November 27, 2014, 04:40:59 AM

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I have the Sigma 150-600mm sport.  It's pretty good for the price but doesn't compare to the big whites.  And yes, it is difficult to hand hold at 600mm.  It's not so much the overall weight but extended to 600mm most of the weight is at the end due to the large front element.  It 150-250mm it's pretty easy to hand hold but most likely the majority of shots will be taken at the longer end.

I just rented a 7D MII, will be here next Tuesday. has a 25% off promotion right now using the code BLACKFRIDAY.
The answer may be on imaging resource today

This is an older interview posted today taking about limitation in resources at sigma
David Gardner
EOS Bodies / Re: 7D2 & 600mm f4 ii for BIF?
« Last post by GraFax on Today at 12:03:08 AM »
I know that some people had success with the original 7d & the 600mm f4.  I was out playing in Elkhorn Slough a few months back with a 5DIII and the 600mm II and the 5D struggled to focus on birds in flight.  I'm not a pro so maybe I'm doing it wrong but I'm wondering if the 7D2 is going to be better for BIF.

I believe that the AF will be better but I've heard that part of the problem is power, it takes a lot of power to focus those big lenses.  If you put a grip on there does that provide more power for focussing or is it only providing more shots before you have to switch batteries?

If money wasn't a big issue would you rather have the 1Dx or the 7D2 for BIF?

I shoot BIF's with both the 5D3 and the 7D2 and I can tell you that the 7D2 focus locks and tracks much better. Not for any one reason that you can point to in the specs but for a variety of reasons that each contribute to a much better system. I don't know anybody who has worked with both that doesn't think do. The dual digic 6's must provide a lot more processing power becaues it just seems to respond much quicker than the 5D3. The AF really is in a different league.

However, if I had a 600 f4 and could budget for a 1Dx as well than sure, why not. Ultimate image quality will certainly be better if you can fill the frame of the IDx and comparable for moderate crops. The 7D2 has a much smaller sensor and you don't have to look too hard to see the difference between it and a full frame. To get high quality BIF shots you really need to fill the frame with the 7D2 and that's not an easy thing to do. Especially at 900 mm. Hope that helps.

P.S.  If you want to work on your BIF technique I'd highly recommend picking up a 400 5.6L. You can get one for around $1000 and it is the ultimate BIF training lens IMO. Perfect your technique on that and then move up to the 600. I'm not a hunter but I don't imagine you'd start out with an elephant gun.

edit..prefocus the 600 by hand as much as possible with the 5D3. Its the large changes in focal distance where you will see the most difference relative to the 1series bodies. Once you have focus lock and you are just tracking I think you will be fine. With a BIF you want to acquire and hold focus a few seconds before you trigger the shutter.
Animal Kingdom / Re: Show your Bird Portraits
« Last post by Krob78 on Today at 12:02:20 AM »
5D MkIII - Non Breeding Yellow Rumped Warbler
EF 100-400mm

These 3 deals on ebay are good until 11:59PM ET on November 27, 2014 or until stock has been depleted, whichever comes first.

This is probably the least expensive I have seen the 5D Mark III body and the T5i kits brand new with large stock levels.


EOS Bodies / Re: 7D2 & 600mm f4 ii for BIF?
« Last post by NancyP on November 26, 2014, 11:55:38 PM »
I would imagine that the 1DX provides the fastest AF for  heavy supertelephoto movable elements.
1DX battery LP-E4N: 11.1 V 2450 mAh
5D3 (5D2, 6D, 60D, 7D, 70D etc) battery LP-E6: 7.2 V 1800 mAh
7D2 battery LP-E6N: they don't specify, but the voltage and milli-ampere hours have to be very close if not identical because the battery is compatible with all LP-E6-using cameras.
So, the 1DX has a much beefier battery that should be able to move mass faster.

However, if you are going to use a smaller lens with the 7D2, such as my beloved EF 400 f/5.6L, the LP-E6whatever can quickly shove around that relatively tiny moving element.
Landscape / Re: Seashore, Beaches and Harbours
« Last post by TomF on November 26, 2014, 11:50:49 PM »
Lion Rock:

Envy you returning to Hong Kong, one of my favorite places. I was a 747 Captain for 15 years and flew all over the world, but HKG was always a favorite to explore.  I am retired from that now but involved in other things, if not so far afield. My gal's brother has a place at Neskowin and my son went to school in Eugene.  I always laughed in HKG when the temp would hit the mid 60's and everyone was bundled up in down coats!  I have been there for some of the big fireworks displays and also the famous laser  light shows.

Cheers:   Tom
Photography Technique / Re: Share 3x your own advice to yourself!
« Last post by Codzilla on November 26, 2014, 11:44:19 PM »
I'm still on the steep part of the learning curve. I've been "taking pictures" forever but only got interested in improving my photography skills (and gear) in the last couple of years.

So here it is, hobbyist advice to a newbie hobbyist:

1. Shoot RAW, or at least RAW and JPEG. Archive the RAW files in case you ever "evolve" and want to go back and adjust those old photos. I've got hundreds of shots that could be way better but those priceless bits are now lost forever.
2. Invest in one (and then probably two!) L-series, or equivalent, lenses. The jump in IQ will put some real fire in your photo-belly. Lenses have longevity, if you're looking for another reason to justify the expense.
3. Don't tell your wife how much your hobby really costs.  ;)
Photography Technique / DIY: Monitor Hood
« Last post by Dylan777 on November 26, 2014, 11:41:30 PM »
I've been looking around for a decent monitor hood for my 27" monitor, nothing really catching my eyes.

I decided to make one for myself. I spent around $26 at Office Depot for a set of three, 30"X40", foam poster. With little tape, tape measure, pen and a box cutter, I came up with this.... ;D

When compared it to Mr. surapon's DIY projects, my display hood is no where near creative as his. However, I now can PP my photos without worry much about the light changing in my office - day/night the light will always stay the same. For $26, my DIY monitor hood covers both of my laptop and 27" monitor. Best of all, it can be removed from the desk at anytime.

Lenses / Re: Review: Canon EOS 7D Mark II by Fro
« Last post by Northstar on November 26, 2014, 11:38:29 PM »
I've had the exact same experience with my 1dx...I'll have a tack sharp Image followed by an image where nothing is tack sharp, but in general the image is pretty sharp, just off a smidge as Jared says.   

It's definitely a minor issue with my 1dx that I've just learned to live with.  I'm glad Jared talked about the issue.

Anybody else notice this issue?
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