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Messages - revup67

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511
Canon EF Prime Lenses / Re: Canon EF 600mm f/4 L IS USM
« on: February 07, 2012, 03:24:14 AM »
In preparation of getting the 400mm I also obtained a membership at the local gym.  I wonder what I'd have to do to carry this lens around.  No matter what the pain level it looks like its worth it.

Spectacular photos..wow especially the BIF's.

512
Lenses / Re: What UWA options do I have with 77mm Filter size?
« on: February 07, 2012, 03:17:37 AM »
For further lens comparisons (center, mid and edges) see http://www.the-digital-picture.com]Tools/ISO12233 [url]http://www.the-digital-picture.com[/url] choose Tools / ISO12233 and compare any two lenses IQ.

I know you are looking for 77mmm but if you do the above and checkout the difference between the 16-35 mki and Mkii (if considering)- it is night an day.  Perhaps you are relegated to 77mm due to an investment in filters (?)though not sure.  If so, I hear you.  Spent quite a bit on various 72mm's filters but it would seem it all boils down to IQ I would assume, so I surrendered and got the 16-35mkii.  My gripe about the 82mm is scarcity and higher cost - perhaps that is your concern..I couldn't agree more

513
Lenses / Re: Three New Lenses~~~
« on: February 07, 2012, 03:00:00 AM »
Quote
I wouldnt say that strange, the 16-35 2.8 went up from 77mm to 82mm in the mk2 didnt it?

I am told the reason for this is to improve the outer edge quality of the photos.  The original 16-35 mki was rather soft on its edges and due to the gripes, Canon redesigned it this was the way to improve the IQ.   It is significantly better see Tools/ISO12233 http://www.the-digital-picture.com The downside is try and find an ND filter above ND64..(6 stop) good luck.  The 10 stopper is only sold at 1 locale the Filter Connection and is over $225.  Pretty much any decent filter for an 82mm is gonna run you a pretty penny and they are not as plentiful are my findings.

514
Canon EF Zoom Lenses / Re: Canon Fisheye EF 8-15mm f/4L USM
« on: February 07, 2012, 02:44:56 AM »
I've heard of a tree trunk but not a tree butt

515
EOS Bodies - For Stills / Re: Is Canon 7D a good choice for my next DSLR
« on: February 07, 2012, 01:49:57 AM »
Quote
The 17-55 2.8 is also a nice choice for fast glass but for me personally, I would not spend $1K for a lens that I could only use on a crop sensor body unless you never plan on going FF

yes, I would agree with this as well.  one lens that pried me away from this theory was the 15-85 EF-S lens, well under a grand and razor sharp even compared to the 16-35 mkii (I own both).  See for yourself at http://www.the-digital-picture.com Choose Tools, ISO 12233 then do a compare with the 15-85 and the 16-35mkii..note the edges about the same.  It's quite possibly one of the best (if not the best) EF-S lenses canon makes.  I use it as my main walk around lens and you can see from my arsenal (in sig.) I do have a decent selection to choose from.  My alt. choice if I had it would be the 24-105 just too duplicitous at the moment.  if I dump the 7D then the 15-85 goes with it and "hello" to the 24-105.


516
EOS Bodies - For Stills / Re: Canon 7D for studio work
« on: February 07, 2012, 01:36:33 AM »
I am an owner of the 7D for almost 2 years now and like anything else you can sometimes find ways to work around its deficits.

My work has been published in the news paper and about twice a month on KABC-TV Channel 7 HD Los Angeles for weather broadcasts as well as Channel 5 KTLA in HD and on various web sites for our local county (yes I know web is 72dpi) and so I am told a few newsletters.  The pics look pretty darn good (not a one complaint from any source about noise).  I view the broadcasts on a 65" HD TV (no discernible noise that I can see).  I won't go the battle of the 5DMkii vs. the 7D noise comparison, OK fine the 7D loses - we all know that esp. beyond 400 ISO.  A lot can be done in post work to truly mitigate (not eliminate) the 7D's weaknesses you just need to know the ins and outs of post work and have the right software.  I avoided the 5D MKii due to its lack of features (no getting around this such as FPS..a dog) since its ideal primarily for portrait work and very limited outside this but if that's your bag then the 5D should be your choice.  I used to recompose but rarely if ever do I do this any longer.  Watching Canon's Rudy (forget his last name) training demos on the BandH web site has taught me much more about the 7D and also the Blue Crane DVD's so I can exploit its features to its limits and are now more keen of its weaknesses.  There are many features of the 7D I'd be pressed to be without.  Perhaps since we are on the helm of a 5D Mkiii release I'll go this route after seeing on this site what's to be expected but for the time being, I try and shoot 100 ISO to 200 ISO only unless I truly want the shot no matter and then post process until its done satisfactorily never expecting perfection from a noise standpoint.  I hope this helps you in your decision and quest.

