Voigtlander FE Nokton 21mm f/1.4 Aspherical Aperture Series: Last Light on High Peaks
This aperture series at very far distance from f/1.4 to f/4 assesses the Voigtlander Nokton 21mm f/1.4 Aspherical at far distance for sharpness across the field.
A len asymmetry behavior is discussed, along with the optimal aperture for sharpness at distance.
Voigtlander FE Nokton 21mm f/1.4 Aspherical Aperture Series: Last Light on High Peaks
Includes images up to full camera resolution from f/1.4 to f/4.