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Messages - Mt Spokane Photography

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Lenses / Re: When to switch lenses during events?
« on: November 17, 2012, 02:06:23 PM »
Thanks Neuro! I'd probably have to carry my bag around then, as I don't have a belt for my lenses.
One question, f4 would indeed be a tad slow, so should I leave my 24-105 at home?

If you can use a flash, it will be fine.
At parties, there can be mixed light, or bright and dark areas that you cannot control.  I'd strongly recommend a flash, you will likely need it for some shots.

EOS Bodies / Re: Bracketing Focus (automatically)
« on: November 17, 2012, 12:08:40 PM »
Magic lantern does this, its a handy feature for stills and used in a process known as focus stacking.  There is other software Helicon) that will do it to a tethered camera via the usb link as well.
I've used it in the past.  Its popular with Macro photographers, since stacking images that are each focused at a slightly different place can result in a image with a huge depth of field that no lens can achieve.

Pricewatch Deals / Re: Black friday - Canon rebates?
« on: November 17, 2012, 12:03:49 PM »
Usually, online discounts happen on black friday.  Usually there are bigger discounts the following Monday (Cyber Monday).
I expect them this year as well, MAP or not.

If you go to a store in person, you can often negotiate a discount on a large purchase.  Its difficult for stores to discount the rebate deals, they have to advance the rebate, and then send in all the proof that they gave out the rebates and charged the Canon specified price.  They sometimes throw in some extras, but the rebate prices seem to hold firm.

One exception is Profeel (PMI) who sells on ebay at a big discount.  They are a authorized dealer but operate on a tight budget.  You can call them and try to negotiate a discount.

Lenses / Re: How long are the current lens instant rebates slated to last?
« on: November 17, 2012, 03:06:35 AM »
The rebates have been going continuously for several months, and continue to get larger.  Don't worry, they will continue until the economy gets better.  Look for some really good deals in December.

Lenses / Re: Kit for travelling around the world for 2 years!
« on: November 17, 2012, 03:04:31 AM »
I think you have the right gear.  Presumably, you have batteries and storage means or plan to back up images somehow.  Large memory cards are expensive, but laptops can fail or get stolen while memory cards can be tucked away safely where they might not be easily found by a thief.

Does anyone know why the 50x figure is often recommended? Personally I use the distance I normally use the lens at most. For example 50x for a 100 macro is 5 meters and on the odd occasion I use it at that distance f/2.8 isn't that focus critical, for true macro I usually manually focus so I set mine at about 1 meter which tends to be about the range I use most for quick handheld snaps where AF is important.

Its fine to use it at your commonly used distances.  25-50X is recommended because that provides a wide range of correction.  If you move much closer than 25X, many lenses will start to front focus, so if you always shoot close, thats fine, but longer distances may not be focused as accurately.
Also note that it is not really crucial to have a lens perfectly focused, most of the time, a small error of a few points AFMA is not noticible.
The actual curve below shows this,  there is little difference in sharpness at the peak of the curve, even if AF is off by +/- 3 points.

EOS Bodies / Re: 5D3 lens correction profiles - only jpg?
« on: November 17, 2012, 02:49:27 AM »
Does LR4 not recognise that metadata?
No, it does not recognize if the lens correction is turned on in camera.  It does not see the lens correction data that DPP adds to the CR2 file.
LR4 has its own lens correction data which can be applied automatically, or just for images you want.  It is not saved to the cr2 file.

EOS Bodies / Re: Canon 5DmIII for $2,199
« on: November 17, 2012, 02:39:48 AM »
Right now, $2799 is the lowest price I see.

Lenses / Re: How long and how much: new 100-400L
« on: November 17, 2012, 02:37:56 AM »
People keep predicting a replacement, and have been for the last 7 or more years. 
IMHO, its wishful thinking.  There is really no competition for the existing lens, Nikon has been rumored to have a improved 80-400mm coming, but their existing one is more expensive and inferior.
Why make a slightly better one for 2-3 times the price?
For the quality and price, the 100-400mmL is a bargain. 

EOS Bodies / Re: 5D3 lens correction profiles - only jpg?
« on: November 16, 2012, 10:07:52 PM »
Or in other words, does the lens correction do ANYTHING if i only shoot in raw?

In terms of the images themselves, all it does is set flags in the metadata that DPP recognizes, and it would then apply those corrections on your computer.  If you use another RAW converter, then the in-camera corrections will not do anything to the RAW image.  They will be applied to the JPG preview image that's embedded in the RAW file, though, and it's that JPG that you see during image review on the camera (and also the histogram data, although lens corrections shouldn't affect that, Picture Style, ALO, etc., do).

I tried to verify that DPP made the corrections based on flagged settings, but could not confirm that with my 5D MK III.  Corrections were turned on in camera, but DPP did not apply the corrections to the raw files.
I manually applied them, and then the size of the cr2 file more than doubled after I saved it.
The corrections were applied to jpg out of camera images without any noticible increase in file size.

Speedlites, Printers, Accessories / Re: Weird bug with 600EX RT
« on: November 16, 2012, 10:02:02 PM »
Something is bending so that contact cannot be made.  It could be something as simple as a battery contact, but it is more likely a poor circuit connection inside the flash.
Send it in for repair.

Lenses / Re: Any words on 70-200 f/2.8 L II (non IS version)?
« on: November 16, 2012, 09:49:31 PM »
a Mark II won't happen.  Grab the original before they are all gone.

I'd certainly consider a polarizing filter and ND filters for bright light shots on the beach or water scenes.

Canon General / Re: Help | Going to buy the Canon 550D/T2i
« on: November 16, 2012, 01:40:19 PM »
Very bad replys :P , I never followed the camera world

Yes, some really poor manners. 
Welcome to CR.  In spite of the 9 year old kiddie comments, there are lots of helpful people here who will try to answer your question in a respectful manner.
Whenever someone insults a member, click the report button and the post will be reviewed by a moderator and appropriate action taken.

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