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PostPosted: Mon Aug 13, 2012 12:04 pm 
I'm looking to add a bit more fire to my arsenal and purchase my first wide angle lens. I'm a bit confused as to the quality of some of these lenses though, and could use some advice as to which lens will give me the best bang for the buck.

I'm looking at the EF 28mm f/2.8 ($350), EF 28mm f/1.8 USM ($650), and EF 24mm f/2.8 ($550). All prices are from a local camera shop.

Before going into the specifics on each lens, I just want to make sure I'm correct with my coverage assumption. I'm using an EOS600D, which would have a crop factor of 1.6. Since these models aren't designated by an EF-S, the effective focal lengths for the above would be 44.8mm and 38.4mm on my camera, correct? It seems like none of Canon's wide angle lenses compensate for the smaller frame cameras, since none of the lineup on Canon's site are an EF-S model.

Now for the comparisons. First, with both of the 28mm lenses, the price just about doubles for the larger aperture. I like to have dramatic focusing when I take shots, but is this larger aperture really worth paying almost double for the same focal length? I know that the 1.8 will give me a larger depth of field and will take better shots in low light situations, but will it be that big of a difference to justify paying double the price?

Also...the USM factor. I'm really new to photography, and every time I've gone out I've kept my lenses on manual focus. I feel like a lot of times, the auto-focus doesn't always focus the subject how I want it focused, and I also just enjoy the manual focus more. Makes me feel like I'm doing more than just pointing and clicking. That being said, since the USM really just applies to the auto-focus feature, is it really worth it to spend extra for a function I would rarely use? I've also read a review stating that even though the f/2.8 has a conventional motor, the AF is actually quite fast.

Now with the 24mm, I know I'll be able to get a bit more of the scene into my shots. Comparing the lenses by price though, would it be worth it to spend the extra $200 for a bit wider of a lens with the same f-ratio, or $100 less for the wider lens and less of a maximum aperture?

Ok, and now for the real newbie question. Does a wide angle lens with max apertures like the ones above usually have a smaller minimum? This won't have any effect on my decision, its just more out of curiosity.

I'm not really looking to spend a ton of money here, but at the same time, I'm worried that if I do decide to go with the 28 f2.8, I may regret not spending the extra cash on a much better quality lens. All of your suggestions will be greatly appreciated, and thanks for bearing with this novel!


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PostPosted: Mon Aug 13, 2012 1:55 pm 
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Joined: Sun Dec 04, 2011 5:11 am
Posts: 78
Location: locust grove, GA
What lenses do you currently have?

With a cropped body, 28mm falls into "normal" focal lenses. If I want a prime, I would want the fastest lens I can afford, but consider 10-22 or 10-20 sigma for really wide angle shots.

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Olympus OM-D E-M5, Panasonic GF-3, Canon SX40HS

Panasonic Pancake 14mm f2.5, Panasonic Leica 25mm f1.4, Olympus Zuiko 75mm f1.8
Panasonic 14-42mm


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PostPosted: Tue Aug 14, 2012 10:49 pm 
I only have the kit lens and an efs 55-250 f/4-5.6, which i got with the camera in a package deal


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PostPosted: Wed Aug 15, 2012 1:16 am 
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Joined: Sun Dec 04, 2011 5:11 am
Posts: 78
Location: locust grove, GA
If your kit lens is 18-55, nothing you listed will be wider.

Consider well reputed websites like bhphotovideo.com or adorama.com because they will have cheaper price with no tax and most of the time free shipping! Good return policy as well.

I would recommend...
If you want ultra wide, efs 10-22 or sigma 10-20.
If you want walk about prime for your cropped body, 28mm 1.8 or sigma 30mm 1.4.

Good luck!

_________________
Olympus OM-D E-M5, Panasonic GF-3, Canon SX40HS

Panasonic Pancake 14mm f2.5, Panasonic Leica 25mm f1.4, Olympus Zuiko 75mm f1.8
Panasonic 14-42mm


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PostPosted: Wed Aug 15, 2012 9:15 am 
Thanks for the advice Thomas. My kit lens is indeed 18-55, and since I'm looking for a nice landscape lens for my travels, the ultra wide will be the lens to go for. I didn't even think about the cropped body until I started writing the original post. I appreciate the help man!


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PostPosted: Wed Aug 15, 2012 1:07 pm 
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Joined: Sun Nov 07, 2010 11:55 pm
Posts: 899
Location: SE Texas
I truly love my 10-22mm EF-S!

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Canon 7D/5D/40D/1D2N; Nikon F6, D700, FM3A, & Coolpix A; Canon 40mm 2.8 STM, 135L, 50L, 35L, 50mm 1.8 I, 100mm 2.8L Macro, 10-22mm EF-S, 28-135 EF, 400mm 5.6L; Nikkor 50mm 1.2 AI-S, 50mm 1.4G, 50mm 1.8D, 16mm 2.8D Fisheye, 180mm 2.8D, 100-300mm 5.6 AI-S, 18mm 2.8D, Voigtlander 90mm f/3.5 SL II


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PostPosted: Wed Aug 15, 2012 10:53 pm 
Yeah it seems to have gotten a few favorable reviews...do you guys find the edges of your shots a little distorted at times, since it's such a wide angle?


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PostPosted: Thu Aug 16, 2012 12:46 pm 
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Joined: Sun Nov 07, 2010 11:55 pm
Posts: 899
Location: SE Texas
All wide angle lenses will tend to distort just a bit, but that can be somewhat mitigated by keeping the camera as level as possible, and composing the image to minimize vertical lines at the edges.

_________________
Canon 7D/5D/40D/1D2N; Nikon F6, D700, FM3A, & Coolpix A; Canon 40mm 2.8 STM, 135L, 50L, 35L, 50mm 1.8 I, 100mm 2.8L Macro, 10-22mm EF-S, 28-135 EF, 400mm 5.6L; Nikkor 50mm 1.2 AI-S, 50mm 1.4G, 50mm 1.8D, 16mm 2.8D Fisheye, 180mm 2.8D, 100-300mm 5.6 AI-S, 18mm 2.8D, Voigtlander 90mm f/3.5 SL II


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PostPosted: Fri Aug 17, 2012 3:30 am 
Oh I see..I thought it may have been just with the lower end wide angles. Thanks for the tips!


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