August 22, 2014, 08:39:59 AM

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Messages - jdramirez

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346
Definitely a fraction of a millimetre, but that was through a microscope :)

I forgot about that... but my photo of mitochondria was to contrasty and didn't follow the rule of thirds.

347
PowerShot / Re: New PowerShot & EOS Cameras to Offer DOF Control?
« on: May 05, 2014, 01:03:21 PM »
Sounds to me like a mode in which the camera determines the subject near and far distance and sets aperture to ensure all subjects are in focus.

take for example a shot of a group of people.  face detection could be used to determine the distance to the subject closest to the camera and the suject farthest from the camera, then select the aperture that mathmatically satisfies the DOF with that lens.

Sounds like a cool feature for consumer level cameras or even for shooting video if it was dynamic enough to adapt to the changing environment in real time.

That's a cool feature and I think it would be perfect for a consumer level camera. 

348
PowerShot / Re: New PowerShot & EOS Cameras to Offer DOF Control?
« on: May 05, 2014, 11:59:57 AM »

Absolutely. Canon people may be slow but they are not idiots. If they bringing something on, they must have reasons.

I feel that Canon has enough misses to make a credible challenge to your idiot claim.  :p

349
The computers are down at work and I'm bored.

The reason I ask is because I bought an f1.2 lens and I was concerned that the dof would be unmanageable... then I played with a dof calculator and it turns it I've shot a thinner.

So at 18 inches, at f2.8, and 100mm on full frame is mine which equates to .11 inches.

While the 36 inches, at f1.2, and 85mm on full frame equates to .29 inches.  It will remind me of the Seinfeld episode with Elaine driving in the wide lanes... how luxurious.

350
PowerShot / Re: New PowerShot & EOS Cameras to Offer DOF Control?
« on: May 05, 2014, 11:42:25 AM »

the rumor is very vague..

+1

A lot of heat for something that we don't even have a clue of what it is.

There was a guy advertising for photography services a few years back on Craig's list.  His sample images looked like a mobile phone with some really bad bokeh filters applied.

I'm not saying everyone needs full frame and an f1.2 prime, but the assertion that comparable professional results can come from such techniques are so asinine.

351
PowerShot / Re: New PowerShot & EOS Cameras to Offer DOF Control?
« on: May 05, 2014, 08:23:17 AM »
I saw that commercial for android.  Correct me if I'm wrong, but the basic idea is that the image has infinite depth of feels and then the post production aspect of the software blurs our the portion that is not the subject.  It is a ridiculous concept and u would be very annoyed if the put that function in an slr... which has the capability to shoot at f1.2 with a corresponding lens.

352
Lighting / Re: is a 600rt with a $50 upgrade from the 580 exii?
« on: May 04, 2014, 10:12:36 PM »
Just to put a bow on the end of the story... I was able to sell my 580 exii for $322.70 (net after commission).  My final cost on the 600 rt is $377.98... making my total upgrade cost $55.29. 

So if I hate the 600... I'm coming lookin' for ya'll!!! >-|

I think I need a better flash diffuser... or a better assistant.  My flashbender had some harsh t-zones in some of the photos I took today...

I hate shooting with flashes  ;)

Keep in mind, I never own any speedlite prior speedlite 600. It took me about 20mins to fire up all these stuff. The layout is very friendly :)

First few couple shots with flashes(straight out from camera). Still have a lot more to learn. To have both kids sit still and looking at camera at the same time will be my #1 task ;D

Backgrounds will be next... ::)

I've come full circle in regards to flash.  When all I had was the on camera flash... I never used it. Then I had a 430 exii that I could use in slave mode and I could trigger it using my on camera flash... and I like it enough... then I had the 580's, an umbrella (still working on getting that 2nd umbrella), and stands... and I really like the result when the result is good.  When I screw up the result, well... I won't go into that.

So I like flash... but not as a panacea to bad technique... because it still can detract from an image... but I digress.  I like your first efforts.  When you have two subjects, I'd suggest shooting at f/8 or so, so both are in focus... There's nothing worse than everything coming together and both are looking at the camera, but one is out of focus and the other is in focus... it is just frustrating and annoying. 

353
Lighting / Re: small flash for catch light 5m to 20m
« on: May 04, 2014, 01:47:57 AM »
Catchlight... I read that phrase the other day... and in 6ish years of swimming around in the SLR pool, that was the first time I heard/read it.  So... is it a synonym for a speedlite?  I thought it might be like a light modifier... but that was a guess... and I'm thinking a wrong guess.

