ZvigadzirwaElectronics

Ndinoda UV-Sefa nokuda kamera?

UV-Sefa - a UV firita. Chinangwa charo chikuru - kudzivirira Manyiminya lenses kubva zvakakanganisika, huruva uye tsvina (zvose nokukurumidza anoparadza izvo). Uyewo, zvakadai Manyiminya zvinhu kutadzisa ultraviolet chiedza kana kupfura zvinhu kure. Mushure digitaalinen chizvaro uye firimu, mukusiyana kuvanhu ziso riri unetseke kwakadai nemwaranzi. UV-Sefa inobatsira chaizvo kuti kutora mifananidzo yetumedu munzvimbo yemakomo munharaunda, zvinobatsira kudzivisa yebhuruu Dombo iri mifananidzo.

The yose munharaunda ultraviolet chakarondedzera anogona kukamurwa neeSultan nhatu: kure - 280 nm uye mapfupi (UV-C); svikiro - 320-280 nm (UV-B); uye proximal - 400-320 nm (UV-A). Utetsa digitaalinen mano dererei pane firimu, saka zvinotora proximal bhendi, uye firimu anokwanisa kugadzirisa zvose ultraviolet siyana (asi ziso munhu anogona kuona hamusi rimwe neeSultan izvi). Zvisinei, yaaizova vhidhiyo makamera rinokutadzisa mano Manyiminya lenses. UV-Sefa maronda nemwaranzi kwakadaro panguva 320 nm (pakati uye kure range).

Pakusarudza chigadzirwa zvakadaro unofanira kutanga kubva dhayamita pamusoro izvo. Kureva kuti uzive izvo Sefa zvakakodzera kamera wako, unofanira kuziva izvo dhayamita pamusoro neshinda (inoratidza mukati muvharo). Mutengo chigadzirwa kunoenderana ukuru hwaro. Sezvo UV-Sefa dhayamita 52 mm iri $ 10-15, uye 77 mm - 30-40 madhora.

UV filters vakakamurwa muzvikwata zvina category:

  • Kwazvakarerekera - kwazvakarerekera, Hauoneki;
  • SkyLight - Pink, rakagadzirirwa kupa mifananidzo inodziya mavara;
  • zvakananga UV - ultraviolet;
  • Maumi - pamusoro maumi.

Pasinei kwokunze kusiyana, chinangwa boka iri rimwe - izvo kudzivirira Kufurirwa nevamwe, UV uye ruvara yeutsi. Chinonyanya mukurumbira vari UV-Sefa uye Skylight.

Kakawanda vanowatengesa Skylight nechinopiwa yakanakisisa uye saka zvinodhura, asi kunoita inodziya mavara ari Photo rinotarisirwa chete firimu makamera pamusoro Nhamba payo ipfupi kuti razero nokuvapo chena nepakati ruvara.

Pakusarudza chigadzirwa akadaro haafaniri kukanganwa kuti huru basa - ndiko kuti vadzivirire Manyiminya izvo kubva zvemaziso zvinofurira uye UV nedziviriro, etc. - hakukoshi. amateurs zhinji chokwadi mupise mano ultraviolet mwaranzi, nekuti mufananidzo ndiwo anoita hapana zvazvinoita (maererano mugadziri, Sefa inodzivirira digitaalinen chizvaro). Maererano Photographers zvakadaro pagadzirwe Photographic optics makambani kungoita cashing pazuva mudzidzi mifananidzo. Saka kazhinji dzinorumbidza kusarudza mumwe kana mumwe UV-Sefa inobva ehupfumi ose zvokuimba kudzivirirwa. Kunyange anodzivirira lenses uye vanonzi yakachipa pashiri, asi musakanganwa kuti chero izvo - iri chipingamupinyi nokupfuuridzirwa chiedza chikuru, saka zvakanakisisa kutenga chigadzirwa kubva anonyatsozivikanwa mugadziri, akagadzirwa yepamusoro zvinhu ane simba chiedza hutachiwana.

Shandisa UV-filters kana kwete, tinofanira kusarudza anozviita mudzidzi mifananidzo, asi kuti kutora matanho kuti vadzivirire izvo, zvakakodzera, nekuti mutengo yakanaka Manyiminya gadziriro asvikire kupfuura mari kamera pachayo.

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