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Messages - Mt Spokane Photography

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Software & Accessories / Re: 7D Maximum burst after FW v 2.0.0
« on: October 12, 2012, 08:50:22 PM »
Not too many photographers use that setting.  High ISO noise reduction in camera results in losing a lot of detail.  Many prefer using Raw to jpeg.
Of course, it should work, but for me, I'll never notice it.

Software & Accessories / Re: OS Questions
« on: October 12, 2012, 08:23:48 PM »
I much prefer windows 7 64 bit over XP.  However, if some of your hardware does not have drivers for Windows 7, then that will be a issue.  Fortunately, most of the mainstream hardware does support it, but older scanners, and older cameras that use firewire do not have 64 bit drivers.
I did not have any issues with my hardware. 
If you want to use a SSD, for example, get Windows 7.

EOS Bodies / Re: Canon 60D?
« on: October 12, 2012, 08:17:56 PM »
I'd go for a refurb 7D, or a T4i.  The T4i has sharper images, and the AF while in video is usable as long as you are not taking videos of objects moving toward or away at high speed.
The touch screen is also a huge plus, at least for me.
The lack of AFMA in the 60D  is disappointing (not in T4i either, but you can use live focus and its fairly fast.)

Software & Accessories / Re: 7D Reborn at Magic Lantern
« on: October 12, 2012, 08:11:20 PM »
All the features in ML are certainly interesting, but I have never talen the time to play with them. 
Maybe this winter when I'm stuck in the house with 6 ft of snow outdoors ;) (I guess that wouldn't work either, I'd be shoveling snow off our roofs)

It sounds like it will be a very good lens.  Some are reporting issues at the long end, so I'd check that out.
I'm waiting for the eventual price drop to decide if I'll get one.  By then,there will be a lot of feedback from users.

Lenses / Re: B&H Issues!!!
« on: October 12, 2012, 07:53:23 PM »
Well, tracking has finally updated!  Lens is still in New York!  The only conclusion I can come up with is that B&H didn't get the package out yesterday and lied to me today about it being sent out!  I asked them if it was sent yesterday, twice, and both times they said it was!  Very disappointing...
What pickup time does it say on the tracking page?  B&H can put it out for UPS, but, until the UPS truck gets back to the terminal, unloads, and scans packages, the time might not be set.  If the UPS truck breaks down or gets delayed, that can happen.
I ship by UPS and occasionally this happens. 
Ask for a refund of shipping after the item arrives.

EOS Bodies - For Stills / Re: 5D III, or 6D+7D combo - your thoughts?
« on: October 12, 2012, 07:47:45 PM »
The 7D is worthless unless you are shooting in good light - Once you go full frame all this crap about "greater reach" is nonsense, thats like digital zoom. The 7D is sadly short speced in the most important part of the camera - its sensor. How canon could put a rebel sensor in a camera and sell it for twice the price beats me.
The 7D came first, three years ago.  The rebels use the 7D sensor.  For a APS-C sensor, there are no big breakthrus in technology. 
I have a 7D and FF.  There is little doubt that If I move my 100-400mmL from my 5D MK III to my 7D, I get greater reach without loss of resolution from cropping.

This is invaluable - thanks Mt. Spokane (hope your hands are doing better)

I'm doing fine.  I'm having both hands done for carpal tunnel.  I have been unable to hold my heavy photo equipment, and the pain has been growing worse.
It will take a few months before the damaged nerves completely heal, but only about three weeks before I can reasonably hold 10 lbs in one hand.
There are a lot of nerves in your hand, and they all pass thru that tunnel.  I don't know how I came to get the issue in both hands, probably typing for hours on CR ;)

currently using Sandisk Ultra (probably their slowest card now  :-\ ) on my 5D1.

i find this combo to be very slow for writing speed (don't really care for reading speed).

and seeing these Extreme (not Extreme Pro) CF cards goes for $35 for 8GB at B&H, wondering if running one of these faster CF would benefit me at all? or is it limited by my buffer? which seems to be small?

I shoot Jpeg most of the time now becoz of this, shooting Raw is really lagging.

i assume the 5d2 and 5d3 has larger buffer, wondering what user with older Canon body like mine are using and want to hear their experience.

The fast speeds on modern cards are due to UDMA.  Your 5DC does not have UDMA, so you will gain little speed and might even lose some.
Don't waste your money.

EOS Bodies - For Stills / Re: 5d III CF and SD card
« on: October 12, 2012, 07:19:48 PM »

As CF cards are quite expencive would it be a better idea just to buy one 8GB 600x CF card and one 32GB SD and than just copy raw files from CF to SD from time to time?

Watch out, memory cards are very confusing, and so are the speed specifications.  Many SD cards advertise a speed that only works with UHS-1 readers and writers.
This means that you are paying for speed that you will not be able to use.  The cards fall back to a slow speed in a 5D Mark III.
On the other hand, CF cards will operate at full speed in the 5D MK III.  Even a cheap CF card will be faster than a fast SD card.
You paid $$$ for your camera, get a decent CF card for it.  16 or 32GB 60mb/sec cards are available for a good price and are faster than the fastest SD cards that will work in the 5D MK III.

So i was looking up diffraction limits and i noticed that on my crop body, 60D the diffraction limit is f/6.9.

What does this mean in practical terms?  If a lens i have is sharpest between f/8-f/11 should i still keep the aperture greater than f/6.9 because of this limit?

Thanks guys
Diffraction is a property of lenses, not sensors as your title suggests.  Therefore, a 60D does not have a diffraction limit. 
Resolution of a lens depends on the lens design, and will be highest at different apertures for different lenses.  However, having a high resolution is only one part of a high IQ.  As you stop down, most lenses have reduced distortion, and reduced CA's.
Where a sensor comes in, is that sensors with more resolution can see diffraction better, but it is caused by the lens.
As you can see in this chart with a 15mp Canon 50D and 40mm f/2.8 lens,  the resolution does not vary greatly out to f/8.  The Chart below it shows basically the same pattern for the 5D MK II

40mm on 50D

40mm on 5D Mark II

Now, here is the Canon EF 100mm f/2.8 USM Macro lens.  It shows the effects of diffraction really taking hold at f/16 and f/22.
100mm on 50D


I don't see any significant drop in price (below $3000) for a long time.  Canon will probably do a rebate around the holidays or early 2013 which I wouldn't expect it to be more than $150.

The Adorama and now the Beach Camera ebay sales puzzle me.  I still do not understand how and why they were able to do that.  I've read what others have posted but I remain skeptical.  I would not count on a 3rd ebay sale but who knows.

If I was aching to pull the trigger, I'd try and wait until Thanksgiving/Black Friday.   If no sales or rebates then, just order it and enjoy.
There has been a below $3000 sale each month for 4 months now, no reason not to expect another one.  I think Canon is reducing excess inventory each month to avoid getting caught like they did last Christmas.

Firmware does not change the sensor. Raw images have little manipulation in camera, its all in PP.  The jpeg images might be better, but I do not use jpeg.

EOS Bodies - For Stills / Re: Unreliable AF on 7D with FW 2.0.3?
« on: October 12, 2012, 11:57:23 AM »
Did you redo the AFMA?  Resetting everything like major new firmware might require it.  The fact that your lenses focused accurately on a different camera body does not mean that they do not need AFMA on the 7D.

Lenses / Re: Kenko TC and AF at F8
« on: October 11, 2012, 09:10:39 PM »
So with the 2x Kenko TC attached to the 1DX is AF slow and useless or sluggish or just a peppy as it should be?

anyone having a go with this right now??
Avoid the Kenko 2X, it is weak.  The 1.4X is good though. 

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