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Messages - Mt Spokane Photography

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4921
Lenses / Re: Macro extension tubes
« on: October 03, 2012, 01:27:27 PM »
As noted, you can get really cheap tubes that perform well, but, there is no way to know what you are getting from cheap no name brands.  Kenko and Canon are both excellent, and I've owned both, but sold them after getting a cheap set aloong with a used camera that worked for me,  They are branded Rokunar, are plastic, have a plastic camera mount, electrical contacts, and after 25 years, are still fine.  I would not use them with a heavy lens, but with ordinary lenses like a 70-200mm f/4 or similar weight there is no issue.  I've also used them with my 70-200mm f/2.8 and 100-400L, but only when the lens is supported by its tripod mount.
With this type of cheapie tubes, the joint between the tubes opens up under a heavy load, which then distorts the image.  Mine have never taken any sort of a permanent set, and I knew what to look for, so I did not have any issues in use.
When using reversing rings, you need to be able to set the aperture of tthe lens in use.  Some lenses can have a lever taped, or will stop down with just the aperture ring.  Others, like the Canon FD are difficult to stop down unless mounted to a Canon body, or a adapter that will stop them down.

4922
BigValue is not a authorized Canon dealer, this has been discussed in many previous topics, and others are even now posted.  Someone even called Canon and was told that there was no Warranty on items purchased from them.
BTW, they say that a US warranty card is included, but do not say that there is a US Warranty.  They are being very sly about that, since Canon uses the sales receipt to determine Warranty, the card does nothing.
 

4923
Software & Accessories / Re: Lightroom 4.2 update
« on: October 03, 2012, 12:38:22 PM »
So basically nothing to fix the VERYVERY uselessly slow performance.....
I don't have a performance problem.  Sounds like a configuration issue if you have a PC.

4924
EOS Bodies / Re: Canon 3D has a competition?
« on: October 03, 2012, 12:21:36 PM »
And, this is posted in EOS Bodies?
Moderator - Does anyone know that Nikon does not produce EOS Bodies??

4925
I doubt if the P&S would be good for landscapes, at least not for wide vistas, and for sports, it would not track or have enough fps.
Just what would you use it for?

4926
Software & Accessories / Re: problems after installing magic lantern
« on: October 03, 2012, 12:12:13 PM »
It should be pretty easy to test, just remove it and see if the problem still exists.
BTW, some of the third party grips have been noted to cause similar issues.

4927
EOS Bodies - For Stills / Re: Discounted 5D3 with 24-105L
« on: October 03, 2012, 12:04:41 PM »
No, Big value, INC is not a authorized dealer.  this comes up about every two weeks.

4928
Lenses / Re: DPReview and DxOMark to partner for lens testing
« on: October 02, 2012, 10:10:01 PM »
Occasionally, someone who is banned gets another IP, user name, and e-mail and starts posting again, however, a range of IP's can be banned as well.
I do not agree that a web site should just ignore abusers, spammers, etc because they occasionally come back with a new account.

Agreed.  Glad someone who knows about IP address filtering entered the room.
There are issues with IP filtering, I just do not mention them, enough trolls know how to work the system already without giving a tutorial.

4929
Lenses / Re: DPReview and DxOMark to partner for lens testing
« on: October 02, 2012, 08:04:50 PM »
Quote from: Mt Spokane Photography link=topic=9889.msg178547#msg178547

IMHO, they do not ban enough users.  Some still post there that are banned here.
 

how long are you on the internet?   ;D
if someone is banned from a website he has a new account in 2 minutes.

it´s useless.

they should learn to live with criticism.
I started using the Internet in about 1985.  Long before there was a world wide web. , I There wasn't much but news groups and Gopher then, and we used Unix Commands on our Vax.
 When the world wide web became available in 1992, I was a early adopter.
Occasionally, someone who is banned gets another IP, user name, and e-mail and starts posting again, however, a range of IP's can be banned as well.
I do not agree that a web site should just ignore abusers, spammers, etc because they occasionally come back with a new account.

4930
Speedlites, Printers, Accessories / Re: KR version of fill flash lol
« on: October 02, 2012, 07:50:40 PM »
YUK :)

4931
I think I read this somewhere one time that some people set their cameras to 0 for sharpness to make it easier to tell if the shot is actually in focus or not on the LCD. Similar to how you get a focussing screen without the tiny micro lenses which make it look sharper than it really is. Is there any weight to this at all? Of course in post you can set it to whatever you actually want.
Never heard that one.  I use 5X or 10X and live view and am pretty confident in the focus adjustment.  However, except for special conditions, I have never been able to focus more accurately than a properly adjusted AF system.
I think that my vision might not be as good as some.

4932
Lenses / Re: DPReview and DxOMark to partner for lens testing
« on: October 02, 2012, 07:43:23 PM »
dpreview is a POS.


and they delete comments like mad.
say something negative at dpreview about dpreview and you have a good chance it will be removed and you be banned (for "trolling").

IMHO, they do not ban enough users.  Some still post there that are banned here.
 
I am concerned about the quality of the lens testing, and, in particular, how it is presented.  The testing itself, is likely to be done carefully, but the most careful testing is not worth much if a lens is not properly adjusted, or is just exceptionaslly good (or bad).
This is a chance for them to hire a couple of good lens technicians who can adjust the lenses to remove and obvious QA issues so that we at least get values from a properly adjusted lens.  That does not answer the concern over sample variation though.

4933
Lenses / Re: Canon EF 28-135 / EF-S 17-85 / EF-S 15-85
« on: October 02, 2012, 07:37:14 PM »
When Canon has the refurbished 15-85 on their 20% off sale like they did last weekend, its a bargain.  Buyers of 5D Mark II bodies are getting 24-105mm L lenses for $700.  That is also a steal.
I've had several 28-135 lenses that were kit lenses bought with new 40D's.  I never really liked them.  They are totally the wrong focal length to use as a standard zoom for a crop camera.
My 15-85 is much better than the 28-135.  As far as value to the buyer, that can be argued according to what you use it for.  The 17-55mm EF-S is the best, but you are not considering it.

4934
Thats where a fast frame rate as well as focus stacking might be handy.  Focus stacking software can usually handle slight frame registration issues. 
I keep intending to try the feature in Magic Lantern.  I have used third party software with Breeze DSLR Capture to take images for focus stacking and it works well.

4935
Lenses / Re: 85mm f1.8 or 100mm f2.0 ???
« on: October 02, 2012, 11:44:50 AM »
What you guys think about the  85mm f1.8 and 100mm f2.0 ???

THey are as close a pair of cousins as lenses get.  Do you want a little wider or a little narrower AoV?  If for APS-C, I'd get the 85/1.8.
Same lens formula and design, just different focal lengths.  Get the focal length you need.   Never select a lens because you think its the best, select one that you will use.

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