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Un peu de maïs ?
Lens: 645 A 75 mm f/2.8 Camera: Pentax 645Z Photo Location: Quebec, CANADA ISO: 800 Shutter Speed: 1/90s Aperture: F32 
Posted By: RICHARD L., 07-22-2020, 01:19 PM

Corn photographed with a 645Z + 645 Auto Bellows + 645 A 75 mm f/2.8. ISO 800, 1/100 sec, lens set @ f/16, tripod-mounted. Effective exposure was f/32 as the total extension was 88 mm, the magnification factor 1,15 X and the exposure factor was 4X (2 stops).

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