I am fairly new to photography, and am wondering how to set my S75 to have a long exposure. More importantly, what is the maximum length for exposure time that I can set it for? I have seen some cameras that let you set it for 30 seconds....any chance of doing that with my S75?
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There are nighttime settings for most cameras. This can be an auto setting where the camera will automatically detect the light level and set the exposure rate. On a manual setting, you need to consult your manual as to the options of can be set such as: aperture (how big the hole is to let light in) f-stop (speed of the shutter) exposure time (how long to expose the CCD) Flash on or off.
all of these items should be explained in your manual. If you did not get a manual, the please look up these items in a search engine to get an understanding of how to balance your exposures. Flash photography is not the only nighttime way to take picture.
It's a simple calculator that helps you determine specific depth of field measurements as well as other tricky items like exposure reciprocation and manual flash exposures.If you have been a good little photography nut, you have a lot of the formulas committed to memory, but it's a lot faster this way. Plus, it comes with some handy reference docs like a glossary and a zone system reference.
The only reason you would want to polar align is to do astro-photography which will be difficult from your location.
Use the scope in normal ALT AZ configuration. Calibrate motors, Train Drives, make sure time, date, site, are set correctly. The Calibrate sensors function sets the magnetic deviation for your SITE. Not really that important because when you center two alignment stars everything is corrected anyway.
So take the wedge off the tripod --- you can still do short duration astro-photography usually not exceeding 12 second exposures and then STACK the images using software.
This could be many things. If indoors, use higher iso setting and/or use the flash. Make sure exposure compensation is set to 0, or raise it. Use one of the automatic programs and let camera pick shutter speed and aperture. In manual mode, pay attention to exposure value in viewfinder, and avoid using higher apertures unless outdoors in bright sun (f16, f22, etc) the higher this number the less light is allowed to camera.
Not all cameras can do this. The Nikon N8008, for example, allows you to specify the number of exposures for each frame. The N80, on the other hand, doesn't. You have to cancel the Multiple Exposure mode to advance to the next frame, then set M-E again.
Scenes modes are for when you aren't sure about the settings yourself and just want the camera to try to figure it out. They can work pretty well, but they are more for the point-n-shooter. With the manual capabilities, those are where I'd focus my attention.
Still, the scenes modes are adequate for the types of situations that most people will need:
• Twilight (low light shots, long exposures)
• Landscape (focus locked to infinity, small apertures, flash cancel)
• Portrait (large apertures)
Beyond that, and you're likely to use either Auto or the Full Manual Mode.
Of course, you can shoot in B & W.
This is a very basic function for most digicams, and a walk in the park for advanced cameras like the S75. I'd also bet that a S75 B&W shot with the Sharpness turned down to -2 would make for a very interesting and moody shot.
You can add a zoom lense. In my opinion, the best tele lens for the advanced-class Cyber-shot family members (S75, S70, and F505V) is the Olympus B-300. You'll have to do a search of your own to find it. It's rare now, because it seems everyone has sort of "discovered" its capabilities --- Sony users, Canon users, Olympus users. Get one if you can.