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AF Point Selection Oddity on 5D MkIII with 100mm Macro

I've found an oddity with the AF on the 5D MkIII. For a couple of weeks, I've been scratching my head over how I would select the outer points when using single point focus. After playing around this afternoon, I have found that if I select only the 41 most sensitive points, I can only select the central 21 points when using single point, single spot, or expanded, but if I switch to zone, I can select the outer zones. Switching to all 61 points or 9/14 points allows me to choose any point. Trying it out with other lenses (all in group A as opposed to group C for the 100mm macro), I can select any point I wish in any selection mode, including 61 points. I then tried another group C combination, the 300mm L IS iwth 1.4x extender. Again, I didn't have any problems with selecting any point I wished, so it isn't as simple as applying only to certain lens groups. From all of my lenses that are f/2.8 or wider maximimum aperture (I didn't try either the 24-105 or 17-40), it is only with the 100mm macro in 41 point mode where I can't select the outer 20 points and doesn't affect zone AF. I may have mised it, but I couldn't find any reference to the phenomenom in either the 5D MkIII manual or the 1D X AF guide. It isn't really a major issue, as most of the time, I would be using manual focus for macro work and I would be inclined to use the 135mm for the little portrait work I do.

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poor kid's 24-105mm problems

Hi everyone, I am 18 and just about to go to college.

And yes, I took the leap. Dumped all my money that I had earned into a canon body and that "L" (my 24-105mm)

I was happy for a good couple of months until I compared my copy to another which showed me the many problems of mine...
  • stretchy rubber grip that would elongate while use (focus ring)
  • super stiff switches that would peel my skin while turning MF to AF (really made me think twice about going to MF!!)
  • stiff zoom with weird clunks at the ends of the focal range
  • worst of all, I found out that the focus ring is supposed to glide while you use it, and not make this grinding noise when I used it.

So, I turned it into repair up in NJ and explained everything.
They seemed to catch my drift and replaced the grip, checked the stuff, lubricated the focus ring (which now glides).

BUT....... Now there is this clicking noise when ever it starts to focus. just a slight touch will start the click,
Reverse the turning direction and within a few mm of rotation, another click will sound.
When in auto focus, it will click once as it goes in one direction, and if it reverses the sound will come up again.

WTF IS GOING ON WITH MY LENS!? Does anyone know what is going on? Any experience?!
Should I send it in again??? It costs me 17 bucks just to send it in.... which is a lot for me.

I know that some people wills say, "oh kid, just use it, its just a little clicking sound!"
But to me... this is extremely annoying to hear a click when ever I focus.
Every time this thing clicks... I swear... its killing me T_T!

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ST-E3-RT on ebay

Lots of you including me notice that many online store like B&H...etc all out of stock. Since I can't wait any longer, I decided to purchase one from ebay. http://www.ebay.com/itm/Canon-ST-E3-RT-Speedlite-Transmitter-5743B002-NEW-/160860604529?pt=LH_DefaultDomain_0&hash=item25740a0871#ht_2261wt_1397

They shipped quite fast. Placed the order on the 14th and I received it yesterday. Its like $30 bucks more than B&H but I don't know how long is the wait lol.
259279_10151110833322520_895981509_o.jpg


Something just cross my mind, why the Rebel T4i has the transmitter built in and our 5DM3 and 1DX don't have it?
What is the huge different between that one built in and the StE3 RT ?

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Opinions please: Canon 70 - 200 f/4 IS vs. 70 - 200 F2.8 non IS

Dear all,

Just looking for an opinion. I want to get my first L lens and I'm tossing between Canon 70 - 200 f/4 IS vs. 70 - 200 F2.8 non IS. I'm looking to use it for sports photography, mainly outdoors but sometime indoors. I've heard lost of pros for both but I haven't read a review that has given me an opinion between these two lenses. I'm leaning towards the f/4 IS but would the 2.8 compensate for hot having IS?

Has anyone used or have both? Which would people choose - larger aperture or image stabilization?
Any thoughts?

(Thanks in advance!)

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Sony NEX goes Full Frame!!!!

Canon should have done it.... Sony does it.

