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Pentax smc DA 15mm F4 ED AL Limited versus Nikkor AF Nikkor 20mm f/2.8D

Scores and measurements are available only for tested lenses. For preview lenses, you can compare their specs.

Pentax smc DA 15mm F4 ED AL Limited

DxOMark Score

Best at f=15mm & f/5.6[?]
13

Lens Metric Scores

Sharpness
[?]
6P-Mpix
Transmission
[?]
4.3TStop
Distortion
[?]
0.3%
Vignetting
[?]
-1.2EV
Chr. aberration
[?]
13µm
dxomark
Nikon AF Nikkor 20mm f/2.8D

DxOMark Score

Best at f=20mm & f/4[?]
16

Lens Metric Scores

Sharpness
[?]
9P-Mpix
Transmission
[?]
3.2TStop
Distortion
[?]
0.7%
Vignetting
[?]
-0.8EV
Chr. aberration
[?]
22µm
dxomark
Pentax smc DA 15mm F4 ED AL Limited
Announced2009-03-01 
Indicative price (USD) 510 
Aperturef/4  
Focal range (mm) 15  
Filter diameter (mm) 49 
Max diameter (mm) 63 
Mount typePentax KAF  
StabilizationNo  
AF MotorNo  
Zoom type/  
Rotating front elementNo  
Tripod mountNo  
ColorBlack  
Full-Time manual focusYes  
Number of lenses8  
Number of groups6  
Diaphragm blades7  
Circular apertureNo  
Length (mm)39.5  
Weight (gr)212  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark
Nikon AF Nikkor 20mm f/2.8D
Announced1994-03-01 
Indicative price (USD) 570 
Aperturef/2.8  
Focal range (mm) 20  
Filter diameter (mm) 62 
Max diameter (mm) 69 
Mount typeNikon F FX  
StabilizationNo  
AF MotorNo  
Zoom type  
Rotating front elementNo  
Tripod mountNo  
ColorBlack  
Full-Time manual focusNo  
Number of lenses12  
Number of groups9  
Diaphragm blades7  
Circular apertureNo  
Length (mm)42.5  
Weight (gr)270  

Certain fields may be left blank. They will be updated as soon as possible.
dxomark

in P-Mpix
Focal: 15
 
Focal: 20
 
Aperture: 0
 
Aperture: 0
 
Focal: 15
 
Focal: 20
 

in EV

in EV
Focal: 15
 
Focal: 20
 
Aperture: 4 - 5.6 - 8 - 11 - 22
 
Aperture: 2.8 - 4 - 5.6 - 8 - 11 - 22
 

in micrometer