Give me reasons to by the 200 f/2

jaayres20 said:
I am a wedding photographer and I already have a lot of great gear that helps me do my job well. I have a 1DX, a 5D3, 70-200 f/2.8L IS II, 24-70L II, 85mm 1.2L, 50mm 1.2L, 100mm f/2.8L IS Macro, 90mm f/2.8 TS, and I just picked up the 300mm f/4L IS. I obviously have everything I need to do a good job at any wedding, however I just like to buy gear and get the best I can as long as I can justify buying it. Sure it would be really nice to have the 400mm f/2.8 for when I am stuck in the balcony of the church but I can't justify the price of the lens for that reason.

I am so close to buying the 200mm f/2 but I am actually having a hard time justifying the price. I have looked into it so much and I know it is superb, but will it be worth the $6000? I don't know? I love to shoot wide open and I love lens compression. I shoot with the 85 at 1.2 always and I try to stand back and use my 70-200 at 200mm or sometimes I even use the 300mm for portraits.

I also like the 300mm for when I am stuck in the back of the church during ceremonies, but I would probably have to sell it if I picked up the 200 f/2. I am curious how the 200 f/2 would preform with the 1.4xIII or 2xIII teleconverters in terms of IQ in relation to the 300 f/4L. I am not terribly concerned about focus speed because the 300 f/4 isn't super fast and I mostly use it when everything is still.

Anyone have any thoughts? Especially those of you who use the 70-200 f/2.8L IS and the 200mm f/2. Also if by chance any of you have any knowledge on how the IQ of the 200mm f/2 with the 1.4III teleconverter relates to the 300mm f/4L?

I had a similar dilemma, though I don't shoot weddings. I was faced with the decision of the 300 f2.8 IS or the 200 f2 IS. I already had the 70-200 f2.8 IS v2 so I ended up going for the 300mm because of the additional focal length and same aperture. The 200 f2 IS is an amazing lens and if I were exclusively a fashion or portrait photographer it would definitely be on my must have list. Instead, I'm a life style & travel photographer and the added focal length of the 300mm made photographing things in a helicopter or tour bus much easier. Sure, I could probably added a teleconverter to the 200 for added range, but the same is true with the 300.

Ultimately I ended up purchasing the 300mm f2.8 first...then a couple years later I bought the 200m f.2 because I started doing more portraiture outside of my day job.
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Super Macro Underwater / ISS Timelapse short film

expatinasia said:
Mantadude said:
expatinasia said:
Beneath the surface of our oceans.

Very nice. May I ask, how or where did you get the beginning shots of the earth? Looks like Google Earth but wanted to ask, if it is Google Earth are we allowed to use those images?

Hello,
Thanks for watching it. It isn't google earth. These are timelapses from the ISS. You can find them here:
http://eol.jsc.nasa.gov/Videos/CrewEarthObservationsVideos/

They do allow you to use them, as long as you give them credit, as you will see in my credits.

Dustin

Thanks for sharing, Dustin. I had no idea that even existed. Great to know. Thanks.

No problem. It is pretty cool that they let people use it.
Dustin
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How to tell when Eneloops are running dry in 600EXs?

I am with Jim Saunders in thinking it would be useful if a low-battery status (especially that of whatever flash unit in a group would be going first) were relayed to the master display.

To decide when to do a battery change, I go by the second misfire. With a first misfire, I find myself being (hopelessly) optimistic, attributing the misfire to something (anything) other than low batteries. If I'm in error, the second misfire comes soon enough.
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What makes a photographer, a photographer?

thepancakeman said:
Interesting! Is there any requirement for registering as a master level tradesman, or is it just different paperwork and/or more money?

That I don't know. I just spend 5 minutes on the Internets Tubes pulling the Islandic law documents.

I am not a lawyer in real life, but on TV I play a guy who knows not to believe any uncited entry on Wikipedia... especially when it simply does not make sense. ;D
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Sharpest EF Lenses (according to DxO)

First, the ratings only apply to a specific camera body. Certainly not across brands.

People tend to look at the numbers but misunderstand what they mean. They are forever comparing ratings from one brand to another, a 12mp camera rating to a 32mp rating. The DXO ratings cannot be used that way.

Sharpness (Acuity) is far from the only quality of a lens, in fact, most lens reviewers measure contrast (MTF). DXO's score, unfortunately does not tell us a lot about a lens, and it is not a measure of sharpness. Certainly acuity and MTF are factored into their score, but it is incorrect to use the DXO overall number and say that represents sharpness.

What factors in to their rating? - They say:

"
The DxOMark Score considers the overall performance of a lens plus its performance when used with a specific camera body.
Do they measure coma
What about Autofocus accuracy or speed
What about IS



Their is a lot of improvement that needs to be done in their ratings, several times they have been called out for totally wrong ratings, and after defending them, they silently updated them to correct them.

I would not put much if any value in their ratings, since they seem to be unreliable, and use undisclosed weightings that often do not seem to match the real world values that other reviewers take into account.
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DxO Review of Sigma 50mm 1.4 DG HSM Art

mackguyver said:
It looks like they measure it across the frame, and they don't mention vignette compensation:

That would explain why a slow IS zoom like the 24-70 F/4 IS has T=4 whereas all fast lenses have T stop significantly above their largest aperture. In other words, this T stop number is a poor substitute for their vignetting number and as such should be considered most useless.

Very confused ...
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Basic home studio setup question

privatebydesign said:
The trouble with umbrellas is a total lack of control on where the light goes. I think most beginners, particularly in smaller spaces, are far better off starting out with a cheapo Chinese softbox with grid kit, something like this. It is far easier to understand and control what is going on if you have more directional control.

