Fast comparison of Sony 12-24mm F/4 G vs Voigtlander 12mm f/5.6 @ 12mm
Fast comparison of Sony 12-24mm F/4 G vs Voigtlander 12mm f/5.6 @ 12mm
Equipments :
- Body Sony A9 Mode A, ISO 200, WB Auto @ f/4, f/5.6; f/8, f/16
- Sony 12-24mm f/4 G : USD 1700 (B&H photo)
- Voigtlander 12mm f/5.6 :USD 1000 (B&H photo)
Environment:
Indoor with neon light and out door 
Sharpness at f/2.8; f/4 & f/8. Center, Edge and Corner edge
Max aperture f/4 (Sony) and f/5.6 (Voigtlander):
Center area: Left: Sony 12-24mm f/4 @12mm; Right Voigtlander 12mm f/5.6 
Corner Edge (f/4 và f/5.6)
Heavy vignetting for both lens, Voigtlander is not good as Sony and lost more detail in this zone
Edge zone (f/4 và f/5.6):
Same as Corner Edge zone, Sony lens is better
Detail at near center zone (zoom 300%)
The Voigtlander 12mm at f/5.6 have more detail than Sony 12-24mm f4 at f/4
f/8 aperture
Center zone:
Left: Sony 12-24mm f/4 @12mm; Right: Voigtlander 12mm f/5.6
Corner Edge (f8)
Same as max aperture, Both lens have heavy vignette , the Sony is better
Edge zone (f/8)
Same as Corner Edge zone, The Sony is better
Detail in near center zone (zoom 300%)
The Voigtlander 12mm f/5.6 at f/8 is far better than Sony 12-24mm f4 at f/8
f/16 aperture
Center zone:
Left: Sony 12-24mm f/4 @12mm; Right Voigtlander 12mm f/5.6
Edge zone (f16)
The Voigtlander 12mm is more improve control in this zone
Edge zone (f/16)
The Voigtlander 12mm is more improve control in this zone, nearly same at Sony in this zone, The Sony still better control
Detail in near center zone (f/16 zoom 300%)
At f16 the detail sharpness are not different so much, Sony 12-24mm f/4 G is litte bit more sharpness than Voigtlander 12mm f/5.6
Conclusion:
Color: Sony have cooler and Voigtlander are more warmmer, As larger aperture as color cast increase, the Sony more blue cast, The Sony is near natural color cast at f/8 and f/11 . The Voigtlander is nearly not change color cast at different aperture
Distorsion:
Both lens have very good distortion control but the Voigtlander is litle bit better
Frame size:
The Voigtlander frame size is larger than Sony @12mm about 2-3%
Vignette control:
The Sony 12-24mm f/4 is more better vignette control than Voigtlander 12mm when test on Sony A9 (can be different when test with Sony A7RII) the Voitglander is more improve vignette control when close aperture reach to f/16
Center sharpness:
The Voigtlander 12mm have more sharpness than Sony 12-24mm at center zone and they are quite same at f/16
Corner Edge and Edge sharpness:
Because of better vignette control of the Sony 12-24mm so it is more sharpness than The Voigtlander 12mm
The fast testing is base on Sony A9 body different than Sony A7RII (better vignette control sensor) so the result may be far different
07.2017
0917953715
