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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 16 Apr 2008 (Wednesday) 16:59
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70-200 f/4IS w/ 2x looks fine!!!!

 
Blue ­ S2
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Apr 16, 2008 16:59 |  #1

Everyone is always saying how bad the 2x tele makes the 70-200. Well, I did the experiments for myself today.

I will post pictures later on. Ok, the 70-200 f/4 IS has to manually focus with the 2x. No big deal, I have a brightscreen and magnifier on my camera, easy task.

I got what I consider sharp and clean images at 400mm just fine. The images were in focus just fine as well. Aside from the slow aperture and manual focus, I honestly did not see any downsides that would prevent a solid image from working in print just fine.

Maybe at 200x pixel peeping its not as good, but seriously, the image was nothing I wouldn't present to a client. Film was never this sharp anyways.

I tested against the 1.4 as well. Looked the same just about. The 2x actually had slightly less color contrast. Just slightly though. No problem, just punch it up one notch in camera or in raw.

Personally, Im definitely getting the 1.4 to go with my upcoming 70-200. I think I might just go ahead with the 2x as well for landscape work. I see no reason that would lead me not to use it. And manual focus is not that big of an issue. And with the brightscreen...a dimmer viewfinder didnt even occur to my mind. Looks same as the f/4 virtually.

Pixel peepers and various review sites made the 2x sound like the quality went down the hill. Even the store guy was like yeah I wouldnt use the 2x with this lens. Why not???? Works great, and looks perfectly fine. Very usable! Im gonna be pretty happy with a 400mm lens that is handholdable and weighs nearly nothing more than a 24-105.

f/8? I will probably be using it at f/11 anyways! I do not shoot sports and have other lenses for low light. I am buying this for architecture, construction, and nature, so no "but you cant shoot basketball at f/8 in a gym!" comments! HAHA, i cant remember the last time I went to a sporting event!


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LightRules
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Apr 16, 2008 17:23 |  #2

I have SIX words for you:


IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif'



  
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Blue ­ S2
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Apr 16, 2008 17:29 |  #3

HAHA, yeah yeah I know! They will get posted tonight when I transfer them to my computer with internet access.


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staceyann
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Apr 16, 2008 17:43 |  #4

Blue S2 wrote in post #5343149 (external link)
HAHA, yeah yeah I know! They will get posted tonight when I transfer them to my computer with internet access.

Can't wait to see your photos. I considered 2x for my 70-200mm. I heard the quality wasn't good so I dropped it.


Stacey
5D Mark II, 5D, 28 1.8, 50 1.8, 85 1.8, 70-200 f/4 L IS, 100 f/2 Macro and 580ex II.
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docarii
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Apr 16, 2008 17:51 |  #5

LightRules wrote in post #5343105 (external link)
I have SIX words for you:


IMAGE NOT FOUND
HTTP response: NOT FOUND | MIME changed to 'image/gif'

ROFL! ! ! Haha.

But thanks for shedding some light on the extender, I ordered it today with the 70-200mm (the 2.8 IS version though) and I'm a bit scared about the quality it will give. I want it for outdoor sports, I don't think I'll need double the FL indoors.

P.S. Looking forward to seeing those pics!!




  
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nothsa
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Apr 16, 2008 17:59 |  #6

docarii: post some pics in here when you get it. I'm considering getting a 2x TC when I order my 70-200 2.8 IS, and I'm very interested in seeing some real-world shots.


[50D] [XTi/400D] - [580EX II] - [Tokina 11-16] [70-200 ƒ/2.8 IS] [17-55] [75-300 (kit)] [18-55 (kit)]

  
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Blue ­ S2
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Apr 16, 2008 18:19 as a reply to  @ nothsa's post |  #7

Ok, the moment you all have waited for! (haha...I hope not!)

Seriously though, these pictures are nothing of "photo shoot" quality. As in subject matter, composition, etc... I walked outside the store and shot some pics of whatever was infront of me in the parking lot. I know for certain that a tripod, mirror lockup, and stopping down a step or so would give me even better results.

Now, these are shot at ISO-400, at 1/400, wide open @ 400mm. 5D with a 70-200 f/4 IS with 2x canon tele. This made it a 400mm f/8 lens. All shots were manually focused and hand held. (no focus confirmation either)

The first picture is accompanied with a center crop.
http://ancientcityphot​o.com/@/Files/_files/1​2/file.jpg (external link)
Center crop:
http://ancientcityphot​o.com/@/Files/_files/1​3/file.jpg (external link)

The second image is accompanied with a far corner crop.
http://ancientcityphot​o.com/@/Files/_files/1​4/file.jpg (external link)
Far corner crop:
http://ancientcityphot​o.com/@/Files/_files/1​5/file.jpg (external link)


Ok, everyone is open to decide for themselves and conduct their own tests. This is just what I discovered with my own equipment and trying out the gear at the store before I purchase. I honestly feel that the prints from these are truly just as good as any lens.

