November 28, 2014, 09:58:38 AM

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Messages - Mt Spokane Photography

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All, a big thank you. You helped me decide. I was skewed towards the 7D II and so I bought it. I think the length and the weight of the Sigma lens decided it for me. So today or tomorrow I set it up and hopefully post a picture or two. :)

Good luck with it.  You may be able to wait and see how all the new telephoto lenses compare.

This makes zero sense to me.

You have this forecast (made by Sony), no matter if it is DSLR/ILC, its still a shrinking market for all still cameras. So why is Sony investing in still cameras by creating all these new sensors?

Is this a clue that they are going to 'abort ship' in 2017?

The forecast is for sales of Sony cameras.
Selling sensors is not the same as selling cameras.  The market for sensors continues to rise.  They may be used in different devices than cheap point and shoot cameras, but they are selling more and more.  Sensors are gaining entrance into all sorts of products besides cameras, its a huge growth industry.  As computing power increases, we will have sensors everywhere.

No, I ordered through Ted's camera stores .... it was shipped from the Melbourne store, I'm in South Coast NSW.
It's just gone 8.30 am here now and their online phone line will be open .. time to explain to someone there now.

The topic was about Canon direct in the USA, I didn't think you were discussing the same thing.

It should be noted that the forecast is for Sony sales, not for the market as a whole.  Sony is #3 in camera sales, and likely to stay there for a few more years.
Sony is convinced that mirrorless cameras are their niche, so its a self fulfilling prophecy that they are selling more of them, since they are not introducing new DSLR's.  They have a 9% market share for DSLR's, but a 40% market share for mirrorless.  They are well aware that the high share may not last if Nikon and Canon become convinced that they want to compete.  I believe that Canon will, but Nikon is not making any obvious moves to put out a large sensor mirrorless.  It takes a couple of years minimum to bring a entirely new camera to market, so we may see soon.

Well ... I'd like to announce I just received the first lens today in the post from my pre-order of the 100-400II.
Knock on the door ... delivery .. not expecting anything today ... open the box ... I see 100-400 .. thinking wow, first one in the world to be delivered ... looking for the II on the end of the lens name .... nup .. idiots sent me the version I ....
I'm now listed as being "order done" ..... invoice says 100-400 II and the price is $2,599  ... Idiots.

Back to "still waiting" .. with the added hassle now to re-package and send back ... as well talk to some guy on the phone to explain it all.

Just to clarify, was that Canon Australia?   Did they offer $100 off as well?

EOS Bodies / Re: Patent: Contact Cleaning Body Cap
« on: November 26, 2014, 11:13:21 PM »
One of the problems I dealt with almost daily before I retired was cleaning electrical contacts.  There are all kinds of inventions claimed to clean electrical contacts, some actually causing worse problems.  The real solution, is a proper plating on the contacts, its actually a plating system with layers of materials.  I had a Seiko X-Ray fluorescence machine in my lab to check samples destined for critical space and military applications.
Besides poor plating, there is the near impossible situation of plating a sharp edge or pointy pin.  You just can't do it.  Pins have to have a nice smooth radius on the end, corners the same.
Most dirty pins are actually due to a thin film of corrosion that is invisible.  It comes from cracks or porous plating, or from the sharp points and edges.
The best designs use a wiping action as the parts come together.  This wipes that microscopic film away. 
The ends of the pins in a DSLR are nicely rounded, but even so, its a weak point.  You definitely do not want to be rubbing on them more than is absolutely necessary.  The thinner that gold gets, the worse the problem is.
IMHO, the self cleaning cap is one of those designs that will do more harm than good.  The lens already wipes the contacts when its rotated into place. 
We had one prolific inventor who wanted to patent a self soldering pin.  A electric heater would be built into the assembly which would melt the solder and create a solid soldered connection after you let it cool.  It would be heated again to disconnect it.  I refused to recommend it for a patent for numerous reasons, but this only caused him to write letters to managers saying how we were not receptive to his good ideas.  I didn't think soldering on a fueled space craft, rocket, or aircraft was all that smart, it was prohibited, in fact.

