Irix 45mm F1.4 vs Nikon AF Nikkor 50mm f1.4D Detailed Comparison

Irix 45mm F1.4 vs Nikon AF Nikkor 50mm f1.4D

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Standard Prime | Nikon F (FX)

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Nikon 50mm f1.4D

Standard Prime | Nikon F (FX)

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Reasons to choose Irix 45mm F1.4 over Nikon AF Nikkor 50mm f1.4D

Focal Length - Wide	45mm vs 50mm	5mm wider coverage
Diaphragm Blades	9 vs 7	better Bokeh
Diameter	mm vs 65 mm	65 mm smaller in diameter
Length	mm vs 43 mm	43 mm shorter
Weather Sealing	Yes vs None	weather sealed

Reasons to choose Nikon AF Nikkor 50mm f1.4D over Irix 45mm F1.4

Price	$150 vs $525	Cheaper by $375
Focal Length - Tele	50mm vs 45mm	5mm more tele coverage
Autofocus	Yes vs None	Easier and more accurate focusing
Weight	230 g vs 925 g	695 g lighter
Filter Thread	52 mm vs 77 mm	Smaller filters are cheaper

Irix 45mm F1.4 vs Nikon 50mm f1.4D Specs Table

Detailed comparison of specifications

General	Irix 45mm F1.4	Nikon 50mm f1.4D
Brand	Irix	Nikon
Lens Type	Prime	Prime
Price	$525.00	$149.99
Lens Type	Standard Prime	Standard Prime
Lens Mount	Nikon F (FX)	Nikon F (FX)
Max Format	35mm FF	35mm FF
Focal Range	45mm	50mm
Image Stabilization		No
Colour	Black	Black
Zoom Method	No Zoom	No Zoom
Power Zoom	No	No
Zoom Lock	No	No
Zoom Ratio	1.0X	1.0X
Aperture
Max Aperture	F1.4	F1.4
Min Aperture		F16.0
Aperture Ring	No	Yes
Diaphragm Blades	9	7
Optics
Optical Elements	unknown	7
Optical Groups	unknown	6
Special Elements	unknown	unknown
Focusing
Min Focus Distance	unknown	0.45m
Max Magnification	unknown	0.15X
Autofocus	No	Yes
AF Motor Type	No AF	Screw drive from camera
Full Time Manual	Yes
Focus Method	Internal	Unit
Distance Scale	Yes	Yes
DoF Scale	Yes	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	925g	230g
Diameter	Unknown	65mm
Length	Unknown	43mm
Materials	Unknown	metal mount
Weather Sealing	Yes	No
Filter Thread	77mm	52mm
Filter Notes	-	-
Hood Supplied	Yes	No
Hood Code	Unknown	HR-2
Tripod Collar	Unknown	No
Optional Accessories	-	-
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