July 31, 2014, 05:05:11 PM

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Messages - ahab1372

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Lenses / Re: Canon's f/1.2's: What is really going on?
« on: April 29, 2014, 10:29:27 PM »
so have we decided adding a few drops of motor oil will keep our lens mounts running smoother and extend their life?
Yes, but don't forget to send the camera and lenses in for an oil change every 3000 mount operations.
Otherwise, there will be a few dozen atoms lost after some years.

Animal Kingdom / Re: BIRD IN FLIGHT ONLY -- share your BIF photos here
« on: April 24, 2014, 02:31:07 AM »
Thank you Click.

Alan, it was the only one that the focus was solid out of about 50.  Some would be fine at a larger size but could not be cropped to this size.  Thank you Alan.
1 out of 50 sounds good to me - I had 3 out of 600 that were acceptable. Not as good as yours

@ Marsu42; thanks for your comments. Incidentally don't think that you are alone in struggling with focus on horses. Animal fur is notoriously difficult to focus on, and with horses in particular I have always had trouble focusing with every camera I have used.
they should be all Zebras, that would make AF easier

Yes, sorry, I was thinking of the 11" MBA in the front pocket of the 10, not the 13" MBA. The iPad and 11" work well, but that is no help!
Oh well, trade-offs. I'm starting to understand Neuro's "the right bag for the occasion" approach much better. So far I was able to limit it to two bags only ;)

I figured you either didn't have the laptop at hand or the camera store, just wasn't sure which one :).
Trying bags with your gear is the best way to find out. I have packed and unpacked most of my stuff into 4 different bags, in the store, before I bought the 10.
I also agree with pbd, ThinkTank really forgot the laptop option on the 10 and 20. I personally don't miss it when I go shooting, but would be nice to have the option. Btw, the 13-inch doesn't fit comfortably into the front pocket of the 10, even without a sleeve.
For the actual travel time (on the plane etc) I don't mind taking the larger UrbanDisguise (I even take it as my only bag on 1-2 day trips when I don't take any camera with me). It has enough space for flashes, batteries, all the chargers we bring these days, books, magazines, etc. I don't mind walking around with it either when I travel and don't want to bring both bags. IMO it screams "Business trip" rather than "camera bag". The optional shoulder straps convert it into a backpack - that helps when you load it to the max.

Photography Technique / Re: Panning
« on: April 20, 2014, 11:17:32 PM »
both girls a standing on their bikes, so they will most likely bounce up and down. With longer shutter speeds, you will have inevitably motion blur on their faces. If they sat down, you may get away with longer shutter speeds.
Another way to get more blur is the subject moving faster - but I'm not sure moms like it when you yell at the kids "faster faster"  :P

First of all, I have the Retrospective 10, not the 7 - sorry, I didn't remember right. The Macbook Air 13 inch does not fit in there (see pictures below). The 10 doesn't have a dedicated Laptop compartment, but it does have a rear pocket with a zipper that would hold a tablet nicely. Putting it in upright is probably not an option I guess.
According to the ThinkTank website the 7 is a little wider, but maybe not wide enough. The website says 11.8 inches for the laptop compartment, the larger MB Air is 12.8 inches wide, I came back late, otherwise I would have stopped at the local camera store to see if I could squeeze it in, but I would'n count on it. I might be able to try next week (The store is not far away).

I personally went for the UrbanDisguise v60 for occasions when I want to carry camera gear and laptop - It even hold the MB Pro 13-inch and the MB Air 13-inch at the same time in the laptop compartment. But for me that is rare, mostly when I travel by plane.
EDIT: The UrbanDisguise does fit under an Airplane seat.

When I'm out shooting, I don't need my laptop, and love the Retrospective 10 for that. It holds a 5D mark III with RRS L-bracket, with a 24-105mmL attached and lens hood, with 70-300mm L next to it with tripod collar and lens plate (hood reversed), and in the front pocket a Rokinon 14mm, filter pouch, and a 40mm pancake. The camera fits also with the 70-300mm L attached, and the 24-105 next to it.
The Retrospective 7 is a little wider, but has less height, and is less deep. I probably could still fit all of the above in the 7 (there is still some wiggle room in the 10), but it would be harder to get things in and out.

Not sure if that helps you at all with the decision making - if the laptop is a must-have, I can try the Retrospective 7 and the 20 when I'm in the store next week.

I can try tomorrow night, but I suspect it will be a bit too crammed. Maybe in the outside pocket?
I'll let you know.
Did you consider the 10?

EOS Bodies - For Stills / Re: Ants nesting in my 5D!
« on: April 19, 2014, 01:42:14 AM »
Maybe they are supposed to be in there. They are the ones moving the mechanical parts when we push a button, like little workers with hard hats. Maybe they are even counting photons and pushing electrons. We probably all have ants in our cameras.

EOS Bodies - For Stills / Re: Ants nesting in my 5D!
« on: April 19, 2014, 01:09:53 AM »
And if you could take a picture or video of ants crawling in the viewfinder, that would be a huge success. Take the lens cap off and shine some light through the lens.

EOS Bodies - For Stills / Re: Ants nesting in my 5D!
« on: April 19, 2014, 01:08:11 AM »
Sorry that we are making jokes at your expense, but it is funny in a bizarre way.
I think the bait is the best option - maybe you can find one that is also a trap? Maybe let a few of them go back at first so that they establish a scent path, then make sure the bait is in a no-return trap. That way you don't have to sit next to the camera for hours.

EOS Bodies - For Stills / Re: Ants nesting in my 5D!
« on: April 18, 2014, 10:55:50 PM »
Sorry, no advice - but can you post a picture if you see one crawling around?
Good Luck!

EOS Bodies - For Stills / Re: Birds in Flight tips
« on: April 18, 2014, 05:52:21 PM »
depending on size and speed of the bird, you might even have to switch to all 61 AF points. With zone or expanded AF I would have never been able to keep the AF points on this one (it was hard enough to keep them in the viewfinder - and I know it is too dark, I need to check my monitor settings):

Lenses / Re: Stacked TCs - 1.4x III + 12mm Extension Tube + 2x III
« on: April 18, 2014, 04:06:22 PM »
A little update - and a warning! I had the 500 f/4 II with 2x III tc attached, with a Kenko 12mm extension tube behind that, and the 2x II and 1.4x III extenders behind that. I stood the camera upright, lens down (as I often do) on a bench while I fiddled with my bag. The camera fell over (which it sometimes does, and comes to no harm), but it hit the back of the bench and the lens combination just clean sheared in half! Thankfully, the strap stopped the camera falling onto the ground. Predictably, it was the extension tube that had failed - the front part had simply detached. Could have been costly! So be extra careful when mounting big lenses on teleconverters with extension tubes :(
Yikes!!!  All I can say is Yikes!!!  I'm glad it didn't turn into a disaster and thanks for the warning.

Well it turns out the screws (that on the outer surfaces are in metal) are only mounted into flimsy plastic sockets. I thought it was fixable, but the sockets had disintegrated. The whole extension tube is a writeoff. I wonder if (hope that!) the Canon extension tubes are more sturdily constructed?
Maybe it was a good thing that the extension tube caved in - otherwise the lens or extender mounts might have been bent. The Kenko acted as what I believe is called a predetermined breaking point

Lenses / Re: Sigma vs Zeiss vs Canon
« on: April 18, 2014, 08:45:15 AM »
@candc Canon used to make a 135mm soft focus which I believe us discontinued:

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