f-stop/sensor size/full frame equivalence - need a summary table or link: Open Talk Forum: Digital Photography Review
![7artisans 50mm F0.95 APS-C Portrait Spiegelloses Kameraobjektiv mit großer Blende Large Aperture Fixed für Sony A6500 A6300 NEX-3R NEX-5 A7R A7S: Amazon.de: Elektronik & Foto 7artisans 50mm F0.95 APS-C Portrait Spiegelloses Kameraobjektiv mit großer Blende Large Aperture Fixed für Sony A6500 A6300 NEX-3R NEX-5 A7R A7S: Amazon.de: Elektronik & Foto](https://m.media-amazon.com/images/I/510mOMHmmyL._AC_UF894,1000_QL80_.jpg)
7artisans 50mm F0.95 APS-C Portrait Spiegelloses Kameraobjektiv mit großer Blende Large Aperture Fixed für Sony A6500 A6300 NEX-3R NEX-5 A7R A7S: Amazon.de: Elektronik & Foto
![Update #3) Are Sony, Olympus and Panasonic Cheating Their Customers (crop factor with ISO & aperture)? Update #3) Are Sony, Olympus and Panasonic Cheating Their Customers (crop factor with ISO & aperture)?](https://www.canonwatch.com/wp-content/uploads/2014/05/Tony-Northrup_Crop_Sensor_2014_0009_Tony-Northrup-copy-10.jpg)