Cov txheej txheem:

Yuav ua li cas koj ua ib qho yooj yim cardboard lub koob yees duab?
Yuav ua li cas koj ua ib qho yooj yim cardboard lub koob yees duab?

Video: Yuav ua li cas koj ua ib qho yooj yim cardboard lub koob yees duab?

Video: Yuav ua li cas koj ua ib qho yooj yim cardboard lub koob yees duab?
Video: Finance with Python! Short Selling and Short Positions 2024, Kaum ib hlis
Anonim

Koj Yuav Ua Li Cas

  1. Txiav ib ntu 2-nti los ntawm a duab los qhia raj thiab nplaum nws mus rau qhov chaw ntawm lub thawv rau ua a koob yees duab lens.
  2. Npog lub koob yees duab thiab koob yees duab lens nrog washitape.
  3. Txiav ib lub qhov me me saum lub lens rau pem hauv ntej ntawm lub thawv.
  4. Daim kab xev yas qhwv hla ob lub qhov los npog.

Ib yam li ntawd, nws nug, koj ua li cas ua lub koob yees duab hauv tsev?

Yuav Ua Li Cas Lub Koob Yees Duab Pinhole

  1. Txiav ib lub qhov square. Txiav ib lub qhov square rau hauv nruab nrab ntawm ib qho ntawm koj daim npav Tshuag.
  2. Daim kab xev nplaum hla lub qhov. Kaw ib daim ntawm aluminium ntawv ci hla lub qhov.
  3. Poke ib lub qhov nyob rau hauv ntawv ci. Siv koj tus pin lossis daim ntawv clip txhawm rau txhawm rau qhov me me hauv cov ntawv txhuas.
  4. Sim nws.
  5. Tau muaj tswv yim.

Ib yam li ntawd, kuv yuav nkaum lub koob yees duab li cas? 8 Lub tswv yim zoo ntawm yuav ua li cas nkaum koj lub koob yees duab kev ruaj ntseg hauv qhov pom tseeb!

  1. Muab cov ntaub npog npog rau ntawm koj lub koob yees duab.
  2. Mount nws rau qee tsob ntoo lossis tsob ntoo.
  3. Nruab nws hauv qhov chaw siab dua.
  4. Khaws cia rau hauv ib lub thawv.
  5. Mount nws rau ntawm phab ntsa.
  6. Muab zais rau hauv qab nthab.
  7. Muab tso rau tom qab lub qhov rais iav.

Cov lus nug tseem yog, lub koob yees duab ua haujlwm li cas?

A koob yees duab lens siv tag nrho cov teeb rays bouncingaround thiab siv iav los redirect lawv mus rau ib tug taw tes, tsim ib tug ntse duab. Thaum tag nrho cov teeb ci sib ntsib rov qab ua ke ntawm adigital koob yees duab sensor los yog ib daim ntawm zaj duab xis, lawv tsim sharp duab.

Lub koob yees duab pinhole siv rau dab tsi?

Tab sis nws yog ntau zaus siv tsis muaj translucentscreen rau pinhole kev yees duab nrog yees duab zaj duab xis orphotographic ntawv muab tso rau saum npoo opposite rau lub pinhole aperture. Ib qho kev siv ntawm pinhole photographyis mus ntes lub zog ntawm lub hnub nyob rau lub sij hawm ntev ntawm lub sij hawm.

Pom zoo: