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Messages - Steve Todd

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16
Lenses / Re: What was your first L lens?
« on: June 10, 2014, 05:22:52 PM »
Good question, I had to pull out my records to see which one was first.  Looks like it was the EF 80-200 2.8L USM (not a typo, it really was an 80-200!) in May 1990.  It cost $1296.00, which was a lot then!  My second, was the EF 35-340 3.5-5.6L USM, in Apr 1995.  Since then I've added nine others.  The EF 300 2.8L II is on my short list for future purchases, although the 200-400L sure is appealing...just not in my budget plans!

17
I've owned several of the EOS-1 series of cameras, starting in 1989 with the first version of the "1", I upgraded to the 1n in '94, and the 1V in '96.  I still have two of the 1V bodies and the 1n, they have served me well and occasionally get some Fujichrome, Provia, 100F run through them.  What is sad, is that I still have half a brick of Kodachrome 64 in my freezer!  I guess I'll keep it until it has some collector value?  Ha!   

I waited to go digital until the 5D was released.  Two years later, I purchased a 5DII, followed shortly by a couple of 1D4 bodies.  Since November of 2012, I have used my 1DX almost exclusively.  However, I will also grab my 1D4 if I'm going to shoot wildlife and want the 1.3 crop factor.

I couldn't be happier with the EOS-1 series of cameras, although it's hard to believe it's been 25 years since I bought my first one! 

It will be interesting (and probably expensive for me!) to see what features/specifications the next version will have!
I'm still a 1D (X) newbie - just about 3 months now - but it would seem that you've been a Canon user as long as I have been alive, having been born in the year mentioned under your name ;D

Hey Mackguyver, thanks for making me feel old!  Only kidding, I'm fully enjoying my "Golden Years!"
Hope you are fully enjoying your 1DX!  I keep being amazed on how Canon continues to improve upon an already good thing! 

Although I've studied all the guides and manual for the camera, I try to learn new methods/settings for the 1DX whenever I can.  I have found the Canon Professional Network (eu) to be a great resource for finding helpful tips and tricks for the 1DX and most all of my Canon gear.  Here's a link to their site in case you don't already have it:
http://cpn.canon-europe.com/content/index.do

Enjoy!
Steve



18
Canon General / Re: Gear for 9 days trip to Utah National Parks
« on: June 10, 2014, 03:35:25 PM »
Hi Surapon,

Just returned from a short road trip last weekend to N/E AZ, and S/E UT.  Be sure to include Monument Valley to your trip if possible.  It straddles the southern border of UT & AZ, and is well worth the detour.  I used a 28-300L on my 1DX for the entire trip, even though I also took along a 24-70 II.  One thing to keep in mind, the region is quite dusty and usually windy!  So I would keep my lens changing to a minimum, and preferably in your hotel room before heading out for the day!  Also, as we used to say to our students at the USAF Desert Warfare Center, "Drink Water or Die!"  Seriously, drink plenty of water (min. of 3-liters per day) even if you don't feel thirsty!

Hope you have a Great trip!

19
I've owned several of the EOS-1 series of cameras, starting in 1989 with the first version of the "1", I upgraded to the 1n in '94, and the 1V in '96.  I still have two of the 1V bodies and the 1n, they have served me well and occasionally get some Fujichrome, Provia, 100F run through them.  What is sad, is that I still have half a brick of Kodachrome 64 in my freezer!  I guess I'll keep it until it has some collector value?  Ha!   

I waited to go digital until the 5D was released.  Two years later, I purchased a 5DII, followed shortly by a couple of 1D4 bodies.  Since November of 2012, I have used my 1DX almost exclusively.  However, I will also grab my 1D4 if I'm going to shoot wildlife and want the 1.3 crop factor.

I couldn't be happier with the EOS-1 series of cameras, although it's hard to believe it's been 25 years since I bought my first one! 

It will be interesting (and probably expensive for me!) to see what features/specifications the next version will have!

