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Messages - bchernicoff

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Lenses / Re: What lenses do you own?
« on: September 12, 2012, 11:19:59 AM »
Canon: 50mm 1.4, 70-200 2.8L IS II, 24-105, 400mm 2.8L II
Sigma: 12-24, 85mm 1.4
Samyang: 14mm 2.8

Lenses / Re: Roger at LensRentals impression of 24-70 II
« on: September 11, 2012, 03:39:25 PM »
The Tamron breaking down so early in its life does not bode well for being able to count on it when needed.  using three dabs of glue to hold a large diameter element in place is really cutting corners.  I'd expect them to be failing in droves before they are a year old, and as the adhesive dries out a little more.

I would hope they make a production adjustment to address this.

Lenses / Re: Roger at LensRentals impression of 24-70 II
« on: September 11, 2012, 03:26:14 PM »
If anyone has any questions, feel free to ask them here or in the comments to the blog post. We are pretty responsive!


Any chance we could see comparisons at 35 and 50mm too?

Lenses / Re: Roger at LensRentals impression of 24-70 II
« on: September 11, 2012, 03:20:17 PM »
To me the numbers make a strong argument for the Tamron. People have sworn by the Canon 24-70 Mk I, yet the Tamron beats it in resolution and adds IS.

I don't own a 24-70, but am looking for a faster alternative to my 24-105. Hmm... My concerns would be AF speed and build quality.

Speedlites, Printers, Accessories / Re: Lens case for 70-200 f/2.8 II
« on: September 10, 2012, 03:07:47 PM »
The factory case doesn't offer much padding. I guess it depends what you plan to use the case for. Protecting the lens during travel? Wearing it on your hip for quick lens changes while shooing events? If so, it's probably worth it to but the something sturdier like you have suggested.

The situation isn't straightforward. After reporting perfect success with this extender I suddenly had trouble Memorial Day Weekend. Mounted on my 70-200 II it was working and then it wasn't. It would lock up the body when using any of my lenses. Then Canon updated firmware for the 5D III to address an issue with Canon extenders. This resolved my issue with this extender for every lens I have except my 400mm 2.8 L II (non-IS).

I really have no idea why it suddenly stopped working, but the firmware mostly resolved it.

Lenses / Re: Lens choices for airshow
« on: August 17, 2012, 02:11:03 PM »
Adding to IIIHobbs suggestion, I would also suggest you consider using auto-Iso and manual or shutter priority. The camera still meters in manual when auto-iso is set. This lets you control the motion blur and depth of field while still enjoying auto metering.

Lenses / Re: Lens choices for airshow
« on: August 17, 2012, 09:44:18 AM »
100-400 is the airshow king. I know you don't own it, but that and the 24-105 would cover it.

Animal Kingdom / Re: Show your Bird Portraits
« on: August 12, 2012, 06:59:06 PM »

Lenses / Re: lens recommendations for a vacation
« on: August 09, 2012, 09:04:37 AM »
I'm in the same situation. I leave in a couple of weeks for Europe and am bringing my 50, 24-105, and 70-200 IS II. I'm considering leaving the 70-200 home because it's heavy and draws a lot of attention. People have discussed getting harassed in London for taking SLR pictures. Anyone have good or bad experiences they'd like to share? How about Copenhagen?

Lenses / Re: Lenses that inspire you?
« on: August 07, 2012, 01:47:46 PM »
But on the 5DIII with its frankly astounding AF has brought this great lens back into the fold. Any shot where I have not nailed focus is user-error rather than any issue with the lens. I'm inspired! It's fun. On the strength of this I may well take a fresh look at the Sigma 85mm f/1.4.

I sold my Sigma 50mm 1.4 after having too much AF frustration on 5D Mk II. I'm glad to hear that it performs much better on the MK III. I may have to give it another look.

I LOVE my Sigma 85mm 1.4. The design is similar to their 50 1.4 which means that the focusing barrel is enclosed when a filter is attached. I previously owned the Canon 1.2 L II and found the gap between the focusing barrel and the main lens alarming. The AF on the 85 is much better than the Canon and better than the Sigma 50 by far. You will not regret buying this lens. So sharp, and so much color and contrast. I bought mine from Abe's of Maine.

Street & City / Re: Stockholm, Sweden
« on: July 28, 2012, 10:00:54 PM »
I'm visiting Malmö next month (first time in Sweden) and am very excited to capture something new to me.

Sports / Re: 2012 London Olympics
« on: July 27, 2012, 02:08:58 PM »
Wow, those seats recede into infinity.

So far I've used manual, but then I haven't done what that changes from day to night.

As far as interval goes...a good place to start is when you know how long your final video is going to be. For instance if your goal is to make a 2 minute timelapse that plays at 24fps, you know that you will need to capture 2880 images (120s X 24fps). Next, if you know how much time you plan to capture, you can divide. So, if you want to capture 3 hours which is 10800 seconds, you divide 10800 by 2880 and get 3.75s for an interval. Round up or down as you like.

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