Photography Technique / Re: Share 3x your own advice to yourself!
« on: November 26, 2014, 10:54:12 PM »
My first serious 35mm film camera was a Argus C3 back in the 1960's.  I was a college student, and it was the best I could afford.   I also had a conventional flash and a light meter.  I mostly shot Kodachrome II.
 I bought a Canon FT QL when I graduated and could afford it.  I built a darkroom in my garage (I had done printing in High School).  That meant I was using Ektachrome, which I did not like,  My slides had a greenish tint.  Besides B&W, I even did a few color prints, which was far to difficult.  I was working 60 hour weeks, and had little spare time to spend hours and hours in my darkroom.
Later, I bought a Polaroid as a 2nd camera.  It was easy to use, and we have many albums documenting our kids as they grew up. The only issue is that they are faded badly, and many can't even be recognizable.  I need to find time to scan what's left.
If I could do it again.
1.  No Polaroid  The prints are faded, and for all practical purposes gone.
2.  No polaroid - see above
3.  Never use color print film, those Kodachrome II slides are still pristine, while my color negatives are not.  Some of my B&W negatives almost 80 years old are perfect.
I love digital.  Each copy is a original.  I've scanned hundreds of old slides, prints, and negatives and sent out dozens of DVD's to cousins, siblings, and children.  That means that there will likely be someone who cares enough to keep copying them to new media long after I'm gone.

I'd not worry about compatibility, Sigma has the dock feature that allows you to upgrade lens firmware if any issues pop up.  It also lets you fine tune the AF accuracy with one body.
I'd get the lens over the 7D MK II.  Its going be be fine on your 5D MK III.

Sony was the other target. But it would be interesting to know if the 24-105 IS STM is the other nail in the coffin of this lens which would mean that buyers of 3rd party lenses for Canon mount significantly outweigh projections for Nikon/SOny.

Actually, I thought Nikon was the main reason for this lens to exist.  The Nikon 24-120 is expensive and a middle of the road performer.  They should be mopping up the floor with sales to Nikon users.

EOS Bodies - For Stills / Re: 7DMKII Focus keeper rate ideas?
« on: November 26, 2014, 04:12:08 PM »
AF systems in cameras are variable, and some lenses are more variable than others.  The 50mm f/1.8 has a lot of variability, for example.

EOS Bodies - For Stills / Re: 7D MK II with EF 180 mm F/ 3.5 L MACRO
« on: November 26, 2014, 04:04:56 PM »
Here is a hand held shot with my original 7D and 100L .  1/125 sec, ISO 200.  I never use the High FPS, just take 1 shot at a time. 

Lenses / Re: Landscape Lens for Crop To Make Me Go Wow!
« on: November 26, 2014, 01:56:47 PM »
I think TDP crops between asp and FF are misleading, and probably shouldn't be compared against each other, in the same way as imatest results shouldn't be compared across formats.

I agree, comparing FF and APS-C cameras against each other is not going to mean anything, except that the FF image is usually sharper at 100%.  Comparing two different lenses on the same body will give a idea as to how they compare on that body.
Its a trap that many fall into.
DXO gives numerical ratings for a given lens, and the number varies all over the place depending on the body.  Its not a rating of the lens in any meaningful way, just of a lens-body combination.

If its true, it could mean a production issue, or a shift of internal resources.  With Japan spiraling into a depression, the cost of raw materials and employees demands for higher wages may force low profit products out of production.
Its also very possible that production facilities are needed for the new 150-600mm zooms that are expected to sell well.  Sigma is not likely going to be investing large sums of money into new facilities in a falling market.

I had heard that, and checked some online comparisons, and it was nowhere near a FF camera, at least at higher ISO levels.
I saw the NX1 at ISO 3200 being about the same as the 5D MK III at ISO 12800, not quite, but close when I view the dark red cloth detail.
I think that different people, me included, see somewhat what they want to see.
Three crops below.
5D3@ISO 12800
NX3@ISO 3200
NX3@ISO 6400

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