Sony 1.4x Teleconverter Lens 1.4x Teleconverter compatible with select telephoto lenses vs Pentax HD PENTAX-DA 40mm F2.8 Limited (Camera Lens Comparison)

Feature	Sony 1.4x Teleconverter Lens 1.4x Teleconverter compatible with select telephoto lenses	Pentax HD PENTAX-DA 40mm F2.8 Limited
Image
Product Code	SEL14TC	Pentax 21390
Purchase
Purchase	Adorama $548 B&H Photo $548 Amazon $548 Best Buy $550 Walmart $489	Adorama $397 B&H Photo $397 Newegg $397 Walmart $318
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Product
Product Brand	Sony	Pentax
Product Family
Retail Price	$550 USD	$471 USD
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Product Manual	sony.com/electronics/support/res/manuals/4584/45845790M.pdf [i]
Firmware Download
Camera Lens
Camera Lens Mount	Sony E Lens Mount	Pentax K Lens Mount
Format Coverage	Full Frame Sensor	APS-C Sensor
Zoomability	Teleconverter Lens	Prime Lens
Lens Image Stabilization	No Stabilization	No Stabilization
Maximum Aperture		3 F-Stop
Minimum Aperture		22 F-Stop
Min Focal Length		40 mm
Max Focal Length		40 mm
Maximum Magnification	1 x	0 x
Max View Angle		39 Degrees
Min View Angle		39 Degrees
Lens Groups	5 Lens Groups	4 Lens Groups
Lens Elements	6 Lens Elements	5 Lens Elements
Compare
Compare	Compare to another camera lens	Compare to another camera lens