minus-squareXtraThickBacon@alien.topBtoPhotography@viewfinder.pro•Why are modern prime lens so big and heavy?linkfedilinkEnglisharrow-up1·1 year agoLenses with larger apertures ( the lower the f number the larger the aperture ) let in more light. That requires larger diameter elements. Notice the front element is larger on a 1.2 than say a 1.7. More glass/more weight. linkfedilink
Lenses with larger apertures ( the lower the f number the larger the aperture ) let in more light. That requires larger diameter elements. Notice the front element is larger on a 1.2 than say a 1.7. More glass/more weight.