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[Official] OCN Camera Thread - Page 1031

post #10301 of 29551
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Quote:
Originally Posted by theCanadian View Post
Why do cameras need to sync the flash? Why can't the flash just pop for say 1/60s and then open the shutter for whatever duration you want in between that time using normal TTL metering?
It's very confusing and I would just stammer trying to explain, but the Wiki seems to make it at least somewhat clear:

http://en.wikipedia.org/wiki/Focal_plane_shutter
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post #10302 of 29551
The whole shutter isn't opened all at the same time, so it would leave uneven exposure.
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post #10303 of 29551
Cameras can only open the shutter to reveal the sensor fully below a certain speed (your sync). That's when the flash can go and fire becuase it instantly blasts the whole scene with light at a mere 1/10000-1/4000s.

This used to matter, not so much with high-speed sync mode units in modern times. With high-speed sync, the flash goes off multiple times to cover the entire sensor as the shutter is moving very close together forming a slit. I always leave this mode on (at the cost of range) and the flash automatically calculates and shows you guide number once you get past your camera's sync speed.
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post #10304 of 29551
BTW, an ND filter and cheap manual flashes will be cheaper than having TTL flashes that will do HSS. Just a tip, but it applies more for off camera flash.
post #10305 of 29551
Quote:
Originally Posted by dudemanppl View Post
BTW, an ND filter and cheap manual flashes will be cheaper than having TTL flashes that will do HSS. Just a tip, but it applies more for off camera flash.
That reminds me, I need to learn how to use NDs, GDs, and CPLs. I'm a bit horrible at using filters for my photography and it seems like a useful/interesting facet to learn.
post #10306 of 29551
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Quote:
Originally Posted by r31ncarnat3d View Post
That reminds me, I need to learn how to use NDs, GDs, and CPLs. I'm a bit horrible at using filters for my photography and it seems like a useful/interesting facet to learn.
There's not much to them really, fairly easy to use. The hard part is deciding what brand and type to get.
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post #10307 of 29551
I have my Nikon D3000 for sale. I'm ready to upgrade!

http://www.overclock.net/other-techn...55mm-lens.html
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post #10308 of 29551
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Quote:
Originally Posted by Shane1244 View Post
I have my Nikon D3000 for sale. I'm ready to upgrade!

http://www.overclock.net/other-techn...55mm-lens.html
What are you upgrading to?
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post #10309 of 29551
Quote:
Originally Posted by GoneTomorrow View Post
What are you upgrading to?
I'm thinking of going to a D90 pretty much has everything I want aside from higher ISO. I might spring the extra money for the D7000, but I'm not sure. I'm also looking into the D3100 as it's still a pretty good upgrade, and I can get it for cheap with my employee discount.

I'm hoping to find a cheap D90 body only. I don't need the 18-55.
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post #10310 of 29551
Quote:
Originally Posted by Shane1244 View Post
I'm thinking of going to a D90 pretty much has everything I want aside from higher ISO. I might spring the extra money for the D7000, but I'm not sure. I'm also looking into the D3100 as it's still a pretty good upgrade, and I can get it for cheap with my employee discount.

I'm hoping to find a cheap D90 body only. I don't need the 18-55.
I spoke with several retail reps and they all pretty much said they think the D3100 is the better buy over the D5000, even though the D5000 is technically the better camera, (though the D3100 has some features the D5000 lacks). D7000 was out of my price bracket, but the D5000 has the same sensor as the D90. After using the D3100 for a while now, I like to think of it as fully featured, minus lockup. But their is still the bulb + stop watch option, assuming you have a sturdy tripod.
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