July 31, 2014, 08:32:39 PM

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Messages - Mt Spokane Photography

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1
Lenses / Re: Lensrentals Canon UWA FF lens comparison
« on: Today at 08:29:21 PM »
Nice article as usual.  The lens is more impressive than I had thought.

2
Lenses / Re: Clean rear element of the lens
« on: Today at 08:10:37 PM »
You will see dirt or scratches in focus in the image if there are some on the rear lens, unless its a general fog.   If fluid leaked inside the lens, anything could happen, but likely not.

Dirt or scratches on the front are normally not visible, but on the rear, they show up easily.

Use a flashlight to look at it, and also shine the light from the front while looking in the rear, and vice versa to see how much crud is in the lens.  There will be some, so don't panic.

3
Lenses / Re: Clean rear element of the lens
« on: Today at 04:42:54 PM »
Is there some reason that you suspect its damaged?


 I often clean a dusty rear element of used lenses I have bought with no issues, but always keep the caps on when not on a camera.

Unless you grind the dirt in, or swab on the solution so that it runs inside the lens, there should be no issues.  I always try blowing dust off first, but that often is not enough, so a dampened cleaning cloth is needed.

4
Software & Accessories / Re: CR2 files corrupted
« on: Today at 10:11:03 AM »
Some recovery software will not recover cr2 files properly.  I had to try several, and finally bought Image Rescue 4.  Since then,  I've heard that there is some good software that's free, but there may still be some that doesn't work for cr2 files.

Often, the issue with corrupted files is that the card reader has issues, so trying a different card reader is another possible solution.

As long as you have not overwritten the files, they are still there and safe.

You might want to let your image software copy the files from the card, good editing software will copy all, both jpeg and raw.

5
and the time lapse.... a drive from Goose bay down to the Labrador coast at the strait of Bell Isle...

https://vimeo.com/102139645

it was about 48Mbytes of GoPro images...

That makes me remember the good old days when we'd force our guests to watch our super 8 films, and they stayed only out of politeness.

6
Any decent photo scanner will do for prints.  As far as photographing them, reflections can be a issue unless you have some very good lighting, there will be differences in brightness across the print, depending on how large it is.  A scanner is very fast and easy.

7
EOS Bodies / Re: Canon to Make a Big Splash at Photokina? [CR2]
« on: July 30, 2014, 10:43:53 AM »
If they were talking about a camera,  why would they state "Get your camera ready"? My guess -a new online photo sharing service  ;)

They are hinting at a new big lens.  It might be a new 100-400L.

My existing one is not up for sale - Yet ;)

8
Software & Accessories / Re: Benbo Tripod?
« on: July 29, 2014, 11:25:04 PM »

9
Software & Accessories / Re: Reikan Focal Target Setup - Help Please
« on: July 29, 2014, 07:50:25 PM »
I've found that its best to use live view to center the focus and not the viewfinder.  The viewfinder is fine as a starting point, but for long focal lengths, its sometimes difficult. 

One trick is to increase the size of the target for long focal lengths.  Just be sure to enter the target dimension in the setup.

10
Technical Support / Re: Flaws on the rear element
« on: July 29, 2014, 07:44:24 PM »
Thanks for the posts Graham.
However, I am wondering what changes in the images should I look for, in case of miniscule flaws (or, as they say, cleaning marks). I am sure they won't be as dramatic as so much dust or a sticky!
Mt Spokane, you say it is easy to test out- my question is how do I test it? What should I look for? Thanks in advance!


Imperfections on the rear lens element show up in images because they cast in focus shadows on the sensor.  It could just be that the lens needs cleaning, or something more serious.

In any event, you will take a hit when you go to resell it, so get the issue resolved.

Here is a link to one tester of a lens with particles on the rear element.

http://photographylife.com/the-effect-of-dust-on-lens-bokeh

11
Canon General / Re: What do you Cheap Out On?
« on: July 29, 2014, 07:29:32 PM »
Our house is about 2500sq ft. Last May, we replaced our 20yrs old noisy AC unit with Trane XV20i. We removed all old ducting and replaced with new ones, much more efficient. From 80F down to 74F in less than 10mins. I highly recommend Trane XV20i if you looking for new AC unit.

I had a Trane Furnace, it died well before the warranty expired and they told me that they no longer made that model and had no parts for it, so the warranty did not apply.  After some very heated comments to the Trane customer service, they finally coughed up a new furnace.

12
Canon General / Re: What do you Cheap Out On?
« on: July 29, 2014, 01:02:06 AM »
I once bought a Chinese radio controlled wireless shutter release for my 5D MK II.  That was junk.   Then, I bought two Benro heavy duty CF tripods at $400 ea and two Benro heads.  The heads were junk, the tripods were fine, but last winter I went to get some replacement parts from the US distributor, and found that they could not supply them or get them, and that parts had never been available.  I also had four Sigma EOS compatible lenses, but, when I went to use them on my Canon DSLR, they would not work.  It turns out that Sigma had reverse engineered the lenses poorly.  Only one of the four could be rechipped, and they charged me $100.

It generally costs less in the long run to get good quality.  That does not always mean buying the most expensive, but it does mean paying attention.  I no longer buy Sigma or Benro, I've been burned to too many Hundreds of dollars. 

I did buy some 3rd party batteries one time for my original Canon Digital Rebel.  They lasted two or three months. 

13
Technical Support / Re: Flaws on the rear element
« on: July 28, 2014, 09:27:42 PM »
It might be tiny air bubbles.  They used to be common and considered a sign that it was top quality glass.  However, on the rear element could be a issue.

Its easy to test out, but if you feel uneasy, ask the seller to take it back.

14
EOS Bodies - For Stills / Re: Fun Arias rant on APS-C vs. FF
« on: July 28, 2014, 09:24:59 PM »
Its a Fujifilm commercial.

15
EOS Bodies / Re: One other hoped-for feature on the 7D2
« on: July 28, 2014, 09:20:48 PM »
This is kinda schisophrenic, to put some of settings in manual mode to auto mode, and then still with manual mode wanting other settings to compensate for this mixture. You really donĀ“t know what you want, right?
You can do what you want in AV or TV modes. With manual, you are in charge, you have nothing to compensate, and if they allowed some glitch or stupid customers request of auto ISO at manual mode, than it will be everything messed up.

Couldn't disagree more.  M mode with Auto ISO is like aperture and shutter priority.  I select the DoF I need and the necessary shutter speed to stop (or show) motion, and I get a metered exposure in rapidly changing light.  Being able to apply EC to bias the metering is plus.

+1

Canon is late to the show on this one, as usual.  Its a hugely nice feature that you cannot get with TV or AV

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