Sony 2x Teleconverter Lens 2x Teleconverter compatible with select telephoto lenses vs Pentax HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW (Camera Lens Comparison)

Feature	Sony 2x Teleconverter Lens 2x Teleconverter compatible with select telephoto lenses	Pentax HD PENTAX-D FA 150-450mm F4.5-5.6 ED DC AW
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Product Code	SEL20TC	Pentax 21340
Purchase
Purchase	Adorama $548 Amazon $548 B&H Photo $548 Best Buy $550 Newegg $505 Walmart $535	Adorama $1,797 Amazon $1,797 B&H Photo $1,797 Newegg $1,797 Walmart $1,797
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Product Brand	Sony	Pentax
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Retail Price	$550 USD	$1,997 USD
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Product Manual	sony.com/electronics/support/res/manuals/4584/45845790M.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	Teleconverter Lens	Zoom Lens
Lens Image Stabilization		No Stabilization
Maximum Aperture		6 F-Stop
Minimum Aperture		27 F-Stop
Min Focal Length		150 mm
Max Focal Length		450 mm
Maximum Magnification		0 x
Max View Angle		17 Degrees
Min View Angle		6 Degrees
Lens Groups	5 Lens Groups	14 Lens Groups
Lens Elements	8 Lens Elements	18 Lens Elements
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Compare	Compare to another camera lens	Compare to another camera lens