Sony Vario-Tessar T* E 16-70 mm F4 ZA OSS APS-C Standard Zoom ZEISS Lens with Optical SteadyShot vs Irix Lens 21mm f/1.4 Dragonfly for Pentax K (Camera Lens Comparison)

Feature	Sony Vario-Tessar T* E 16-70 mm F4 ZA OSS APS-C Standard Zoom ZEISS Lens with Optical SteadyShot	Irix Lens 21mm f/1.4 Dragonfly for Pentax K
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Product Code	SEL1670Z	IL-21DF-PK
Purchase
Purchase	Adorama $798 Amazon $798 Best Buy $800 Newegg $636 Walmart $598 Best Buy $798	Adorama $699 B&H Photo $449
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Product
Product Brand	Sony	Irix
Product Family
Retail Price	$800 USD	$699 USD
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Product Manual	sony.com/electronics/support/res/manuals/4468/44680830M.pdf [i]
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Camera Lens
Camera Lens Mount	Sony E Lens Mount	Pentax K Lens Mount
Format Coverage	APS-C Sensor	Full Frame Sensor
Zoomability	Zoom Lens	Prime Lens
Lens Image Stabilization	Yes Stabilization	No Stabilization
Maximum Aperture	4 F-Stop	1 F-Stop
Minimum Aperture	22 F-Stop	16 F-Stop
Min Focal Length	16 mm	21 mm
Max Focal Length	70 mm	21 mm
Maximum Magnification	0 x
Max View Angle	83 Degrees	90 Degrees
Min View Angle	23 Degrees	90 Degrees
Lens Groups	12 Lens Groups	11 Lens Groups
Lens Elements	16 Lens Elements	15 Lens Elements
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Compare	Compare to another camera lens	Compare to another camera lens