I just learned via (many) trusted sources that the third revolution from Sony is about to happen. After the SLT and NEX introductions (first two revolutions) Sony is about to change the photographic and video industry with the third revolution… a new Full Frame NEX system!

http://www.sonyalpharumors.com/


now sony has to start making lenses... ;D

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The number of electrical contacts on the mount of an EF lens

Hello all,
Sorry if this topic has been covered before but just curiosity on my part. Was having a look at the rear mounts of some of my lenses and noticed some have different numbers of electrical contacts on them. My three non-IS lenses have 7 contacts in total, one group of 5 and one group of two which is slightly more recessed into the mount (and of these one of the two contacts is considerably wider than the other). However, my 70-200 F4 IS has 10 contacts, one group of 8 and the other 2 recessed further same as above. Now initially I assumed that the extra contacts were to do with the IS mechanism but having looked at the corresponding contact pins on my 7D body I see that there are no pins on the body to make contact with the additional 3 pins of the lens (ie, the body only has a total of 8 pins and two of those pins contact the single wider contact on the lens)- therefore it cannot be to do with the IS mechanism and the crop sensor body does not support whatever function the extra contacts are for... Do the full frame bodies have more contact pins and if so what additional functions are they for?

Hopefully I have explained myself well enough!
Thanks for your input! :)

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5D Mark III / EF 85 1.8 - General Portraiture AFMA

Unfortunately I do not have the option to perform a full calibration at the moment, so I am going to have to settle with AFMA for at least one more month.

I understand that in most cases settings are different for different units, but I am just curious as to what AFMA settings people use for head / torso / full body shots.

I myself find that mine produces slightly sharper images at +5, when shooting from a ~1m. distance.

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Canon 40D or XS

I am in the dilemma of buying either of the above cameras. My friend has a 40D and he's asking for $320 (body only) and his camera has 15K actuations on it. My brother insists that for the same money, I could easily find a XS with kit lens.

In some forums, people are saying that 40D had a bad shutter durability record. However, XS seems to me a lower end product of canon to me.

My dad promises me to give me a few of his canon lenses to start with if I have a camera body. But, I worry about the err99 and shutter problem.

Can anybody enlighten me in this regard and help me to make a decision.

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  • Poll Poll
Problems with Canon mk3 locking up

Does your canon 5D mk3 lock up while filming video

  • never

    Votes: 8 40.0%
  • sometimes

    Votes: 10 50.0%
  • always

    Votes: 2 10.0%

Both my 5d Mk3's are locking up intermittently. So far I've lost two wedding ceremonies from these cameras. I'm using genuine Sandisk extreme pro 32gb cards. I'm trying now to induce the problem at home to see if I can work out what is going on. So far it seems to me that the camera may be trying to write a file larger than fat32 will allow. Times the cameras have locked up have been around the moment the camera is about to split the file and start a new file to reach the 29 min mark. When the problem happens the footage starts to skip on the display for about 3 seconds then freezes. Only taking the battery out will unfreeze the camera. The footage of the previous 12 mins is lost completely. Does any one know of a forum dealing with this problem I can join? Canon really need to do something about this ASAP. The camera is useless for events until you can trust it will not loose your footage!

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Remote Trigger and Tethered Shooting

Is there a way to use a remote trigger (wireless) on a 5D MkII when shooting tethered? I am finding that the remote trigger does not work in live view mode. What I am trying to do is have a tethered laptop show the image in a photo booth so that users can see that everyone is in the scene, and then be able to use a wireless remote to trigger the shutter... i.e. I don't need to be attending to the booth the entire time. I know having a monitor is possible (I don't know how), and I was hoping it could be done via a laptop since I have that already. Any pointers for setting up this scenario would be greatly appreciated! Thanks in advance.

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5D Mark 3 - Please help!

I bought a 5D3 to replace a 5D2 and 7D - and feel like the 5D3 images I'm getting after cropping are noticeably softer than those my 5D2 produced! I've heard that complaint from other people, too (seen quite a number of threads, including here at CR) and have seen various responses to that. I have seen other people post and get helpful feedback, so I'd love to get people's opinions on whether they think the hyperlinked pictures are soft when zooming in (up to 100%)? I first noticed softness when zooming in before 100%, and then decided to compare 5DMkII images side to side and definitely felt in a lot of my 5D3 shots it wasn't as sharp...

FYI, this is NOT a RAW software issue that some other people had - I shoot in JPEG, and notice the perceived softness relative to the 5D2 when zooming in on the LCD screen, too. I have NOT yet done any focus micro-adjustment, but still think the shots are able to be analyzed for detail sharpness when zooming in. I had other shots which appeared softer, which I'm not including: I'd rather show what I think are relatively sharp shots, to see if those have more softness than they should.