I did not put up a comparison because I am not really "concerned" with a comparison and the "marginal difference". I am not a pixel peeper. I am concerned with real world results and how the images will look delivered to a client or printed for a wall.

The 2x DOES introduce mild purple fringing at high contrast as displayed in the second photo. Easily corrected in post. However, I do feel as an image, the 2x gives perfectly good real world results and there is no reason it deserves the rep. it gets. At least from what I have seen.

To me, I can carry my 5D with a 24-105L, 580exII, 70-200 f/4 and a 2x tele all in a thinktank urban disguise 30 bag with no issue. That means 24-400mm worth of glass and a fantastic body in small shoulder bag. Light weight, hand holdable, and can deliver exceptional quality. As an outdoor setup for being "on the move" it certainly works for me!

Added note: This really are not that much different from the 100-400 ive shot with last week. Thats what sold really sold me as well.
Added note 2: Going back to my 100-400 shots... the centers is a bit sharper at 400 f/8 on the 100-400. Then again, it autofocuses, so Im not sure how much error was introduced with manual focus. Then again, the 100-400 is twice the weight and extends MUCH further out.
Added note 3: I almost forgot...the results are so close...but then I can remove the converter and have an insanely amazing 70-200 lens again! Way more versatile. The 70-200 blows the 100-400 away in the 70-200 range.


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20D_Newbie
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Apr 16, 2008 20:34 |  #8

I am impressed. I have a 2x coming on Friday that I want to try on the 70-200mm F2.8L IS and 300mm F4L IS that will be in the box with it. :D

Whether is gives great, good, acceptable or unacceptable results is somewhat subjective. If it looks good to you, that is what counts. If mine looks that good, I will be pleased.


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V8Rumble
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Apr 16, 2008 22:34 |  #9

It's no secret the 70-200's take the 2xTC well at f/8, as seen here (external link). Your are just stuck at f/8 which has it's disadvantages.


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nicksan
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Apr 16, 2008 22:42 as a reply to  @ 20D_Newbie's post |  #10

The 2X really isn't has horrendous as people make it out to be, provided you use it on the right lens, such as the 70-200 series, and get a good working combo with the TC going.

I used to have the 70-200 f2.8 IS + Canon 2x TC MKII and I was reasonable happy.

I ended up getting the 100-400L because I was shooting more between 200-400mm. I wanted something native, and I feel that the 100-400L is better.

At 100mm, I can shoot at f4, while you shoot at f8. That's a 2 stop difference. At 400mm, I am shooting at f5.6 while you shoot at f8. Actually I found that stopping down the 70-200 + 2x TC makes things a little better...so potentially you are talking more than a stop difference at the long end, albeit the 100-400L at 400mm is not exactly its strong point.

The AF with the 2x TC will be slow, and the VF will be darker...not that the 100-400L is any better...but better than the 70-200 + 2x TC if I recall correctly.

So there are some advantages to having a native lens...

But I was always pretty happy with the 2x...in fact I have an el cheapo 2x right now and it ain't half bad...I tested it out on my 100-400L in fact...stacked it with the 1.4x TC. Would not AF on my 1DMKIII and the VF was dark, but I got decent results...a whopping 1456mm FOV equivalent on my 1.3x crop body!




  
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Blue ­ S2
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Apr 17, 2008 06:10 |  #11

Yeah, the only reason I would use a 2x is to gain the 200-300 range, or 400 range. Should I be interested in anything less, I would pop it off and use the lens natively to 200 at f/4. Doesn't make sense to me otherwise. I would strictly be using the tele for the long end only.

For that reason alone I will probably get the 1.4 first. Ide rather have a f/5.6 with 300mm autofocus so I can continue tracking and panning than have f/8 and have to manually focus moving objects. All this being that I am getting a small, lightweight lens that needs no tripod.

When my work begins dictating longer, where I don't care about weight and I will be using a tripod, i'll end up purchasing a 300 2.8 with a 2x and really having my options open!

EDIT: Actually, manually focusing this lens would be a breeze if the focus ring were a lot closer to the camera body! I would have much preferred the focus be where the zoom ring is and vice versa. I lose some of my stability holding the focus ring that far out.


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steunited
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Apr 17, 2008 13:20 as a reply to  @ Blue S2's post |  #12

what make was your tc that you used.
canon,kenko,sigma or tamron.
i think i wiill get a 2x tc until i can afford the 400 5.6l


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Double ­ Negative
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Apr 17, 2008 13:25 |  #13

2x quality on the 70-200mm is just fine, which is something I've said for a long time.

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Blue ­ S2
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Apr 17, 2008 13:26 |  #14

Both teleconverters were Canon brand, and the MkII versions.


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70-200 f/4IS w/ 2x looks fine!!!!
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