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Messages - cliffwang

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Lenses / Re: Canon 50 F1.4 VS 50 F1.2L Lenses
« on: August 30, 2012, 01:37:48 AM »
No question, the 50 f/1.4 gives you the best IQ for the money in their entire lineup. But it's finnicky and can be fragile. Learn it's little quirks and treat it gingerly, and you should be ok.
If you are not comfortable with Canon 50mm F/1.4, go with Sigma 50mm F/1.4.  It's much better than Canon 50mm F/1.4.

Lenses / Re: *UPDATE* Canon EF 24-70 f/2.8L II Pushed Back to October?
« on: August 29, 2012, 06:40:08 PM »
I am glad that I got Tamron 24-70mm VC.  No more waiting... :)

And how do you like it?
I like this lens a lot.  The IQ is sharper than my old Canon 24-70mm MK1.  I think people complain that it might have onion bokeh.  However, I haven't really seem that yet.  By the way I am not a PRO, so I don't really think I will be so picky for the onion bokeh in few photos in my life.  I really like the IQ and VC feature of this lens.
HOWEVER, if I was a PRO, I would just wait for Canon 24-70mm MK2.  For PROs you are making money from your clients, so you should use the best gear for your clients.

I was definitely temped by this lens. It receives great reviews and considered at least on par with the Canon 24-70 f2.8 Mk I in terms of IQ and has VC to boot! However, having the zoom ring turn the opposite direction was the deal breaker for me.
I think you won't feel any inconvenience for the opposite direction for zoom ring.  When you are turning the zoom ring, you will adjust the direction to the correct way.  At least there is no problem for me.

Lenses / Re: Canon 50 F1.4 VS 50 F1.2L Lenses
« on: August 29, 2012, 06:22:39 PM »
I have had both, but now have the pick of the bunch, a Sigma 50 f/1.4.

Read up on this lens. No it's not 10/10 perfect score perfect, but in my experience it's one of the few non-Canon aftermarket lenses than really stands out from the crowd. Same goes for the Sigma 85.

I'm generally not one for aftermarket non genuine hardware, but the Sigma 50 was too hard to ignore.

I haven't use 50mm F/1.2, so I cannot tell how is the 50mm F/1.2.  However, I had both Canon 50mm F/1.4 and Sigma 50mm F/1.4.  I end up to keep Sigma 50mm F/1.4.  The IQ and the bokeh of Sigma 50mm F/1.4 is better than Canon 50mm F/1.4.  The only problem is the focus issue.  I have to do +17 MA for this lens.  Sigma lenses are not good for camera without AFMA feature.

EOS Bodies / Re: 4K, 8K, UHDTV and the big megapixel EOS
« on: August 29, 2012, 02:08:06 PM »
Thank about that
Can we see the difference between 480p and 720p?
Can we see the difference between 720p and 1080p?

How about
Can we see the difference between 1080p and 2160p(4K)?
Can we see the difference between 2160p and 4320p(8K)?

My answer is yes especial between 408p, 720p, and 1080p.  If you have a 32 inch TV, 720p might be good enough for you.  If you have a 46 inch TV, you might want 1080p.  When you have a 60-80 inch TV, 4K and 8K is very important.  By the time high MP surely will bring the benefit.
However, that depends on how big TV you are going to have.

Lenses / Re: *UPDATE* Canon EF 24-70 f/2.8L II Pushed Back to October?
« on: August 29, 2012, 01:57:14 PM »
I am glad that I got Tamron 24-70mm VC.  No more waiting... :)

Price will go UP
Lol.  Please go to buy hundreds of 5D3, so you can sell them to make profit later.

Lenses / Re: 50mm lens. I Need advice!!
« on: August 23, 2012, 02:55:55 PM »

On a crop-sensor body like the 7D you'd be better off getting the Canon EF 28mm f1.8 USM for 2 reasons:

(1) It's a better lens than the 50mm f1.4 in terms of IQ and has proper USM (far less noisy)

(2) More importantly, with the crop factor you have a 44.8mm (35mm equivalent) lens which is far less limiting than an effective 80mm focal length if you opt for the 50mm f1.4. Also remember the human eye lens is approx. 45mm

Lastly, you're better off starting with your 1st prime as a 'wide' lens, then beginning working your way up to longer focal lengths as your budget allows.

For 50mm in 35mm equivalent, Canon 28mm F/1.8 and 35mm F/2 are the best choice.  I heard 28mm is sharper in the center and 35mm is sharper in the edges.

Lenses / Re: 50mm lens. I Need advice!!
« on: August 23, 2012, 01:51:56 PM »
I don't care for the rendering of the sigma.

