Paprasta ir aišku.

Dar vienas iš COED (Concise Oxford English Dictionary):

the quantity of light reaching a photographic film, as determined by 
shutter speed and lens aperture.



> kam cia tos dramos, aciverciame wikipedia (kuri beje siuo metu 
> intensyviai praso auku) ir paskitome:
>
> In photography, exposure is the total amount of light allowed to fall 
> on the photographic medium (photographic film or image sensor) during 
> the process of taking a photograph. Exposure is measured in lux 
> seconds, and can be computed from exposure value (EV) and scene 
> luminance over a specified area.
>
> On 11/15/2010 02:20 PM, obliarka wrote:
>> klausimas vis dar lieka neatsakytas:
>> ar tai yra absorbuotas kiekis (tada isiskaito ir iso)
>> ar tai tik krites kiekis (tada iso nesiskaito)
>>
>> "Audrius"<west@meganet.lt>  wrote in message
>> news:ibr6am$2fh$1@trimpas.omnitel.net...
>>> Ekspozicija tai pats šviesos patekimo ant matricos faktas..
>>>
>>> On 2010.11.15 13:24, obliarka wrote:
>>>> toksai klausimelis, kaip reikia ivardinti ekspozicija - ar tai tik
>>>> diafragma
>>>> ir islaikymas ar dar ir iso?
>>>>
>>>> pagal teorija iseitu kad tik diafragma ir islaikymas, bet 
>>>> fotografijoje
>>>> dar
>>>> dasideda ir iso, taigi, ka jus laikote ekspozicija?
>>>>
>>>>
>>>
>>
>>