20
EOS Bodies - For Stills / Re: Canon 1D Mark IV or 1Dx?
« on: May 29, 2014, 09:36:07 AM »
I am fortunate enough to have both bodies.  And both of them produce outstanding images.  I actuall had two 1D4 bodies until Nov 2012, when I sold one of them in order to buy the 1DX.  After giving the 1DX a good workout to get familiar with the differences, I find myself using both of them on a regular basis.  Depending on the type of shooting I am doing, I will generally use the 1D4 fitted with my 100-400 for wildlife.  Although the 1DX works just as well for wildlife, I like the 1.3 crop factor of the 1D4 when not using a 1.4X or 2X TC.  The 1DX get used the most with my 24-70, 2.8 L II.  If I am traveling, I will usually carry the 1DX with my 28-300L as an all-in-one combination.  That allows me to cover just about any subject with one lens and eliminates lens changes on the go.  I don't think you can go wrong with either body!  However, If I could only keep just one of my two bodies, I would have to pick the 1DX.  It really is that much better! 

21
Quasimodo, don't know if you got the PM I sent, but here's the post I intended to send you last time about using the dual back button AF method:

http://www.canonrumors.com/forum/index.php?topic=19945.0

22
EOS Bodies - For Stills / Re: AF Guide 1Dx renewed
« on: May 18, 2014, 09:30:51 AM »
Quasimodo, glad you enjoyed the post.  However, it wasen't the one I intended to send, so here is the correct one:

http://www.canonrumors.com/forum/index.php?topic=19945.0

23
EOS Bodies - For Stills / Re: AF Guide 1Dx renewed
« on: May 17, 2014, 09:22:31 AM »
Quasimod,

Like you, I wanted to do the same thing.  However, with that not an option, I set the back buttons to select between the AF modes.  See post: http://www.canonrumors.com/forum/index.php?topic=20182.0

24
EOS Bodies / Re: Canon 1DX camera
« on: May 11, 2014, 09:44:32 AM »
I have had my 1DX since Nov 2012.  Other than having it serviced for the technical advisory (recall) for lubrication check, and a clean and check last Feb, it has served me well.  I have experienced a couple of things with it that never occurred with any of my other bodies.  I was shooting the mission in San Diego, when I had a blank image occur in the middle of a series of shots I was taking of some of the art work there.  I took the shot and looked at the LCD, only to see an all black image?  This has only happened once with my 1DX, but still puzzles me!  The blank image contained all of the right exposure information, just like it would with a properly exposed image, but no image was recorded?  I checked the System Status Display and found an error 80 code.  However, upon checking the event time, it was for several days prior to the blank image and when I checked the time code against the shots I had taken, there was no problem with the images shot before the time code or after it?  The only other issue I have had, is that both the original battery (LP-E4N) and one of the extra batteries I have for my 1D4 (LP-E4) display the "Recalibration is Needed" after about six rechargings?  Performing a recalibration did not clear this issue with either battery?  The original battery for the 1D4 has been recharged at least a dozen time without this ever happening?  So, other than those two issues, it has been a complete delight using the 1DX!

UPDATE:  Just tried a method of recalibration suggested by a friend.  Charging the batterys fully before attempting the recalibration, did the trick!  Although it takes about 14-hours to complete this process, it cleared the "Recalibration" message from the battery status display.

25
PowerShot / Re: New PowerShot & EOS Cameras to Offer DOF Control?
« on: May 05, 2014, 09:04:16 AM »
Many of Canon EOS film bodies had a "Depth" mode, so this is kind of a "Back to the Future" event!

26
EOS Bodies / Canon CPN EOS-1D X AF Guidebook Smartphone App
« on: May 01, 2014, 09:55:02 AM »
Canon Professional Network (Europe) has a smartphone/tablet version of the AF Guidebook for the EOS-1D X:


http://cpn.canon-europe.com/content/index.do

27
For some old west fun, and a great steak at a great price, try Pinnacle Peak Steak House in Trail Dust Town (N.E. Tucson).  And reremember, there is a both a West Saguaro National Park And an East SNP!  They are both excellent.  However, the west side is better for great sunsets! 

