Canon EF-S 10-22mm vs. Tokina 11-16mm -> FIGHT!

[btaylor]

I like Sandisk cards as I've got plenty and have never had a card fail. I use a Sandisk Extreme Pro 90mb/s compact flash cards in my 5D Mark II.

However the 550D uses SD cards, for video I would recommend Sandisk Extreme Pro SDHC/SDXC 95mb/s card. Capacity is your choice but I'd go for either 16gb or 32gb.

[neuroanatomist]

I generally prefer Sandisk, Lexar is also reliable. I'd stay away from Transcend, Kingston, etc. 30 Mb/s is fine for video. Faster than that means less time downloading the images/video to your computer, but will otherwise not make much difference for shooting.

[DJ 86]

well, i also need some info on UV filters.
i want to get a UV filter for lens protection. As all you seniors advice for a UV filter for lens protection, i wanna get one.
i have checked with HOYA 72mm UV filter. there are 2 models,

Hoya 72mm Ultraviolet UV Haze HD (High Density) Digital Glass Filter (http://www.bhphotovideo.com/c/produc..._Haze.html)and

Hoya 72mm Ultraviolet (UV) Pro 1 Digital Filter.(http://www.bhphotovideo.com/c/produc...violet_UV.html)

which one to get?
which performs best?

[rohan.jadhav1980]

With the digital sensors nowadays being so insensitive to the UV rays, is a UV filter even required for a DSLR? And does a lens front element really need a protection and would a UV filter provide it at all? Is it worth spending on such a UV filter risking image quality?

[ahab1372]

i want to get a 16gb card, as i fall short of my stock 4gb card when taking videos. i can find transcend, sandisk and other brands with high writing speed of 25,30 and 40mb/s. please recommend which is best for my 550D.

I bought a PHY 32GB and it is a big failure for video. I get the "Movies stopped recording..." error most of the times.

[DavidEccleston]

The T1i (I think that's a 500D) says you want a class 6 card minimum for video work. I imagine the 550D wants something similar. It should say in the manual.

[DJ 86]

i want to ask, whether transcend cards are good??
i saw a card of class 10, but it was 25mb/sec. am a bit confused for cards, as the class 10 cards comes with 25mbps to 95mbps. then how are classes defined? class10 or class6? and is 25mbps sufficient? transcend has a lifetime warranty and sandisk has 5 years warranty.
does T2i or T3i support 32gb card??

[DavidEccleston]

from http://sd-cards-explained.articles.r-tt.com/, basically it's class = minimum of read or write speed in Mbps. If someone gives you an x rating, such as 20x, that will be 1.2 Mbps * xrating, but they're usually skirting the rules to give you a maximum speed, which is going to be based read speeds, not write speeds.

[Dave Throgmartin]

With the digital sensors nowadays being so insensitive to the UV rays, is a UV filter even required for a DSLR? And does a lens front element really need a protection and would a UV filter provide it at all? Is it worth spending on such a UV filter risking image quality?

I'm still kind of worried about accidentally scratching the front element on my 135L so I bought a Marumi DHG Super Lens Protect Filter. I haven't noticed a negative impact to image quality.

http://www.amazon.com/s/ref=nb_sb_no...protect+filter

Dave

[DJ 86]

a query regarding memory card,

i dont know the diff between these 2 cards below,

http://www.adorama.com/IDSSD16GE3.html

http://www.adorama.com/IDSDUIC1016.html

please explain me the difference. and for the price of 32gb 30mbps card i can get 16gb 45mbps card in sandisk. so which is preferable for my T2i?