People, please give me your feedback on whether there is more softness when zooming in than there should be! That being said, please don't add comments about why you shouldn't "pixel peep" or what could be improved about the composition - these aren't the best pictures as these were shots taken purely for posting here.

I am attaching a link to a sampling of various 5D3 photos I've shot. These are SOOC, and haven't been edited. Since I'm throwing in a variety, I am not listing all the camera settings (although I believe when you save the photo to your computer you can see the EXIF data and make judgments accordingly). The lenses I use are the 24-105L, 70-200 2.8 IS II, and 100mm Macro (non-IS).

5D3 Samples: LINK http://www.glenargov.com/Other/5D3-Test/24800438_Zw5jbH#!i=2029849496&k=73Mshxf

5D2 Samples (with same lenses):
http://www.glenargov.com/Other/5D-2-Samples/24804618_8rnbGd

Please get back to me ASAP as I need to make a decision whether to keep the 5D3 or return it. Thank you in advance!

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HONEST users of Canon Bodies who earn their living with photography

Again I find myself in a state of rage and I am cursing all responsible canon managers. Having shot a group of people at a wedding six times I now find out - sitting in front of my 24 inch screen - that the autofocus six times chose the wall behind the group... I accept one can go wrong once or even twice. But not six times out of six. It is clearly a problem of the product. In the particular case a 1D IV paired with a 24-70 2.8.

Back in 2005 I bought a 5D. It focused well and was a great camera in general. Since then I bought a 1D III which could not autofocus at all. I spent about 7000 $ for a camera that can't autofocus and nobody from canon could or wanted to help me. Then I bought a 5D II. In much too many cases the autofocus just goes wrong. Then I bought a 1D IV. Another 7000 $. And again in much too many cases the autofocus is not working properly (as in the case described above). All in all I spent 17'000 $ on cameras from Canon which can not (or not often enough) autofocus.

Now I come to the point: I feel like going for a new body but I am not willing (and able...) to spend even more money on cameras that just don't deliver what the are priced for. So I would appreciate feedback regarding the quality of the autofocus from people who use the 5D III or 1DX. Critical, honest and heavy users and people who have to deliver to customers. Is the autofocus in the mentioned cameras good - ore just LESS BAD but still not as it should be with such a price tag? Your feedback would help me a lot!

By the way. If you wonder how stupid one can be to still think of buying Canon gear: I have a wide range of lenses from 14 2.8 up to 500 4 and would like to still use it in the future.

If you want to have a look on what level I work you can have a look here: www.peoplephotography.ch

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Canon GPS Options

I know that the GP-E2 is available for the newer Canon bodies. I notice that there are a lot of third party options for Nikon bodies. Anyone know of inexpensive way to get gps tagging without the 250$ price tag? I have found solutions for nikon costing 40$ that looks very similar to what the gp-e2 achieves. I have tried EyeFi and I think it is a waste of time. (too small capacity, and it must be uploaded to eyefi and besides it not really GPS, it wont work where there aren't any hotspots). What are my options of i want GPS tagging in Exif, and lightroom comaptible?

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500mm f/4.5 focusing help?!?!?

So I recently got a 500mm f/4.5 I bought the lens of course for the focal length. So, I popped it on the 5D mark 3 expecting the image quality to be fantastic! So, I went out front where I have a bird feeder, and set the lens on a tripod about maybe 20-30 feet away from the feeder. When birds would fly in and land bam, focus was snappy and lock on instantly to take the picture. The images looked dead sharp on my LCD. But when I put them in my computer non cropped or zoomed in the images would be sharp where I focused. However if I zoomed or cropped in to a bird the bird would be soft. Yet the feeder or something next to it would be sharp. So I tried micro adjusting the lens many many many many many many times lol, and cannot tell a difference. From far away, up close medium range they are all dead sharp and when I zoom or crop in I cannot tell a difference. They all look exactly the same. Does anyone know if maybe I'm to far away from the small bird and if I want to take a picture of one it needs to be closer? Or am I doing something wrong as far as using the lens sense I'm new to the super telephoto range?? Also, if the lens is at f/8+ they are super crisp and sharp. So if anyone can help please please post lol thanks

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