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<p>[QUOTE=&quot;RickieB, post: 114815, member: 2486&quot;]Hey Ruben... Let&#039;s not get excited now...LOL here is how it works. With film you have an emulsion on the film plane. The light coming in through the lens reacts with that emulsion to burn an image. The emulsion is what is light sensitive and therefore rated by ASA or ISO&nbsp; numbers. The lower the number the more light it takes to react with the emulsion therefore the more intense the colors as in the Fugi Velvia ISO 50 film. AS with aperature setting, film ISO doubles as well making it easy to understand. A 400 ISO film speed is for fast action and a 800 ISO is really sensitive to light and is used with candle light and other night time photography. </p><p>The digital camera has a CCD thats it sensor. It also has a built in meter that provides a wide range of light metering scenes. The light enters the same thru the lens and strikes the sensor and is recorded in the pixels in RGB (Red, Green and Blue) the primary colors. Some digital cameras (high end) have a CYMK setting for commercial printing, however, RGB Adobe 1998 works well in 95% of applications. Either way you go, a film camera&nbsp; can be set to manual and you can increase or decrease your parameters (you are in control)! With a digital camera, when you set it to manual mode you are over riding the camera functions so you basicly use your light meter (hand held) to determine an ISO for you. Simply put say you want to have a sensor speed of 250 ISO, set that figure on your meter, face the meter toward your lens (at or next to the coin) fire your strobe or what ever lighting you have and look at the suggested f stop for your lense. Thas it..now aint that easy?</p><p><br /></p><p>RickieB[/QUOTE]</p><p><br /></p>

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