The attached image was kindly taken by Alpa to demonstrate the FULL images circle of these lenses when used on the 33×44 CMOS sensor.
For these tests – the Alpa 12XY camera body was used with a Phase One IQ250.
The lenses tested were as follows:
- 23mm f5.6 HR Alpagon ( Rodenstock HR Digaron S) Image Circle 70mm
- 28mm f4.5 HR Alpar (Rodenstock HR Digaron) Image Circle 70mm
- 32mm f4 HR Alpagon ( Rodenstock HR Digaron W) Image Circle 90mm
- 35mm f4 HR Alpar ( Rodenstock HR Digaron) Image Circle 70mm
The scales to the left and right of the centre 0mm represent the image circle.
All images are a 3 image horizontal stitch.(25mm – 0mm – 25mm).
On all images, a respective LCC has been applied.
The image we hope is self-explanatory.
Should you wish to see the full resolution image of 677mb , please email us at firstname.lastname@example.org and we will send a link.