354
Lighting / Re: small flash for catch light 5m to 20m
« on: May 04, 2014, 01:45:16 AM »
If all you want is to replace pop-up flash the 90 EX should work fine.  White Box at B-H is $60 if still available.  270 EX is more flexible as stated above and has 3x the power if you don't need a master function.  Both fit in a pocket - obviously larger pocket for 270EX.   BTW: was I the last person on earth to find out that you get the guide number in meters by dropping a zero from the model number of all current Canon flashes?  I.E.  90EX is guide number 9 in meters, 270EX is G.N. 27, 600EX-RT is 60, etc.

I've used both 90 and 270, 90 makes a nice master on 5D-II with 430 slaves.  Catch light at 20 meters?  Really?

That's awesome information... though going from a 580 exii to a 600 rt... I thinking... is that extra 6/7 feet really going to make the difference? 

355
Lighting / Re: small flash for catch light 5m to 20m
« on: May 04, 2014, 01:43:04 AM »
The Canon Speedlite 90 EX is probably your best bet.  I got one when I purchased my EOS M kit and it's not a bad little flash, especially for the money, and you can pick up a refurb from Canon right now on sale for just over $100 - or go for it's bigger brother the 270 EX II for $115:

http://shop.usa.canon.com/shop/en/catalog/lenses-flashes/refurbished-speedlite-flashes


Ebay had them for $50 not too long ago, the 90 ex.  I didn't like it... but maybe it was because the batteries I was using were weak... but it felt like it took forever to recycle... and I was using it as a master which I believe takes less juice than using it as a flash.  I like the idea of the 90ex... but I didn't like having/using a 90ex.

Personally, I REALLY like having an articulating head.  I'd put in my vote for a 400 line...

356
Lighting / Re: is a 600rt with a $50 upgrade from the 580 exii?
« on: May 04, 2014, 01:40:08 AM »
Just to put a bow on the end of the story... I was able to sell my 580 exii for $322.70 (net after commission).  My final cost on the 600 rt is $377.98... making my total upgrade cost $55.29. 

So if I hate the 600... I'm coming lookin' for ya'll!!! >-|

I think I need a better flash diffuser... or a better assistant.  My flashbender had some harsh t-zones in some of the photos I took today...

Congrats! You're halfway towards getting the TWO 600s, only after which the upgrade will be worthwhile ;)
One more good idea to make you spend another $ 20- get the diffusion panel for the Rogue (actually, it is not such a bad idea- I am probably going to get it myself).

I was thinking about it... and I would have liked to have used a translucent white umbrella... but...

It is really quite unwieldy.  I really like the soft light, but having to navigate through a crowd with an open umbrella is a good way for me to never get another assistant again.

357
Lighting / Re: is a 600rt with a $50 upgrade from the 580 exii?
« on: May 04, 2014, 12:02:26 AM »
Just to put a bow on the end of the story... I was able to sell my 580 exii for $322.70 (net after commission).  My final cost on the 600 rt is $377.98... making my total upgrade cost $55.29. 

So if I hate the 600... I'm coming lookin' for ya'll!!! >-|

I think I need a better flash diffuser... or a better assistant.  My flashbender had some harsh t-zones in some of the photos I took today...

358
Lighting / Re: is a 600rt with a $50 upgrade from the 580 exii?
« on: May 01, 2014, 07:20:10 PM »
Just $ 50 for an upgrade to the 600? Wow!
I'm sure a lot of people will jump at the opportunity.
Whether you should, of course, depends on your flash usage.
Until I get my hands on my 2nd 600 (it is on its way) I am still using the YN-622c- so it is really not much different from a 580.

There are certain assumptions being made, like I can sell the 580 for $325... but I think that is a fair price for a really good condition flash. 

359
Well…. I ended up canceling my order……………….. Because I called a local dealer (Pitman Photo in Miami), and they had received 1 on allocation.. Rushed down to pick up during lunch, and I now have what is probably one of the first Art 50s in So. Florida.  Love the build quality, and the focusing is reasonably quick…. Stopped on the way back to work and took some pot shots - will post a little later when I get a chance…. For now here she is mated to my 6D.

Congrats.  I'm anxious to know whether it is a special lens... I certainly hope so.

360
Lighting / Re: is a 600rt with a $50 upgrade from the 580 exii?
« on: May 01, 2014, 12:03:05 PM »
I have two 580s ad's I'm quite fond of them... And I have an opportunity to upgrade one of them for $50.  It seems like a no brainer... would y'all agree...

Im using yongnuos at the moment to control my off camera flash... So only one 600 won't change that, but I suppose I may upgrade the other 580 eventually as well... thoughts?

Buy two 600s and sell your yongnuos if you can to fund the purchase.  Then you won't wonder why you have one 600 whose rt function isn't of value until you buy another.  As previously mentioned though, should you only get the one, you will find other benefits other than the rt function that can justify it.  And as you say, you may buy another in the future and you'll be set.

I upgrade at a glacial pace.  And even that feels too fast for me.  I'm going to get the flash, but getting it past the wife will be a challenge.

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