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Messages - Mt Spokane Photography

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4171
EOS Bodies / Re: Why do you want a FF Mirrorless?
« on: November 22, 2012, 02:01:11 PM »
The issue with a FF mirrorless camera with a shorter flange back distance is that a new family of lenses will be needed, and they will be more expensive than the existing EF lenses.  Wide angle lenses will be inferior (You can't bend light that much without many lens elements).
The most practical is to make a pellix type lens, but Canon has tried that a couple of times and they have not sold well.  With live view on all the newer DSLR's, there is little practicle advantage to mirrorless for the masses, and Canon is a mass producer of cameras, not a specality camera company.  Thats not a judgement, just a fact.

4172
Thanks. I thought I'd never see the 5D2 refurbished that low.

You can get a used 5D II on CL for $1200 or less.
Of course, there is no warranty or return on a 4 year old CL body with 20K exposures.
 
The Refurbished Canon 5D MK II I bought had only 135 shutter actuations on it.  it had 14 day return rights and 90 day warranty, but it was perfect.

4173
Lenses / Re: Reikan FoCal EF 24-70L version comparison
« on: November 21, 2012, 03:48:49 PM »
"Terrible" IQ at 1.4 for the 35? Have you used it? Mine is sharp at 1.4 where it counts. It allows for gorgeous images at 1.4.

Yes have had one for four years now. Both the 24mm f/1.4L II and 35mm f/1.4 L image quality falls off rapidly below f/2. See TDP ISO charts link.

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=121&Camera=453&Sample=0&FLI=0&API=0&LensComp=787&CameraComp=0&FLIComp=0&APIComp=0

It doesn't mean its a bad lens, the 35mmL is a great lens. The biggest mistake I see owners of the lens make is that they think that because it can shot at f/1.4 they should be shooting at f/1.4.
I buy a f/1.4 lens because I need f/1.4.  Otherwise, I'd get f/2.8 or f/4 and save a ton of $$$.
Of course, not every image is at f/1.4, but many are at wider apertures than f/2.8.
of  the 2437 images I've kept, 1027 are wider than f/2.8.  Thats  42%, and 580 of them are at F/1.4.

4174


With Magic Lantern lv has the absolute killer features

I've seen too many posts from users who claim it killed their 5D MK III as well.  I know that it can be removed, and the camera brought back to life, but I'm afraid to use it and mess up some important opportunities.

4175
EOS Bodies / Re: Used 5D3
« on: November 21, 2012, 03:05:58 PM »
There is really no difference in the piece of tape in the higher serial numbered models for the light leak fix.  I had one of the early models, the light leak was a red herring, it does not affect anything unless you are taking photos in the dark while letting the camera meter (Bad Idea) and having the top lcd light on.
However, prices for used models are high, and there is no warranty.  Sellers may have discovered intermittent issues, have hot pixels, or other things that you cannot see during a quick inspection.
I'd rather buy a gray market model with third party insurance than a used one.

4176
EOS Bodies / Re: Next year's APS-C vs. this year's FF
« on: November 21, 2012, 02:58:29 PM »
Source: Serious lurking on this forum.

Observation: Two of next year's camera bodies will allegedly get entirely new naming systems: the high MP, and the 7D successor.

Speculation: That's because they'll introduce Canon's new sensor technology. Probably 180nm instead of 500nm (on a side note, I'd love to know more specifics about what that means).

Question: If Canon does implement this tech in a 7D.2, could that APS-C camera produce lower noise at low ISO than current FF cameras?

I ask because I'm pretty invested in EF-S lenses but also very interested in a 6D. Low ISO IQ is the #1 consideration for me. Thanks for any thoughts or info!
I doubt if we will see a APS-C camera with lower noise than a 5D MK III.  There is such a large difference, and improving noise by even 1/2 stop is a big deal.
If Canon actually is able to use a rear illuminated sensor as in their recent patent, then we might see a 1 stop gain, which would be huge.  I'm hoping to see that happen, it would likely appear in a 7D MK II first.
The 180 nm technology allows more pixels, but I doubt if it improves 18mp sensors by more than a tiny amount.
Canon is claiminng that they will have a 100% robotic assembly line.  Thats likely where development money is going.  Canon's strong point is low cost production of very good products, but not necessarily the best.  They can price lower than the competition and still make a larger profit.

4177
Lenses / Re: New EF-S Lenses Are Coming [CR2]
« on: November 21, 2012, 02:40:57 PM »
...a new “pro” APS-C camera, currently expected to be the EOS 7D Mark II.

I'm interested in this.  I wonder what 'pro' means?  I'd love a redesigned APS-C sensor with significantly lower high ISO noise, in a 1-series style body with the 1D X's AF system.  That's what 'pro' means to me...  :)

I'm still expecting (Or hoping) that that recent Canon patent for rear illumination of large sensors will appear soon.  We have not seen large sensors with rear illumination due to the technical difficulties which the patent claims to solve.

4178
Lenses / Re: Reikan FoCal EF 24-70L version comparison
« on: November 21, 2012, 02:36:13 PM »

This is why I will NOT trade my 24-70 f2.8 II for 35L+50L :P

Different horses for different courses:  f/2.8 can not replicate f/1.2 or f/1.4 effects.

