[minta]Tips and trick utk moto seorang model! - Page 4
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Thread: [minta]Tips and trick utk moto seorang model!
  
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  1. #31
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    Re: [minta]Tips and trick utk moto seorang model!



    #Distance and Aperture when Using the built in Flash.
    A set criteria is necessary between the guide number,aperture and distance when shooting with the flash.
    Calculate and adjust the shooting conditions if flash isn't sufficient.
    Built in flash guide number.
    -----------------------------------------//
    sensitivy / Built in flash guide number
    _________________________________________//
    ISO 100 / 11
    ISO 200 / 15.6
    ISO 400 / 22
    ISO 800 / 31
    ISO 1600 / 44
    ------------------------------------------//

    #Calculating Shoting Distance from Aperture value.
    The following equation calculates the distance of the flash for aperture values.
    Maximum flash distance L1=Guide number + Selected aperture
    Minimum flash distance L2=Maximum flash distance + 5*
    *The value 5 used in the formula above is a fixed value wich applies only when using the built-in flash alone.

    -X-ample
    When sensitivy is [ISO 100]and aperture value is F2.8
    L1=11 + 2.8=approx 3.9(m)
    L2=3.9 + 5=approx 0.8(m)
    Therefore,the flash can be used in a range of about 0.8m to 3.9m.
    The flash can't be used when the distance is less than 0.7m.When the flash is used at closer than 0.7m ,it causes vignetting in the picture corners,light is distributed unevenly and the picture may be overexposed.

    #CAlculating Aperture Value from Shooting Distance
    The following equation calculates the aperture value for shooting distances.
    Aperture value used F=Guide number+Shooting distance.
    When sensitivy is[ISO 100]and shooting distance is 5m,aperture value is: F =11 +5 =2.2

    If the resulting number(2.2,in the above example)isn't available as a lens aperture,the smaller number that is closest(2,in the above example)is generally used.

    Itu rumusna kurang lebih seperti begitu(tapi pake built'nflsh).
    4. Apaan lagi yah ???
    LOL...u org yg punya selera humor yg lumayan buruk LOL.Anu gw punya tambahan sebelum sesi pemotretan dimulai ada baiknya kita adakan briefing dulu lalu ngececk lokasi pemotretan dan yg pertama-tama emang kudu diajak n'dho(dlm bhs Jawa)dulu,ngobrol bentar trus baru moto.

    IMO, dibutuhkan lebih dari skill fotografi utk bisa moto seorang model.
    Iya itulah yg sedang diperbincangkan...

    Maturnuwun atas komen teman2 happy posting here...
    .. . , ..

  2. #32
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    Re: [minta]Tips and trick utk moto seorang model!



    Ok deh....kapan kita praktekan bersama-sama.........Iurannya berapa2 neehh....
    Siapa Bilang Urang Sunda gak bisa ngomong F....itu PITNAH !!!
    #####################################
    CARA mencetak foto dengan komposisi terbaik sesuai keinginan : KLIK : http://forum.chip.co.id/olah-digital...ml#post1334479

    #####################################

  3. #33
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    Re: [minta]Tips and trick utk moto seorang model!



    Hihihi org-org disini rupana alergi dg Bhs Inglish ya?.Dulu kata Bang Japara menyetel gitu-gituan itu kudu pasti nilainya bukan hasil kira-kira.Nah model udah ada kamera always standby tinggal beli roll film,buka-buka buku Fisika waktu SMA dulu,liat rumus,membuat rumus sendiri,mempraktekkan rumus,memperlihatkan hasil jepretan,ada apresiasi lalu akhirnya mode menyebar rumus:ON.

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    Re: [minta]Tips and trick utk moto seorang model!



    Ga ngerti om rumus nya



  5. #35
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    Re: [minta]Tips and trick utk moto seorang model!



    [spread rumus mode:OFF]
    Hii...h..setelah membaca kembali buku fisika beberapa waktu lalu.Bisa dapet hipotesis nih,hasil pengembangan dari teorinya hukum sneliuss:Semakin panjang panjang focal maka bukaannya maka akan menjadi sempit,

    Ga mudeng ama rumusnya ya?saya juga ga mudeng kok.
    Gini akan saya cobak translatekan ke Bhs Indon(saya ambil garis besarna aja)=
    -Satu set criteria dibutuhkan diantara anka panduan,bukaan dan jarak saat memotret pake flash.
    -Menghitung jarak ngeshot dari besar bukaan.
    Persamaan yg digunakan utk menghitung jarak utk pengaturan bukaan enggunakan flash:Sbg contoh:
    Rumus L1,jika ISO yg dipilih adl 200 dan bukaannya 5.3,maka angka panduan yg dipilih yaitu yg udah tersedia di tabel(15.6)kalo dimasukkan ke rumus(jarak object) L1=1.56+5.3=6meteran.Rumus (bukaan)F=angka panduan+jarak.Kalo ngeliat hasil rumus tadi menjadi F=????.....Udah ah gw juga jadi binguuung ini satuan kok dijelasin yach payach nih developer2 pentax.

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    Re: [minta]Tips and trick utk moto seorang model!



    oh...gw baru ngerti apa yang di maksud...di buku manual D70 gw juga ada..
    kayak gini :


    khusus buat internal speedlight nya...

    tabel seperti ini juga sering ditemui di bagian belakang flash-flash lama yang masih manual...kayak metz yang sering dipake photografer wedding yang masih pake kamera analog...

    D300 ato D700 ato D3x yg murah..u wish!!
    Selling Asetek WC Kit...anybody interested just PM me....

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    Re: [minta]Tips and trick utk moto seorang model!



    Quote Originally Posted by maverick_007 View Post
    oh...gw baru ngerti apa yang di maksud...di buku manual D70 gw juga ada..
    kayak gini :


    khusus buat internal speedlight nya...

    tabel seperti ini juga sering ditemui di bagian belakang flash-flash lama yang masih manual...kayak metz yang sering dipake photografer wedding yang masih pake kamera analog...
    Gini kaliii yakkk......
    paling kiri atas : Iso 200 aperture 2....jaraknya bisa 1 s/d 7.7 meter..
    atau dibalik bacanya dari kanan.....bila mau ambil gambar berjarak 1 s/d 7.7 m, maka kombinasi ISO dan apperturenya bisa di dilihat ke sebelah kiri.

    Betul enggak yach ?

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    Re: [minta]Tips and trick utk moto seorang model!



    Quote Originally Posted by ara View Post
    Gini kaliii yakkk......
    paling kiri atas : Iso 200 aperture 2....jaraknya bisa 1 s/d 7.7 meter..
    atau dibalik bacanya dari kanan.....bila mau ambil gambar berjarak 1 s/d 7.7 m, maka kombinasi ISO dan apperturenya bisa di dilihat ke sebelah kiri.

    Betul enggak yach ?
    betul bro....tergantung kebutuhan aja sih...variable yang konstan nya apa ? ISO, F/stop or Jarak....

  9. #39
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    Re: [minta]Tips and trick utk moto seorang model!



    Tabel GN? Guide Number..
    GN Flash = Jarak Jangkauan flash x diafragma yg digunakan

    So simple.. kalau sudah tau GN flash kita berapa, langsung bisa ngitung..
    Kecuali... kalau GN flash kita bervariasi..
    Tapi, at least kita tau jangkauan maksimum flash..


 

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