Image quality test results from the Sony FE 135mm F1.8 GM Lens are available on the Sony Alpha 7 IV page.
FE 135mm test results from the Sony Alpha 1, Sony Alpha a7R IV, and Sony Alpha a7R III are available for direct comparison. Additionally, many cameras have been tested with the Canon EF 200mm f/2L IS USM Lens, making the Sony Alpha 7 IV vs. Sony Alpha 7 III comparison available. That comparison shows the IV's significant resolution increase.
Order the Sony Alpha 7 IV at B&H | Adorama | Amazon | WEX.
Rent the Sony Alpha 7 IV from Lensrentals.
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