Which 2.8 effect is that, the terrible IQ that you get at f/1.4 from the 35mm L or the narrow DOF?

I haven't seen any terrible f/1.4 images from my 35mmL.  One of the points made in the article and demonstrated is that lenses can vary, and so can the cameras.  If you get a bad result, get it fixed rather than assuming that everyone has the same result.
Certainly the 35mmL is not as sharp at 1.4 as a new model like the 24-70 is at f/2.8, but thats true for all f/1.4 lenses.  In extreme low light, f/2.8 is just not fast enough to capture some images, but f/1.4 makes the cut.

4179
Pricewatch Deals / Re: Buying Used Equipment on LensRentals.com
« on: November 20, 2012, 09:59:14 PM »
As to rental cars, rental companies have been recently cited over and over for not incorporating safety recalls, and they likely scrimp on maintenance.  I'd pass on a used rental car, even though most probably will last for many years.

True that, so I'll put my faith in a good compression test first.
How do you compress a transmission, or air conditioner or onboard computer/  In the old days, a compression test could pretty much tell the issues.
Nowdays, you can't even pull the plugs to test compression with removing half the stuff covering the engine.  The readouts from the computer are about all you have, and they don't tell you if a car was severely abused.  They do have memory devices that record the last XX hours of operation, but only a dealer can access them.
 

4180
Third Party Manufacturers / Re: 4K 15 FPS
« on: November 20, 2012, 07:58:19 PM »
their target is to record in 4K not timelapse it.
they offer cinema 4K as well at only 12 fps.
its a microsd card limit.
You missed his point.  15 or 12 FPS  will look choppy like a time lapse video.  If you like the old time movie look, its usable.  Even 24fps is a bit choppy.

4181
Pricewatch Deals / Re: Buying Used Equipment on LensRentals.com
« on: November 20, 2012, 07:18:17 PM »
The lenses are heavily used, but well maintained.  Each lens goes thru a sharpness test when it comes back from a rental, and its pretty well checked out.
The lenses are going to have plenty of signs of a rough life, the paint will be scratched, and other cosmetic damage.
However, you will almost certainly get a lens in better working condition with no decentered elements than what you may get buying one from Craigslist.
As to rental cars, rental companies have been recently cited over and over for not incorporating safety recalls, and they likely scrimp on maintenance.  I'd pass on a used rental car, even though most probably will last for many years.

4182
Live view is at its best for studio portraits where it is used while the camera is tethered to a computer.  I use it extensively that way.
It is also useful for manual focus lenses, since you can magnify 5 or 10X and get more accurate focus.
I'd guess that only 1 or 2% of users use it that way.

4183
Lenses / Re: Is the EF 800 f/5.6L IS Due for Replacement? [CR2]
« on: November 20, 2012, 01:22:03 PM »
1993 EF 1200mm f/5.6L USM
That lens has been out of production well over a decade, and the number of units in likely in the 10's
I've always understood that no 1200mm EF lenses made.  The only ones were reworked 1200mm FD lenses. 
Wikipedia
The EF 1200mm f/5.6L USM is a professional L-series lens, that is now discontinued.[2] The lens was first developed for the Canon FD mount, although never marketed until after Canon had transitioned to the EF mount. According to a Canon USA representative interviewed in 2009, the lens made its first public appearance at the 1984 Summer Olympics in Los Angeles; Canon had shipped five copies of the lens for media use at the Games. All of the FD 1200mm f/5.6L lenses were eventually shipped back to Canon in Japan. Later in the 1980s, these lenses were converted to the EF mount.[3] The official site of Canon competitor Nikon implies that early versions of the Canon 1200mm lens (with a built-in teleconverter, a feature not included in the final production lens) were also used by photographers covering baseball games, including the very popular high school tournaments, at Japan's Koshien Stadium.

4184
Pricewatch Deals / Re: Black Friday-> Red Thursday? (FS VIP Sale)
« on: November 20, 2012, 01:15:12 PM »
Lots of pre-black friday sales right now.
Future shop was chased out of the USA, they did so much  bait and switch that the public just ignored them.
When I lived in North Toronto, I used to go to the one in  North York on Yonge I had the same experience, they never seemed to have a low price advertised item.
I hope they are different now.

4185
EOS Bodies - For Stills / Re: TV MODE
« on: November 20, 2012, 12:13:33 PM »
Can anyone explain to me why when I set my 5D II to TV mode, set a shutter speed of say 1/800 and take a picture it adjusts the shutter speed? Shouldn't it stay where I set it? I had an epic wildlife photo today but missed it because my camera adjusted my shutter speed. I was shooting in TV mode at 1/800 ISO 200 100-400 4.5-5.6 Lens and when I took the shot it adjusted to 1/20? ??? ? I am obviously missing something. Thanks for the advice in advance!!
The image would be black at those settings.  You would not have had anything at 1/800 sec but black.
You likely needed ISO 12800.
If you look thru the viewfinder or top lcd display, you will see the aperture flashing to tell you that you can't get the image at that setting.

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