28
Lenses / Lens Field of View Comparator on Canon DLC Site
« on: March 27, 2014, 09:53:30 AM »
Canon has posted a nifty new lens field of view comparator on their DLC site:


http://www.learn.usa.canon.com/resources/articles/Comparators/fov-comparator.shtml

29
Photography Technique / Re: photographing motorsport particularly F1
« on: March 25, 2014, 11:23:59 AM »
Looks like you have gotten a lot of good suggestions/recommendations!  Having shot F-1, Indy Car, German Touring Car, Le Mans, and NASCAR since the late 60's; my only recommendation to add here, is NEVER turn you back to the cars if you are anywhere near the track!  I look back at the shots I took standing on the side of the track (no guard rails or anything between me and the cars) and think, how stupid was that!  Even when shooting from a protected spot, I've still had to duck behind cover to avoid flying stuff!  It's much safer today, but keeping a weary eye out and maintaing spatial awareness of what is happening on the track is still a must!  Best Wishes and be Safe!

30
EOS Bodies / AI Servo AF Versus One-Shot AF For Stationary Subjects
« on: March 25, 2014, 11:05:53 AM »
Having read several posts discussing the pros and cons of using AI Servo AF versus One-Shot AF for stationary subjects, I thought I'd ask the one guy who could best address this issue for us. 

He was kind enought to allow me to post his reply to my questions here:

Hi, Steve:

There are no differences in focusing speed, focusing accuracy, or focusing point selection algorithms between One-Shot AF and AI Servo AF with EOS DIgital SLR cameras, period.

The basic difference between them is that One-Shot AF locks focus as soon as it is complete, whereas AI Servo AF continues to track focus as long as it is active. This is why One-Shot AF is recommended for stationary subjects, while AI Servo AF is recommended for most types of moving subjects, especially those that move towards or away from the camera as opposed to lateral movement across the frame.

There are other differences between One-Shot AF and AI Servo AF that can affect some kinds of photography:

1) AI Servo AF allows photographers to release the shutter at will, regardless of whether focusing has been completed or not. This is intentional, in order to allow the photographer to prioritize capturing the peak moment regardless of focusing status. The trade-off is the fact that there is no guarantee that the focus will be sharp on a stationary subject in AI Servo AF, especially during handheld photography at close range with shallow depth of field. Under these specific conditions (one more time for emphasis, I am saying Stationary Subject, handheld photography at close range with shallow depth of field), One-Shot AF is a more reliable focusing method because it locks focus while AI Servo does not.

2) As light levels diminish, eventually AI Servo AF will cease to function before One-Shot AF does. This is because One-Shot AF allows a longer sampling period for AF measurement in low light than AI Servo does. (The AF measurement sampling period is analogous to a shutter speed for the AF sensor. The longer the sampling period, the greater the sensitivity.) Remember that the AF sensor in the camera has a low light threshold, typically EV -1 or -2 depending on the camera; this figure is quoted specifically for the center AF point with One-Shot AF. It's usually about 2 stops less than than with AI Servo AF, and even lower with off-center focusing points. Therefore, if maximum sensitivity for AF in low light is your priority, we strongly recommend One-Shot AF with the center focusing point.

Going back to point 1, current professional EOS models like the 1D C, 1D X and 5D Mark III give photographers more control over shutter release priority in AI Servo AF than older models. You'll notice that there are menu settings in the AF menu section for 'AI Servo 1st Image Priority' and 'AI Servo 2nd Image Priority.' These settings let you control how long the camera waits before releasing the shutter in AI Servo, which is better than older cameras like the 1D Mark IV or 5D Mark II. But it still lets the camera shoot when it is out of focus in AI Servo AF if you insist. In other words, shutter release in AI Servo AF is always a matter of "when," it is never a matter of "if" the subject is in focus.

The bottom line is simply this: AI Servo AF is *not* equivalent to One-Shot AF for stationary subjects in terms of shutter release priority, especially for handheld shots with shallow depth of field, and we never claimed that it was. That's why we offer both focusing modes.  This doesn't mean that AI Servo *can't* get it right.  It means that One-Shot AF is more reliable under these specific conditions.

Hope that helps.


    Chuck Westfall
Advisor, Technical Information
ITCG Prof Client Relations Division
Canon U.S.A., Inc.
One Canon Park, Melville, NY 11747







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