Fix lens is a standard lens that is commonly one package when purchasing a DSLR. This lens does not have the facilities Zooming more. Fix lens designed in a fixed viewpoint result, then the user must go forward or backward when shooting. Fix lenses are usually used for photographing models, objects dead / alive who does not need a wide field (cropping tight) fit the original shape.
Lensa fix yang paling populer adalah lensa 50 mm. Alasannya karena memiliki sudut gambar dan perspektif yang normal, persis seperti mata manusia memandang. Baik merk Canon, Nikon, Pentax maupun Sony biasanya standar kameranya adalah lensa jenis ini.
The most popular fixed lens is a 50 mm lens. The reason is because it has a picture angle and perspective are normal, just like the human eye can see. Both brands Canon, Nikon, Pentax and Sony cameras are usually standard lens of this type.
Seiring dengan masuknya era DSLR dengan sensor APS-C, yang
memiliki crop factor 1,5 x maka fokal efektif lensa fix 50mm
menjadi setara dengan 75mm. Maka
itu produsen DSLR kini membuat lensa fix 30mm (Canon) atau 35mm (Nikon)
khusus untuk sensor APS-C, sehingga akan memberikan fokal efektif 50mm
bila dikali 1,5.
Along with the entry of the era DSLR with APS-C sensor, which has a crop factor of 1.5 x the effective focal prime lens into a 50mm equivalent of 75mm. Thus DSLR manufacturers now make a 30mm prime lens (Canon) or 35mm (Nikon) specifically for APS-C sensor, so it will provide an effective 50mm focal when multiplied by 1.5.
Along with the entry of the era DSLR with APS-C sensor, which has a crop factor of 1.5 x the effective focal prime lens into a 50mm equivalent of 75mm. Thus DSLR manufacturers now make a 30mm prime lens (Canon) or 35mm (Nikon) specifically for APS-C sensor, so it will provide an effective 50mm focal when multiplied by 1.5.
0 comments :
Post a Comment