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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 01 Aug 2006 (Tuesday) 17:05
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Affordable Fab Four -- Anchor Lens -- Sigma 20MM f/1.8

 
JimAskew
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Aug 01, 2006 17:05 |  #1

Hi,

For those of you who have been following the thread on the Fab Four I have all but decided to get the Sigma 20MM f/1.8 EX DG Aspherical RF as my "anchor" lens. This will give me an effective 32MM for those wide indoor shots :)

Now my question is does anyone have experience with this particular lens? This will be my first lens outside the Canon family and I have no experience with the Sigma line of lenses.

The 20MM f/1.8 gets good reviews and I like the photos I see made with it on pbase. Are there any cautions or warnings I need to be aware of?

Thanks,


Jim -- I keep the G5X in the Glove Box just in case!
7D, G5X, 10-22MM EF-S, 17-55MM f/2.8 EF-S IS, 24-105MM f/4 EF L

  
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Big ­ Hands
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Aug 01, 2006 17:17 |  #2

You already have:

18-55 kit
EF-S 10-22
EF-S 17-55 IS

not to mention:

EF 24-70 f/2.8L
EF 28-105

Wide indoor shots taken at f/1.8? Why? DOF at f/1.8 on a wide angle is a weird thing to shoot.

Does your 17-55 f/2.8 IS not get you to roughly the same point (or better) with IS (in most conditions)?

I've all but decided to get rid of my Sigma 30 f/1.4 because the 17-55 IS will do fine in most situations that I would shoot.


Canon 20D w/grip, 300D, Powershot SX100 w/HF-DC1 flash, Canon 70-200 f/2.8L, 85 f/1.8, 17-55 f/2.8 IS, 50 f/1.8, 580EX and some other stuff...

  
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JimAskew
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Aug 01, 2006 17:52 as a reply to  @ Big Hands's post |  #3

Big Hands wrote:
You already have:

...Does your 17-55 f/2.8 IS not get you to roughly the same point (or better) with IS (in most conditions)?

I've all but decided to get rid of my Sigma 30 f/1.4 because the 17-55 IS will do fine in most situations that I would shoot.

Big Hands,

I have found that I get better results with primes when shooting indoors w/o flash. I ran into this situation in July when I was taking candids at my Niece's wedding reception. I used my 50MM f/1.4 but on the RebelXT it was a tad long and I had trouble framing the shots I wanted. I used the 17-55MM EF-S IS in the church with good results but there I used the flash most of the time.

I am getting rid of the Kit lens, the 28-105MM, and (believe it or not) the 24-70MM "L". I get better results, at least to my eye, with the 17-55MM over the 24-70MM. My "cast off" lenses are going to my son...well maybe I have to think about the 24-70MM "L" for a while...


Jim -- I keep the G5X in the Glove Box just in case!
7D, G5X, 10-22MM EF-S, 17-55MM f/2.8 EF-S IS, 24-105MM f/4 EF L

  
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tellingthm
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Aug 01, 2006 17:56 |  #4

i had that lens for a while and had mixed feelings about it. the iq was great, and f/1.8 at 20mm (32mm on a 20d) really afforded me some shots that no other lens could. the close mfd was also pretty cool. it could focus on anything that basically wasn't touching the front element. it was perfect for shooting in dim-light indoors (bars, clubs, etc).
however, sigma's af/mf switch is very clumsy and awkward, and i just couldn't get used to it. the lack of usability on the lens really killed it for me. af was also pretty slow.

i suppose it's just another example of a lens that could be truly great if sigma got their act together- like putting HSM into all of their EX lenses!


i've made a huge mistake.

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Affordable Fab Four -- Anchor Lens -- Sigma 20MM f/1.8
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