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Messages - wickidwombat

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3271
Lenses / Re: Tilt-Shift Lens vs. Macro Slide Rail
« on: March 14, 2012, 07:16:11 PM »
It always raises a wry smile when people discuss pano heads, because I know that sooner or later someone will mention the 'Nodal Point' without a clue what it is.

In fact the Nodal point is the point on a lens element where the light bends, here is what Wikipedia has to say:

"The nodal points are widely misunderstood in photography, where it is commonly asserted that the light rays "intersect" at "the nodal point", that the iris diaphragm of the lens is located there, and that this is the correct pivot point for panoramic photography, so as to avoid parallax error. These claims generally arise from confusion about the optics of camera lenses, as well as confusion between the nodal points and the other cardinal points of the system. (A better choice of the point about which to pivot a camera for panoramic photography can be shown to be the centre of the system's entrance pupil. On the other hand, swing-lens cameras with fixed film position rotate the lens about the rear nodal point to stabilize the image on the film."

No doubt there'll be plenty of the usual smites for putting people right - yet another good reason for getting rid of it.
I've been wondering how to find the nodal points on canon lenses, some nikon lenses have it marked on the barrel. Do you know where the nodal points are for canon lenses?
so you are saying set the front element is a better point to rotate about? interesting since i use the gigapan its easy to fix the point at the start of the panorama but as you say there is so much conjecture around about which point is best.

3272
EOS Bodies / Re: First DSLR: Canon 5d MkIII or Nikon D800...
« on: March 14, 2012, 07:05:37 PM »
I disagree about the 550, If he has the money to go all in why not get the best?

I didnt see the ziess mention before so you are fully aware of what the right glass is going to cost i am sure
all my previous comments about trying it all out still stand though
(It will be interesting to see how the ziess glass resolves the D800 res in real terms though)

3273
EOS Bodies / Re: 5D3 or 1DX for Ultimate Image Quality...
« on: March 14, 2012, 06:41:14 PM »
BUT the 5D3 has just been said to have 'UNSURPASSED IQ'

thats why they are releasing the 5D3 before the 1Dx so they are telling the truth they just dont also mention the until we release the 1Dx part after that :P

3274
EOS Bodies / Re: First DSLR: Canon 5d MkIII or Nikon D800...
« on: March 14, 2012, 06:39:18 PM »
I would wait a month and see some real world examples hit the streets and then get to physically test both out and see what I think.

for what you describe you shoot then the D800 certainly will fit the bill
lenses to look at would be the 14-24, the 50mm f1.4G the 70-200 f2.8 or the 85 f1.4G also the 105 f2.8 Micro is a stunning lens and makes a great portrait lens

All up to get the glass to do justice to that camera you are going to be dropping around $10k if you are starting from scratch. Thats quite a bit of coin for a first DSLR

its a similar story with the canon

but you have many more lenses to decide on and choose between
16-35 f2.8 II 50mm f1.4 or f1.2 if you'r feeling rich, 85mm f1.2 if you are feeling rich again and can handle the focus speed but as for quality of portraits its pretty tough to beat (I went for the sigma as i couldnt hanlde the focus speed of the 1.2 and of course the 70-200 f2.8 IS II

So its a tough choice really. my advice get yourself a couple of good CF cards now and when they come out take those card into the stores and give it all a good workout, take the cards home and check the files yourself
when spending that kind of money i certainly dont go with the populist vote on the internet!

3275
EOS Bodies / Re: The Megapixels are Coming [CR1]
« on: March 14, 2012, 06:23:36 PM »
Correct me if I'm wrong, but I just did some quick calculations and it looks like:
7D sensor at 18 mp = 46 mp full frame
50D sensor at 15 mp = 38 mp full frame
1D IV sensor at 16 mp = 27 mp full frame.

So, it seems to me that if Canon decided they really need to bring a higher megapixel camera to market quickly, they don't have to reinvent the wheel. Could they just upsize one of their current sensors?

The only one of those sensors that i would be happy with the IQ from if it were upsized with no technological advancement is the 1D1V at 27MP

if however they got ontop of the 7D low iso noise, high iso noise and general softness (this is relative softness mind you i'm not saying its marshmallow soft for all the crop lovers out there) fact is the 7D IQ needs improving and I think perhaps a touch of the new sensor tech can give it that lift it needs but of course the crops are going to need a MP jump to beat sony.
I've said I think they will try and 1 up sony with 27MP (just a guess) now if you make that Full Frame you get 69 Dude!

3276
EOS Bodies / Re: The Megapixels are Coming [CR1]
« on: March 14, 2012, 06:17:03 PM »
I'm not in a hurry to replace my 5D2 but this is the last chance for Canon to stay with Canon. I don't think though I'm willing to wait longer than Photokina.

Seriously can we get an ETD on that? I am getting really tired of reading this whinning in every thread (I am certain most others are too) can the ship jumpers please get on with it already? and let s let the board get back to how it was?

3277
EOS Bodies / Re: 5D Mk III vs D800/E, is the 5D3 better at anything?
« on: March 14, 2012, 06:13:39 PM »
Quote
Unfortunately I don't see how exactly it is better than a 5D2.

