Sony FE 28-70mm F3.5-5.6 OSS Full-frame Standard Zoom Lens with Optical SteadyShot vs Irix Lens 21mm f/1.4 Dragonfly for Pentax K (Camera Lens Comparison)

Feature	Sony FE 28-70mm F3.5-5.6 OSS Full-frame Standard Zoom Lens with Optical SteadyShot	Irix Lens 21mm f/1.4 Dragonfly for Pentax K
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Product Code	SEL2870	IL-21DF-PK
Purchase
Purchase	Adorama $398 B&H Photo $398 Amazon $398 Best Buy $367 Walmart $299	Adorama $699 B&H Photo $449
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Product
Product Brand	Sony	Irix
Product Family
Retail Price	$400 USD	$699 USD
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Product Manual	sony.com/electronics/support/res/manuals/4479/dd872ea359967bb6142f930eddb0cf8f/44791220M.pdf [i]
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Camera Lens
Camera Lens Mount	Sony E Lens Mount	Pentax K Lens Mount
Format Coverage	Full Frame Sensor	Full Frame Sensor
Zoomability	Zoom Lens	Prime Lens
Lens Image Stabilization	Yes Stabilization	No Stabilization
Maximum Aperture	6 F-Stop	1 F-Stop
Minimum Aperture	36 F-Stop	16 F-Stop
Min Focal Length	28 mm	21 mm
Max Focal Length	70 mm	21 mm
Maximum Magnification	0 x
Max View Angle	54 Degrees	90 Degrees
Min View Angle	23 Degrees	90 Degrees
Lens Groups	8 Lens Groups	11 Lens Groups
Lens Elements	9 Lens Elements	15 Lens Elements
Compare
Compare	Compare to another camera lens	Compare to another camera lens