cm0002@lemmy.world to Funny@sh.itjust.works · 17 hours agof-stop explained with catslemmy.mlimagemessage-square15fedilinkarrow-up1392arrow-down14
arrow-up1388arrow-down1imagef-stop explained with catslemmy.mlcm0002@lemmy.world to Funny@sh.itjust.works · 17 hours agomessage-square15fedilink
minus-squareeinfach_orangensaft@sh.itjust.workslinkfedilinkarrow-up1·14 hours agosomeone care to explain to me why f1.4 is supposed to be the lowest f number jet i can buy a fresnel lens with a calculated f of 0.4?
minus-square9point6@lemmy.worldlinkfedilinkarrow-up17·14 hours agoSimple, f1.4 isn’t supposed to be the lowest
minus-squareFetus@lemmy.worldlinkfedilinkarrow-up3·13 hours agoYeah, I have normal camera lenses lower than that. From memory, the F-stop number is like a ratio between the focal length and the effective diameter of the lens.
someone care to explain to me why f1.4 is supposed to be the lowest f number jet i can buy a fresnel lens with a calculated f of 0.4?
Simple, f1.4 isn’t supposed to be the lowest
Yeah, I have normal camera lenses lower than that. From memory, the F-stop number is like a ratio between the focal length and the effective diameter of the lens.