School echebe ihe aperture na shutter ọsọ?

Iji nweta a n'ezie elu àgwà ndị mara mma site na nkà echiche, photos, iji nweta ihe dị oké ọnụ SLR igwefoto. Jụọ ọ bụla pro-echebe, o gosikwara na-amụta niile intricacies emeso technology ọ dị ya mkpa karịa otu ọnwa. Iji ekpuchi n'otu isiokwu niile nuances nke iji igwefoto bụ bụghị ihe ezi uche. N'ihi na a mmalite ga-ezu obibi na abụọ okwu - aperture na shutter ọsọ.

Gịnị bụ diaphragm? Olee otú iji ya?

Si sụgharịa okwu Grik bụ "diaphragma" na-anọchi "nkebi". Ị eleghị anya, nụrụ - dị iche iche anya m nwere ike dị iche iche aperture. Nke a pụtara na site na ya ha rue dị iche iche na ichekwa nke ìhè. N'ezie, diaphragm - a na ngwaọrụ na-achịkwakwa dayameta nke aperture site na nke ìhè penetrates matriks (a ìhè-chebaara igwefoto mmewere). A na-akpọ ndị ruru nke aperture n'obosara nke oghere aperture na Baịbụl hiwere isi n'ebe dị anya. Na-egosi aperture uru eji Latin akwụkwọ ozi F.

Site na-agbanwe uru nke F na otu ọnọdụ, anyị nwere a 2-anọghị n'ogige atụrụ mgbanwe ego nke ìhè na-abami matriks na-agbanwe uru nke index 1.4. Standard F ụkpụrụ bụ n'etiti 1.0 na 32.

Anya m na a nnukwu aperture ga-eji na-ewere foto nke na-akpụ akpụ ihe, ndị mmadụ na ụmụ anụmanụ, na ndị ọzọ - iji mepụta a mara mma ma ikpọ osise dimly udo ụlọ na oge ọjọọ. The iche iche na ụdị nke ese foto aperture size bụ mgbanwe site na ngwaọrụ menu, ma ọ bụ site n'ọnụ ndị yiri mgbaaka na igwefoto ahụ na oghere.

Ke adianade niile nke n'elu n'ụzọ ziri ezi ahazi aperture na shutter ọsọ eme ka o kwe nweta chọrọ omimi nke ubi (DOF). Adịgide na-egosi otú o doro anya na anya ka ebe gburugburu na-elekwasị anya nke ihe. Ọ bụrụ na uru f / 1.8 ohere gburugburu ga-enwe ihe bịara ikiri karịa ka ihe atụ, na f / 22.

Open aperture na obere na-arụpụta ezigbo ihe nlereanya nke nnukwu foto. N'aka nke ya, na nnukwu aperture oghere aghọ warara, na-enye gị ohere iji nweta a picture ezi doo anya na ihe niile ụgbọ elu, gụnyere na ndabere. Ya mere clamped diaphragm na-atụ aro maka agbapụ odida obodo photos.

Gịnị bụ shutter ọsọ na otú kwesịrị ekwesị na hazi?

Aperture na shutter ọsọ na-etolite a na-akpọ ekspoparu, ebe ọ bụ n'ihi na ha kpebisiri ike site image ikpughe. Site n'onwe ya, ndị shutter ọsọ bụ ogologo oge mgbe ìhè ụzarị banye n'ime site aperture kọwara matriks. Gbakọọ oge na sekọnd na ụmụ irighiri ihe nke sekọnd - 1/30, 1/125, 2 "5 (2.5 sekọnd), 10" (10 sekọnd), wdg

E nwere echiche dị otú ahụ dị ka obere na ogologo ntachi obi. Fast shutter ọsọ bụ ezigbo na okwu nke na-akpụ akpụ na-achị. E nwekwara a "ọlaedo na-achị" ndị ị na-ahọrọ na ezigbo shutter ọsọ - ọ ga-ra nrata ka Baịbụl hiwere isi n'ebe n'ogologo. Ọ bụrụ na anya bụ, sịnụ, 80 mm, ọ dịghị mkpa ka ndị shutter ọsọ karịa 1/80 nke a abụọ. Longer ikpughe ga-eme ka mgbochi, na image ntụpọ n'ihi na ije nke igwefoto onwe ya.

Long ikpughe na foto na-kasị na-eji maka Okirikiri (gụnyere n'abalị). Otú ọ dị, nke abụọ ahụ, ọ dị mma iji a tripod na ngwa ngwa oghere. Iji nwetakwuo belata vibration, i nwere ike iji ime akara kama nke mbụ mkpọchi na igwefoto ahụ.

Aperture na shutter ọsọ - ndabere nke ọ bụla mejupụtara. Rearranging ha n'ụzọ kwesịrị ekwesị, ọbụna na a mfe igwefoto, ị nwere ike ime ka ezigbo masterpieces.