Spécifications techniques
Conception de l’objectif
Courbe MTF
Axe vertical : contraste
Axe horizontal : distance du centre de l’image
S : Sagittal
M : Méridional
Fréquence spatiale 10 lignes / mm
Distance from the center of the image
Fréquence spatiale 20 lignes / mm
Distance from the center of the image
Fréquence spatiale 40 lignes / mm
Distance from the center of the image
Spécifications techniques
| Type | FUJINON GF23mmF4 R LM WR | |
| Lens configuration | 15 elements 12 groups (includes 2 aspherical ,1 Super ED , 3ED elements) | |
| Focal length | f=23mm (18mm in 35mm format equivalent) | |
| Angle of view | 99.9° | |
| Max. aperture | F4 | |
| Min. aperture | F32 | |
| Aperture control | Number of blades: 9 (rounded diaphragm opening) | |
| Step size: 1/3EV (19 steps) | ||
| Focus range | 38cm – ∞ | |
| Max. magnification | 0.09x | |
| External dimensions : Diameter x Length*1 (approx.) | ø89.8mm x 103.0mm | |
| Weight*2 (approx.) | 845g | |
| Filter size | ø82mm | |
| Accessories included | Lens cap FLCP-82 Lens rear cap RLCP-002 Lens hood Lens pouch | |
NOTES
*1 distance mesurée à partir de la platine de montage sur l’appareil
*2 Sans bouchon ni pare-soleil
