April 18, 2014, 08:08:29 PM

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Messages - aznable

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Lenses / Re: Review: Sigma 50mm f/1.4 DG HSM Art
« on: April 15, 2014, 09:25:57 AM »
Here's what I've been waiting for - a 50L to 50A comparison from SLR Lounge

I think it's enough to convince me to cancel my pre-order.  The Sigma is sharper, but not shockingly so, and the Canon's bokeh is slightly better (IMHO).  The Canon also appears to have ever-so-slightly better contrast, while the Sigma has better CA control, but again, only by a hair.

The other thing I've learned is that you'll have buy the USB dock to enable full time manual focus (which I guess isn't standard for Sigmas).  That's crappy. 

The 50L has killer build quality and USM in a much smaller package and I don't think the Sigma is worth 950 of my dollars for such subtle differences at f/1.4 in what for me, is a portrait lens. 

I guess I can't cancel it till the 24th, so I'll keep my mind open until then, but I think I'm going to cancel and resume the 50L II vigil ;)

This is exactly what I expected.  Sigma very slightly sharper, Canon better bokeh.

IMO no comparison if price not an issue, the Canon f/1.2L is the better lens.  Although I got my Canon for $1200 during the rebate season.


* Minimal difference in sharpness/CA
* Canon has better bokeh
* My bet is on Canon for faster autofocus
* Canon does f/1.2, sigma does not
* Canon is much smaller, and probably built better

you can take a look to a more scientific review


the canon 1.2L is destroied on sharpness in the corners

The Sigma 50/1.4 Art's sharpness holds up very well against the sub-$2,000 competition, as well. At ƒ/1.4 and on a full-frame camera, it pretty well blows all of the others out of the water. The Canon 50/1.2L is pretty sharp in the center, but the corners are extremely soft.

Third Party Manufacturers / Re: Sigma 50mm f/1.4 Art Gets Reviewed
« on: April 12, 2014, 03:41:18 PM »
there is no match between 50A and the rest of the bunch except the Zeiss Otus

slrgear consusions of the review:
The Sigma 50mm ƒ/1.4 Art is the most exciting lens we're likely to review this year. All competing lenses from Canon and Nikon fell short when compared to the resolving power of the 50mm Art. Compared to the mighty Zeiss 55mm ƒ/1.4 Otus, the Sigma holds its own, displaying nearly identical results! Even though it has a higher price than the standard 50/14 offerings from Canon and Nikon, this lens is easy to recommend. Put simply: it trounces any similar model available for less than $4,000. And since it comes in significantly cheaper than the best of Canon and Nikon, Sigma has made a friend of every full-frame shooter in the land.

for anyone interested in resolution at large apertures it's a must buy

the nexus 5 is worst than my lumia 1020 taking shots at any iso and the lumia 1020 is good considering it's a phone, but it isnt any better than a dslr like a canon 60D; post some samples

Third Party Manufacturers / Re: Sony has 54MP FF sensor next in line
« on: December 13, 2013, 03:51:48 AM »
Am I the only one who is impressed (read: terrified) by the 2460 focusing points?

the 70d has 15 millions focus point more or less, so i am not impressed....2.4k looks ancient to me  ;)

Third Party Manufacturers / Re: Sigma 24-104 f/4 lenstip's review
« on: November 26, 2013, 12:35:59 PM »
the canon is a little better at 105@4, in the rest fo focal length/apertures is worst; midframe and corners sigma is overall better

anyway 2 lenses i dont like so much

Software & Accessories / Re: Photoshop CC & Lightroom 5 for $9.99/mth
« on: November 22, 2013, 11:43:17 AM »
it's a promotional price for the first year only.

in the terms of use conditions they say, that the renew will be automatical at the actual price of the Subscription.

i dont understand if you can cancel the Subscription at the end of the first year without incorring in penality

Third Party Manufacturers / Sigma 24-104 f/4 lenstip's review
« on: November 15, 2013, 05:00:50 PM »
nothing spectacular but optically better than nikkor and canon



Of course not many wanted to buy yesterdays shitty mirrorless. Dwarf-sensored nikon 1? Slow as molasses eos-m? Retro styled fujis? mft-sensored stuff? Poor EVFs? Give me a break!

It will change as soon as really good ff mirrorless arrives. Sony A7/R are the first inkling. Even better stuff will follow. Dslrs will be gone. Like all those german rangefinders went out the door in the 70s when good SLRs became available from the japanese. This time round it might be korea and taiwan doing it to the japanese. Hehe!

and in the meanwhile nikon may die and you will be here bashing canon and supporting who... sony, pentax, Samsung? lol

Pricewatch Deals / Re: Sigma 24-105 f/4 DG OS Gets its Price
« on: October 26, 2013, 04:30:29 AM »
Sigma's biggest strength has always been and continue to be their pricing.

and recently the optic quality too

EOS Bodies / Re: 7D2, 6D2, 5D4... USB3?
« on: September 29, 2013, 05:11:57 PM »
On my old S3IS I just plugged the camera in and downloaded. The downside was that Canon apparently doesn't like just any old program looking at files on that camera, I had to use their software, so you have the potential that some bureaucrat will decide to limit when/how you access your files.

If properly implemented it would be preferable to use USB3 over a card reader, and I wouldn't worry about future compatibility, it will be quite a while before any flash cards (at least sub $1,000 ones) saturate the 400MB/s bandwidth afforded by USB3.
Not that the peak bandwidth of USB3 matters much since the your HDD will still only write between 100-200MB/s. Unless you run multiple drives in RAID or plan on buying a lot of flash storage you're not going to be able to saturate USB3.

The bottom line is that USB2 at 10-20MB/s is terrible, and should generally be avoided if you care about data transfer time.

my hdd is faster than 100-200mb/sec and by a lot...around 500 mb/sec attached on a sata3 controller, but i guess it would take a quite big performance hit if attached to a usb 3.0 enclosure

and yes, to have an usb 3 would be preferable than an usb 2, but you would need a good hardware to exploit the full potential offered by the protocol

EOS Bodies / Re: 7D2, 6D2, 5D4... USB3?
« on: September 29, 2013, 12:20:48 PM »
it's not only a matter of usb 2 or 3; downloading images from an UDMA from a canon 50D (udma supported) and a USB2 10€ card reader (with UDMA support) is faster on the card reader

EOS Bodies / Re: Finally upgraded from 1st Gen EOS Rebel - Canon 7D
« on: July 29, 2013, 10:06:30 AM »
welcome to CanonRumors forum ;)

EOS Bodies / Re: An Update on the 75+mp Camera in the Wild
« on: July 28, 2013, 06:02:45 AM »
fuji has more DR than nikon sensor and they are being outsold by nikon too... so better the DR worst the sales of cameras; canon execs have to care about their stakeolders, that's the reason because they dont improve DR on their sensors

EOS Bodies / Re: Buy 7D now If I won't be able to afford 7D mkii
« on: July 04, 2013, 12:06:42 AM »
if you like so much the 1dmk2 why not to buy a used 1dmk3 (or a mk2) instead?

EOS Bodies / Re: Canon EOS 70D Spec List
« on: June 27, 2013, 04:19:31 PM »
Very similar specs when compared to the 7D. I would have thought that this needs to be better than 7D in all aspects including fps.

needs just to be better than d7100 and with those specs probably it is

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