For a starter kit I'd recommend two speedlites, something like these and a trigger. They are manual only, well priced but radio triggered so no cables.

I wouldn't worry about a backdrop, after watching a million videos on YouTube you will realise you can do a lot of that with the lights.

Watch stuff like this:
http://www.youtube.com/watch?v=1WTWiN9kLts They have a huge range of very good videos.
http://www.youtube.com/watch?v=qNGiOpWEKxQ This guy has a great channel and really can use small shoot through umbrellas as well as anybody I have ever seen!
http://www.youtube.com/watch?v=91gU93J2Q8k This guy also has a fantastic range of videos and covers both white and black backgrounds with light.
And I really like this, though I'd argue the 16 looks! http://www.youtube.com/watch?v=7zZBD6EMB1k

As for what modifiers are the best, well it totally depends on what you want to shoot and the look you want. Shoot throughs will give the broadest light, excellent for groups and real estate, reflector umbrellas will give you more control, though not much unless collapsed, but they are very versatile. Soft boxes are "best" for mood and control of what, exactly, is going to be illuminated, stylish portraits are easiest and quickest to do with a gridded softbox.

Some brilliant links there thanks for taking the time to post them really helpful.

www.andrew-davies.com
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600EX-RT white balance/collor issues

neuroanatomist said:
SGS said:
Sorry, but i do not fully understand your following statement "It's not sending a white balance per se" In short, does it send WB info to camera if flash is set to M or not?

No matter how the Canon flash is set, it will transmit information about the color temperature of the flash tube to the camera. The camera is going to set a white balance automatically based on the scene, if set to auto. It will use the color temperature of the flash to help make that calculation.

Thank you very much for your help :) Damn it i was really thinking of taking it to service.. I wish they would make a option to turn WB communication with camera - that would save lots of time in pp shoting indoors.. not for me only i think :) Becouse .. yes, i can adjust warmth in K, but damn YN with no communication gets it just RIGHT :)
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Landscape lens for backpacking

bholliman said:
My recommendations would be the EF-S 15-85 and EF-S 10-22 and maybe a fast prime like the 35mm f2 IS for low light or shallow DOF shots. When I had a 550D and 7D, I had both lenses and used the 15-85 for the vast majority of my landscape and other outdoor or flash photography. Its a terrific lens. I borrowed a friends 17-55 2.8 quite a bit and loved it, very sharp and f/2.8 came in handy for lower light photography. To me its focal range was just too limited compared with the 15-85 however. For most landscape photography the wider aperture of the 17-55 will not come into play.

The 10-22 is a really good UWA and I'm sure you will have plenty of opportunities when it will be useful. My oldest son (age 15) and I do a lot of 3-4 day hikes (nothing like your 221 mile adventure however) and I took the 15-85 and 10-22 on most of them and really felt I had everything covered. A few times I wished I had more reach for wildlife, but otherwise these lenses covered 99% of what I wanted to shoot.

I agree with NancyP and Don on the extra batteries and SD cards! A small, really light weight tripod would also come in handy.

Don Haines said:
If you do stay with a crop camera, the 17-55 is a better lens for landscape than the 15-85. It is faster and it is sharper on the wide end....

Sharpness looks pretty close to me in the TDP crops at f/4 and f/8. However, the 17-55 does control distortion better.

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=675&Camera=736&Sample=0&FLI=0&API=1&LensComp=398&CameraComp=474&SampleComp=0&FLIComp=0&APIComp=1
When I did my comparison of the 17-55 and the 15-85, I observed that the sharpness was a bit better on the wide end of the 17-55 and was a bit better on the long end of the 15-85. The differences were noticeable if you looked closely, and in the long run, I would call it a tie... one a bit better wide, one a bit better long... It was the faster lens that won out in the final decision as I would be using it at sunrises and sunsets, and also in some poorly lit areas...

Ultimately, you can't go wrong with either lens.....
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New lens - Sigma vs. Canon

MTL18 said:
Thanks for all the replies. I tried both and bought the Sigma. It was heavier, but the metal construction and internal movements justified the weight. I really liked that the lens didn't expand/shrink as zoom changed, and the image quality was excellent.

So far I am very impressed with the colours in the pictures. They appear so bright, vivid, and crisp. I'll learn more over time but so far so good!
MTL18, welcome to CR and congrats on the new lens. It looks like quite a package from what I've seen. There are lots of photo threads on this forum and people are positive and friendly with feedback 99% of the time, so we'd love to see your work as you start using the new lens.
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New Wide Angles Lenses in 2013 [CR2]

StudentOfLight said:
GMCPhotographics said:
9VIII said:
The trick here is you have to realize that optical designers can do very funny things with focal length, like making an 800mm lens that's only 461mm long, or "retrofocusing" design with an effective focal length that exists entirely outside the lens.
The "focal length divided by aperture" rule is true, but the definition of focal length is more than meets the eye.

I'm sure the video guys here would point out we would all be better off using T-stop anyway.

The word "telephoto" indicates that a lens' focal length is longer than it's physical length. So a 135L is a telephoto lens, but a 85L isn't. Many photographer's assume that a "tele" indicates a longer focal length, but it doesn't. It is possible to have a fairly wide telephoto lens.

I learnt something today. So the 40mm pancake is in fact a telephoto lens. Who knew?

Yup! While the 50mm f1.4 USM isn't a telephoto either!
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