Erden Sizgek:
Nikkor AF-S 70-200mm f2.8 G ED VR II
Erden Sizgek:
Magnification measurements for EL-Nikkor 150mm f5.6 with PB-4 bellows
Erden Sizgek:
Magnification measurements for EL-Nikkor 150mm f5.6 + Canon Close-up 250D with PB-4 bellows
Erden Sizgek:
Enlarging lens Nikon EL-Nikkor 50mm f2.8 metal body
Erden Sizgek:
Enlarging lens Nikon EL-Nikkor 80mm f5.6N plastic body