Sony 2x Teleconverter Lens 2x Teleconverter compatible with select telephoto lenses vs Rokinon 8mm F3.5 HD Fisheye Lens for Micro Four Thirds (Camera Lens Comparison)

Feature	Sony 2x Teleconverter Lens 2x Teleconverter compatible with select telephoto lenses	Rokinon 8mm F3.5 HD Fisheye Lens for Micro Four Thirds
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Product Code	SEL20TC	HD8M-MFT
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Purchase	Adorama $548 Amazon $548 B&H Photo $548 Best Buy $550 Newegg $505 Walmart $535	Amazon $196 B&H Photo $196 Walmart $239
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Product Brand	Sony	Rokinon
Product Family
Retail Price	$550 USD	$280 USD
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Product Manual	sony.com/electronics/support/res/manuals/4584/45845790M.pdf [i]	cdn.shopify.com/s/files/1/0396/7280/7578/files/Rokinon_8mm_F3.5_HD_Manual.pdf?v=1591116850 [i]
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Camera Lens
Camera Lens Mount	Sony E Lens Mount	Micro Four Thirds
Format Coverage	Full Frame Sensor	Four Thirds Sensor
Zoomability	Teleconverter Lens	Prime Lens
Lens Image Stabilization		No Stabilization
Maximum Aperture		4 F-Stop
Minimum Aperture		22 F-Stop
Min Focal Length		8 mm
Max Focal Length		8 mm
Maximum Magnification
Max View Angle		139 Degrees
Min View Angle		139 Degrees
Lens Groups	5 Lens Groups	7 Lens Groups
Lens Elements	8 Lens Elements	10 Lens Elements
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Compare	Compare to another camera lens	Compare to another camera lens