43.280 851
40 Np 57.707 802
60 Np 86.561 702
80 Np 115.4156
100 Np 144.2695

Stop (photographic) to Neper conversion table

Stop (photographic)s (EV) Nepers (Np)
0 EV 0
1 EV 0.693 147 18
2 EV 1.386 294 4
3 EV 2.079 441 5
6 EV 4.158 883 1
10 EV 6.931 471 8
20 EV 13.862 944
30 EV 20.794 415
40 EV 27.725 887
60 EV 41.588 831
80 EV 55.451 774
100 EV 69.314 718

Frequently asked

How many stop (photographic)s are in a neper?

One neper equals 1.442695041 stop (photographic)s (Np → EV).

How do you convert nepers to stop (photographic)s?

Convert through a plain ratio: neper → ratio → stop (photographic). Logarithmic units cannot be converted by multiplying alone.

What is 1 EV in nepers?

One stop (photographic) is 0.6931471806 nepers.

What is 10 Np in EV?

10 Np = 14.426 95 EV.

What exactly is a neper?

The natural-log counterpart to the decibel. 1 Np ≈ 8.686 dB (amplitude).

What exactly is a stop (photographic)?

One stop doubles the light. Identical arithmetic to the octave.

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