Normal Power
The narrow beam guide numbers are interesting, but they're only relevant at higher focal lengths. This list represents the middle of the zoom range — a field of view which covers the "normal lens" range of 50mm equivalent focal length — that is, about 35mm on a current Pentax dSLR.
- Pentax AF540FGZ = 2.2×
- Metz 58 AF-1 = 2.0×
- Metz 54 MZ-4i = 1.8×
- Sigma EF-530 DG = 1.8×
- Promaster 5750 = 1.4×
- Metz 48 AF-1 = 1.4×
- Promaster 7500EDF = 1.3×
- Promaster 7400EDF = 1.0×
- Promaster 7200EDF = 1.0×
- Promaster 5550DX = 1.0×
- Pentax AF360FGZ = 1.0× (Of course.)
- Metz 36 AF-4 = 1.0×
- Promaster 5250DX = 0.66×
- Pentax AF200FG = 0.44×
- K20D/K200D/K-7 built-in = 0.19×
- K100D/K10D/K2000/K-m built-in = 0.13×
Since there is no data from Sakar, the 952AF/PEN can't be included here.
