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post #1861 of 29551
Quote:
Originally Posted by Marin View Post
Typing this on my phone so I really can't go into detail.

Anyways should I go with an EF or EF-S lens for my next lens?

I've been interested in wide angle and fisheye but can't decide what to get. I ruled out the wide angle EF since it wouldn't actually by wide angle on my XSi. This leaves me with either a wide angle EF-S or Fisheye EF.
I was leaning towards EF since that's the lens format Canon will probably stick with in the future.

Any thoughts?
EF or EF-S wouldn't make any difference on your camera. they still use the same raiting system for focal range and everything the only difference is the mount. lets take for instance if they make a 10-22mm EF lens and lets say a 10-18mm EF-S lens
both of them are going to be the same on the wide end. equiv to a 16mm in a 35mm format. just being it is EF-S doesn't mean it is going to be equiv to a 10mm on a 35mm camera.

biggest thing with your camera I would say to worry about on the EF to EF-S question is are you going to get a full frame camera? if not no worries as crop cameras can take both (not counting the 10d) but if you plan on getting a 5D, 1D or 1Ds then you will need EF lenses.
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post #1862 of 29551
To nikonains, the DX lens class is meant for APS-C sensor cameras. Anything without a "DX" will work on full frame cameras.
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post #1863 of 29551
Thread Starter 
Quote:
Originally Posted by Marin View Post
So EF also can't be used on full frame? That's one of the reasons I was going to get it.

So I guess the wide angle EF-S is the better choice.
No, EF can be used on full-frame, in fact that's the only mount it can use. EF-S is exclusively for APS-C crop sensor cameras, but they can use either mount, although there will be a crop for the EF lenses.

So yes if you want the widest possible angle, then the EF-S 10-22mm is a good choice, plus its IQ is amazing.
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post #1864 of 29551
Thread Starter 
Quote:
Originally Posted by rx7speed View Post
EF or EF-S wouldn't make any difference on your camera. they still use the same raiting system for focal range and everything the only difference is the mount. lets take for instance if they make a 10-22mm EF lens and lets say a 10-18mm EF-S lens
both of them are going to be the same on the wide end. equiv to a 16mm in a 35mm format. just being it is EF-S doesn't mean it is going to be equiv to a 10mm on a 35mm camera.

biggest thing with your camera I would say to worry about on the EF to EF-S question is are you going to get a full frame camera? if not no worries as crop cameras can take both (not counting the 10d) but if you plan on getting a 5D, 1D or 1Ds then you will need EF lenses.
Um, they wouldn't be the same. There is no crop factor for EF-S lenses, which are designed specifically for crop sensors, having a shorter back focus. Also, the 10-22mm is an EF-S mount (unless they made an EF version I'm not aware of) and there's an EF-S 10-18mm ?
Edited by GoneTomorrow - 1/12/09 at 2:23pm
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post #1865 of 29551
Well, I'm loving my S700. At the moment I'm still getting used to it, so some photos I took the other night didn't look too good, but in time I will become the master.

Finally got some memory cards. Staples had a 3-pack of 2 gig PNY 60x cards for $19.99, and dad has had tons of success with PNY cards, so I figured why not. So, I could take 1704 shots on max quality, 3381 on 2nd highest, 6000 on 4 megapixel, 9300 on 2 megapixel, or a whopping 46512 shots on .3 megapixel. With video, I can shoot almost 3 hours on low res, or about an hour and a half on high res. Not bad!

On a side-note... For a camera bag, I'm looking for one that has interior dimensions of 4.2 w/3.0 h/3.2 l, and also under $20. Lowepro Cirrus 100 any good? And also, how good is the $5.25 Tiffen UV filter that BH sells for just basic UV filtering/lens protection?
post #1866 of 29551
Thread Starter 
Quote:
Originally Posted by laboitenoire View Post
Well, I'm loving my S700. At the moment I'm still getting used to it, so some photos I took the other night didn't look too good, but in time I will become the master.

Finally got some memory cards. Staples had a 3-pack of 2 gig PNY 60x cards for $19.99, and dad has had tons of success with PNY cards, so I figured why not. So, I could take 1704 shots on max quality, 3381 on 2nd highest, 6000 on 4 megapixel, 9300 on 2 megapixel, or a whopping 46512 shots on .3 megapixel. With video, I can shoot almost 3 hours on low res, or about an hour and a half on high res. Not bad!

