Here is some additional information on the upcoming AstrHori 75mm f/4 medium format lens: 75mm F4 Format: medium format 4433 Focal length: 75mm Aperture range: F4-16 Optical structure: 8 elements in 6 groups Field of view: 44.2° Focus range: 0.82m~∞ Filter size: Φ67mm Size: about Φ75mm*L76mm Weight: about 634.5g Bayonet: Fuji GFX / Hasselblad x … Continue reading Additional information on the upcoming AstrHori 75mm f/4 medium format lens