It all depends on what you can live with and what are you priority needs.

517
Quote
I know people who actually "see" in B&W when they're shooting, so they're always on the lookout for suitable scenes, with texture and shapes or moods,

^^^^^Comment of the Day^^^^^^

I completely get this.  Perhaps after having your own dark room for so long and developing only in B&W for many years it causes one to see things in this manner.

518
Macro / Re: Super Macro
« on: February 06, 2012, 12:03:41 PM »
Quote
it looks more like a plastic, so that will light up itself, unlike paper...

After closer inspection I do agree.  This prompts me with another idea.  I've got some clear Remo drum heads and white painted over clear drum heads that I should test out...hmm..ideas can be endless

519
Macro / Re: Unknown Bug
« on: February 06, 2012, 02:30:18 AM »
You can go here to help identify this insect

http://bugguide.net/node/view/15740

520
Macro / Re: Super Macro
« on: February 06, 2012, 02:27:32 AM »
Re:  Calix

Nice job on diffusing the light which can be a big issue especially with insects such as Beetles with hard shells as their reflective properties can be troublesome.

I am amazed that the pop up flash (are you using FEC?) can actually burst light through that paper dish or perhaps I am misunderstanding how you have diffused and softened the light.

521
Macro / Re: my first post here
« on: February 06, 2012, 02:19:56 AM »
While on a recent outing I bumped into an entomologist named Bug Bob.  He had sent along this web site http://bugguide.net/node/view/15740 which was most helpful in identifying bugs.  Note the Guide section

When you have an MP-E 65 or other macro lens, having good bug ID resources is key.

Hope this helps

522
Macro / Re: Canon MP-E 65 1x-5x 2.8 Macro Lens example photos
« on: February 06, 2012, 02:14:30 AM »
This particular insect is within the Bug Assassin species.  I found him on the side of my SUV in roughly 70 degree weather (farenheit).  I'd not seen one of these before and wanted to test it level of skittishness.  He was not alarmed by my attempting to gently prod it with a pen.  I put him in a container and head for home.  I placed him on an indoor plant and for the most part he was rather still, not alarmed and a perfect subject to photo via the MP-E 65.  Since he did move every 10 seconds or so trying to get more than 7 images was not possible.  I wish I had spent more time and put the MT 24EX on 1/2 manual vs. E-TTL as there would have been less harsh light on its hard shelled body.  Taken at 2.5 magnification, 7 stacked images via Macro Rail.

What's For Dinner?  (Zelus tetracanthus) by Revup67, on Flickr

523
Quote
Revup67 – I actually never have used the ISO1233 tool before, thanks for pointing out this useful comparison tool!  I enjoyed taking a look at that flickr group, I think I’m leaning towards the 15-85 now…  You mentioned the 100mm 2.8 L is also in your collection, do you have the tripod adapter and do you consider it necessary?

Personally, the ring adapter I feel is not necessary for this lens as it is rather lightweight though I carry around a 400mm prime frequently..maybe my arms are use to the weight of the 400mm so when the 100mm is on the 7D its like a feather.  Mounting the camera body on the tripod with the 100mm and without the ring should be fine.  If in need of a superb tripod head may I suggest the http://acratech.net/product.php?productid=76 Model GP-s which can fit nicely on a Benro Travel Angel or any standard tripod Boegn, etc.  The GP-s head also acts as a Gimbal head.  No plates come with this however so you can pick and choose.  I got one for the 7D and 400mm.  The plate for the 7D with the 100mm attached is plenty as would be for a 5D mkii.  This head is rock solid - be sure to look at the instructional videos on this site.  It's a chunk of change but there's nothing worse than watching a $4000 rig fall to the ground because of a crappy tripod / head.  Luckily I caught my rig before it hit the sand.  The cheap tripod was in the trash moments later.

524
Lenses / Re: How do you think we should spend the money?
« on: February 06, 2012, 01:45:15 AM »
Quote
the cards are good but take too long this you just pop on the lens snap a shot off in the general direction and set your custom balance,
here is a review of them

I've not used one of those though I know there are a variety of brands  ranging up to $125 USD as I recall.  For me the cards (specifically the WhiBal same guy makes LensAlign) are pretty quick (they have a target for instant focus) but most importantly I found them most accurate..spot on.  No right or wrong it seems as long as one is cognizant not to use AWB or post processing without a proper WB snapshot(s) prior. 

525
Quote
A good B&W relies on a lot of colour information. Many B&W digital specialists will actually increase saturation to the point of oversaturation before the conversion, to deepen the tones.

Yes, this is very true.  I've done this technique myself as well as tweak the contrast which also helps.

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