Photoshop actions

  Reviews by: CHIA  

View profile View recent posts View reviews Visit Homepage Add CHIA to your Buddy List
Sigma 24-70mm f2.8 EX Aspherical DG DF

Review Date: Feb 24, 2006 Recommend? yes | Price paid: $250.00 | Rating: 8 

Pros: Price, optical quality, build quality
82mm filter size (expensive), "buzzy" sounding, non-HSM focus, and opposite direction zoom ring than Canon brand

I have the newer "macro" version, and have personally had 2 copies of this lens in the past. I have also owned 2 of the competting Tamron 28-75 f/2.8' Chinese made, one Japanese made.

I found the Sigma was sharper wide open than both Tamrons, focused slight faster, and is built much better. I did not have any build problems with the Tamron's, but they felt small & cheap in comparison.....the smaller size may be a benefit to some people though?

I liked the extra 4mm's on the wide end, and found out much more useful than the 5 on the long end...with crop cameras, this makes quite a difference.

This lens is quite usable and performs nicely wide open, but at f/4, the Sigma performs consistently, and is always very sharp, as the DOF is slight more forgiving.

The focus is what I label as "buzzy" sounding. It focuses quickly, but is not silent like a Canon true USM lens. It's too bad Sigma did not include HSM in this version, but it's probably one of the reasons it's priced that way it is as well.

I have used this lens on both my 20D and my MkII without any problems. I thought I was having focus issues when using my external flash, sent the lens in for repair, they re-chipped it, then I found out later I had a setting wrong on my flash....really stupid on my part, but demonstrated great service on Sigma's part.

82mm filters are quite pricey for good quality.

Overall, it's a really solid performer, and for the price, is in my oppinion, the best value out this focal range of course.


Canon EOS 20D

Review Date: Nov 17, 2004 Recommend? yes | Price paid: $1,999.00 | Rating: 10 

Pros: Fast and accurate focus, super clean high ISO images, takes advantage of high speed cards, 5 fps, joystick controller, instant on, instant review, higher flash.
No ISO in viewfinder, lower quality battery grip (than 10D)

Moved from Drebel to a 10D to a 20D in about 7 months....this stems for a love of gadgets, and a love for photography.

Each of these steps was well worth it, but the step from the Drebel to the 10D was a larger one than 10D to 20D. I'd say that for twice the price of a used 10D, the 20D does not really offer greater value, unless you are a sport-shooter, or require this camera to generate $$$.

That said, there are some fantastic features on this new camera that made the jump up 100% worthwhile. The cleaner high ISO images are by far, the single nicest feature/benefit for me. I would rather bump up the ISO, than use a flash if possible...this camera makes it work more times than not. Much better than my previous 10D.

The focus is much faster and accurate than my 10D as well....very nice for a father of 3 yr old twins boys, who NEVER sit still!

The instant on, and instant review are also excellent and well used features. I do wish there was a button to magnify the image to full size in one step, rather than pushing that little magnify button a bunch of times.....minor detail.

The camera is simply fantastic to use, and I love it....a day does not go by where I don't take picture with it.