On a side-note... For a camera bag, I'm looking for one that has interior dimensions of 4.2 w/3.0 h/3.2 l, and also under $20. Lowepro Cirrus 100 any good? And also, how good is the $5.25 Tiffen UV filter that BH sells for just basic UV filtering/lens protection?
Well the S700 is a decent p&s with full manual controls, so it's a good camera to learn on. And you can't go wrong with Lowepro bags, just make sure that it will be big enough to suit your needs. I'm on my second Lowepro bag, but am quickly outgrowing it (but I have a DSLR, much more space consuming for sure).
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post #1867 of 29551
Quote:
Originally Posted by GoneTomorrow View Post
Um, they wouldn't be the same. There is no crop factor for EF-S lenses, which are designed specifically for crop sensors, having a shorter back focus. Also, the 10-22mm is an EF-S mount (unless they made an EF version I'm not aware of) and there's an EF-S 10-18mm ?

I don't know if there is a 10-18mm. just more or less making a focal distance for reference sake.


as far as the differerence there in focal length are you trying to say that an EF-S would be wider then a EF lens of the same focal length on a crop camera? take for instance the the EF 17-40mm on a crop camera because the EF lens is cropped acting as a 27.2-64mm lens while the 18-55mm EF-S acts just as though it is an 18-55mm lens rather then a 28.8-88mm lens because they aren't cropped? at least that is what it sounds like unless I'm misunderstanding you here is since EF-S lens's aren't cropped and I had to choose between a ef 17-40 or a ef-s 18-55 lens and I wanted the widest lens as the only factor I would be best to grab the 18-55
Edited by rx7speed - 1/12/09 at 4:35pm
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post #1868 of 29551
Quote:
Originally Posted by GoneTomorrow View Post
Well the S700 is a decent p&s with full manual controls, so it's a good camera to learn on. And you can't go wrong with Lowepro bags, just make sure that it will be big enough to suit your needs. I'm on my second Lowepro bag, but am quickly outgrowing it (but I have a DSLR, much more space consuming for sure).
Yeah, I had a little Lowepro for my 2650, and it has lasted me quite well. The Cirrus 100 says it's big enough for an SLR with a smaller lens attached, which could be nice for when (or if, your pick) I move up to a DSLR (probably once I'm out of college and working, but you never know).
post #1869 of 29551
Thread Starter 
Quote:
Originally Posted by rx7speed View Post
I don't know if there is a 10-18mm. just more or less making a focal distance for reference sake.


as far as the differerence there in focal length are you trying to say that an EF-S would be wider then a EF lens of the same focal length on a crop camera? take for instance the the EF 17-40mm on a crop camera because the EF lens is cropped acting as a 27.2-64mm lens while the 18-55mm EF-S acts just as though it is an 18-55mm lens rather then a 28.8-88mm lens because they aren't cropped? at least that is what it sounds like unless I'm misunderstanding you here is since EF-S lens's aren't cropped and I had to choose between a ef 17-40 or a ef-s 18-55 lens and I wanted the widest lens as the only factor I would be best to grab the 18-55
Yes, say for example there were two 10-22mm lenses - an EF-S and an EF. The EF-S, having no crop, would be a wider angle than the EF version. And if it came down to absolutely needing the widest angle, then the EF-S 18-55mm would be the way to go, but the 17-40mm lens you mention is an L lens, which I would choose just based on the quality of the lens! And 27mm with crop isn't too bad.


Personally, I don't know if I will ever really go full-frame. Crop sensor cameras are pretty sophisticated these days and I'm betting that Canon will start releasing more EF-S lenses (I know Nikon is releasing new DX lenses this year), so I'm banking on that.
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post #1870 of 29551
I have to say you are mistaken on that. all lenses have their focal distance given as how they would be on a 35mm camera. this includes EF-S lenses.
so all lenses when put on a 1.6x crop camera you have to multiply their focal length by 1.6x to see what it would be equiv to on a 35mm camera.

try it yourself. I see you have a 50mm EF lens and a 18-55mm EF-S lens. following what you are saying there the 50mm will act as though its an 80mm lens while the EF-S lens will still act as though it is a 55mm lens.

here are my results of trying that
one is my 50mm lens the other is my 18-55mm lens at as close just under 55mm. which is which?



yes I know the exposure is a bit of between them but the camera was at the same distance. when both shots where taken. just forgot to take the polerizer off and so one of them is darker. but other then that can you guess which is which without looking at the EXIF data?

if you don't believe me try it on your own.


if nothing else read this page
http://www.usa.canon.com/consumer/co...&modelid=17518
and look in the overview and tell me if you notice anything regarding this 18-200mm EF-S lens that would be applicable to this conversation?
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