Well for me it is.
I have always been happy with the image quality of the 5D Mark II.
Except for some things which they have fixed in the 5D Mark III

I  really don't care if the DR is 11 or 11.5 or whatever.
So yes I am happy with the Canon 5D mark III

It is very very simple.
If you don't like the 5D Mark III .........then don't buy it....
Like there are NO good pictures in the world left after Nikon has released a 36MP..... :( :(

Well said.

and yes you are correct there are no more good pictures left in the world anymore because the D800 specs say there cant be. Its officially technically impossible for there to be any good pictures not taken with a D800 so all good picture taking has been reserved for D800 users unfortunately since it has not yet been release everyone is not allowed to take any good pictures with other cameras until they get their D800. Dont argue the specs tell us this and anyone that disagree's is a silly canon fanboi. :P

(disclaimer - for people that dont understand sarcam, that last paragraph was not meant to be serious and does not represent the true views of the poster if i knew how to make the font smaller this would be in fine print but i'm too lazy to work it out.)

3278
EOS Bodies / Re: 5D Mk III vs D800/E, is the 5D3 better at anything?
« on: March 14, 2012, 03:08:39 AM »
We Canon fans are like Apple fans, pay more for less  ;D

LOL nice analogy
and keep coming back for more punishment

3279
Lenses / Re: Are EF-S lenses compatible with FF bodies
« on: March 14, 2012, 02:59:47 AM »
I'm sure they can throw in a roll of duct tape to attach the lens to the camera  ;D

3280
EOS Bodies - For Stills / Re: 5D Mark III Information
« on: March 14, 2012, 02:58:13 AM »

Too bad it can't be turned down to say ISO 5 like some of the old film.  That also would enable creative shooting without resorting to light reducing filters.

I often use iso50 which doesn't seem to be common practise. Subjectively on the 5D2 this seems to enhance the IQ with better colours. Anyone else find this??

Really? never tried it but i will now :D thanks for the tip

3281
EOS Bodies / Re: Are we suckers, or smart business people?
« on: March 14, 2012, 01:49:33 AM »
- almost identical sensor (don't kid yourself, 21 mpx to 22 mpx is an almost identical sensor), with yet-to-be-determined improved performance
Ha, ha, what?  "Yet to be determined?"  Did you look at any of the samples yet?

I'm going with "pro troll" :)

I gave up looking at samples after the second bunch came out, I'll wait till i get mine in a week or so and make up my own mind.

3282
Lenses / Re: Purchase thoughts: Canon 5d3 or 24-70L II?
« on: March 14, 2012, 01:45:55 AM »
I would wait a week or so until us with pre-orders on the bleeding edge get ours and can give some tangible feel for the step up from the 5D2 then decide. But at face value with you glass i would more likely go with the camera over the lens based on the AF improvements etc.

will you be selling the 5D2? to fund the 5D3 or keeping it as a backup?

3283
EOS Bodies - For Stills / Re: 1D cameras for walk-around and traveling
« on: March 14, 2012, 01:39:05 AM »
Thanks for the link. I've made a mod that I trust... some rock climbing gear to the rescue. Camera and lens ok... pants not so much  ;)
LOL at least you can still have a sense of humour about it!

3284
EOS Bodies - For Stills / Re: 1D cameras for walk-around and traveling
« on: March 14, 2012, 01:08:56 AM »
woah ok i get you now! the exact same part i was talking about?
I was more worried about potential shearing failure in the shaft but you are saying the knob on the shaft (yeah that sounds really bad) that holds the carabina to the rectagular loop that is over the strap has actually pulled through the cast metal loop!.

Damn. I hope your camera is ok

I use this
http://peakdesignltd.com/
to also clip my camer too while it is attached to the strap to avoid the swinging around and provide more of a backup too, i have made a modified really right stuff l-bracket setup to allow me to keep the strap attached while still fitting into this clip

3285
EOS Bodies - For Stills / Re: 1D cameras for walk-around and traveling
« on: March 14, 2012, 12:45:11 AM »
If the screw gate on the carabina is tight this is extremely unlikely to happen and perhaps makes the ebay ones even better because the screws are much tighter and open and close less easily than the genuine

If you are REALLY worried about it you could always replace the carabina with a load rated absailing one however you NEED the swivel part otherwise if there is no swivel the carabina can rotate againsted the screw thread direction and potentially release the mount from the tripod point in the base of the camera.

I would be more worried about the carabina pin into the swivel part failing due to metal fatigue than the carabina itself failing, to my mind this is probably the single weakest point on the whole setup (basically it's the thinnest piece of metaland is under constant varied stresses and loads)

You are correct a stainless steel swivel and carabina arangment would really help to set the genuine BR apart from the copies but as it stands the copies are basically every bit as good as the genuine at a sixth of the price

I am actually in the process of changing out my 2 year old ones for new ones just because i fear a metal fatigue failure which will give no warning and its not possible to inspect inside the swivel to check for signs of fatigue.
an additional $13 every year or 2 is cheap to reduce possible risk IMO.

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