The 50L is king for what it is.
If 50mm F/1.2 L costs 450, I definitely will buy one.
Sigma 50mm F/1.4 or Canon 50mm F/1.4 which one is better choice?  I pick Sigma 50mm F/1.4.

Lenses / Re: 50mm lens. I Need advice!!
« on: August 23, 2012, 12:29:28 PM »
Sigma.  If you get a good copy, it's performance will fall between the Canon f/1.4 and f/1.2 but at a price much closer to the f/1.4.

I wouldn't be concerned about the Canon 50 f/1.4 replacement coming out anytime soon, and if it did, are you willing to spend around $800 for similar performance?  And if the new version does cost around 800, I'm pretty sure you'll get good resale for a sub-$400 lens once it is discontinued.

If I do decide to go with the Sigma how do I know that I have a good/bad copy?

I just ordered Sigma 50mm F/1.4 and Tamron 24-70mm F/2.8 VC few days ago and will receive them in this two days.  What I am going to do first is using FoCal to do MA.  If the MA value is over than 10, I think I might ask an exchange.  I finially is going to say bye-bye to my Canon 24-70mm.  Remember you should just buy lens from big stores because they usually can do  free exchange or return.

I actually don't hear focus issue for recent Sigma 50mm and your 7D has MA feature, so you shouldn't worry too much.  Just buy it and try it.  If you don't like it and then you can return it in usually 30 days.

EOS Bodies / Re: Canon EOS 3D X [CR1]
« on: August 23, 2012, 03:21:26 AM »
Many Canonites had dismissed the D800 simply because it had 'too many mp's,' would slow down pp, files take up too much space etc.  All valid considerations, but I'm guessing more than a few of those people would suddenly consider this Canon ;)
LOL.  I was also thinking how come those people not complaining this high MP camera.

EOS Bodies / Re: Canon EOS 3D X [CR1]
« on: August 21, 2012, 05:52:05 PM »
Does anyone know what the RAW file size would be?  If it's just about double those on the 5D Mark II then I don't know why people are suggesting you need a super computer.  I admit the transfer of images from memory card to computer could be a bit onerous, but any decent computer (last few years) will easily handle the file sizes from the 5D Mark II.  I don't do multiple layers, etc, but my computer manipulates my 5D Mark II images almost instantly.
I also don't see a problem here.  However, I guess many people here are PRO and making money by photos.  They need to process couple hundred photos daily.  The view points are very different.

EOS Bodies / Re: Canon EOS 3D X [CR1]
« on: August 21, 2012, 01:40:27 PM »
I hope they make it happen.  Not sure how such a camera could be priced below $4k though...

We are talking about Canon camera not Nikon camera, right?  We all Canon users will pay only premium price for its camera.  I hope the price would be below 5K.

EOS Bodies / Re: Canon EOS 3D X [CR1]
« on: August 21, 2012, 01:35:55 PM »
How do you figure that? 4k resolution is 4096 x 2340 (unless you mean QuadHD, then it's 3840x2160) requiring at most 10 megapixels, and UHD 8k is 7680 × 4320 for about 33.2 megapixels. I regularly mix Canon DSLR stills with 4k RED footage, and have to downsize or crop the stills.

You are right.  33MP is for 8K not 4K.  I just got bad memory.

EOS Bodies / Re: Canon EOS 3D X [CR1]
« on: August 21, 2012, 12:42:42 PM »
If the price of 3D X is below 5K, I think I will get one.  I take photos for my family, ISO 3200 is good enough for me.  High MP will be great for the future when you play the photos on your TV.  In 5-10 years, UHDTV will be ready, and you need 30MP(for 4K) to 122MP(for 8K) for your UHDTV.

EOS Bodies - For Stills / Re: OUT: DSLR // IN: Micro 4/3
« on: August 20, 2012, 11:59:13 PM »
I'm trying to find a reason NOT to do this:

Sell: 5D2, TS-E 24/3.5L II, 24-105/4L, 40/2.8
Buy: Oly OM-D, Oly 12/2, Pan/Leica 25/1.4, Oly 75/1.8

Size, weight, price and general flexibility seem to outweigh the advantages of an all-out DSLR system. I'm finding you have to dig pretty deep to find significant differences in IQ in practical use. Has anyone made this kind of change?

Qualifier: I'm not a full-time pro. I don't make my living in photography. It's only a small part of my job, but it's a huge part of my life. I shoot for the enjoyment of shooting: typically landscapes, nature, travel and cityscapes.

I have 5D2 and also want to get a M43 camera for my wife.  My wife always complains the 5D2 is too heavy and difficult to use for her.  I think I will just keep my 5D2 and get a good M43 camera for her.  I know the IQ of current M43 cameras are very good.  However, I just don't want to miss my 70-200mm MK2 and coming Tamron 24-70mm.

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