d0dg3r wrote:What aperture is the 10-18mm? And is having a large maximum aperture important to you?
They are three very different lenses. The 8mm will obviously have a lot of distortion so you need to work out if that's what you want. (There is software available to correct it but it's not perfect.)
The 50mm is very long on a crop body and is suitable for portraits but not so useful for exploring.
My recommendation would be to pick up a second hand Tokina 11-16mm 2.8. (It was my favourite exploring lens until it got stolen!)
The aperture is 4.5-5.6
unclehaggz wrote:I had the same decision a while back and settled for the 10-18 Canon lens @f4.5-f5.6, it has become my most used lens. I have witnessed hardly any image distortion at the edges of the lens and gives nice sharp images. I actually bought two of them one for my 60D and one for my son's 70D.
Being a Canon lens you get no issues and have image stabilisation, although you may want to turn it off for very long exposures (can induce blur), I hate the barrell effect that fish-eye lenses give but that's my preference!
Have fun in your choice of lens !!
UH
Canon 10-18 does look like an amazing lens, not to mention it's cheap price. Now deciding between the Canon 10-18mm f4.5-5.6 and the Sigma 10-20mm f/4-5.6 but I think I'll get the 10-18mm. Thank you!
cafecsk wrote:I upgraded from my canon kit 17-85 to a $300 10-20mm sigma and i've not used the kit lens since. 10-20mm is perfect for landscape and urban shots, however due to it's shallow depth of field it isn't ideal for portraits.
I just checked it out, looks pretty good! Now it's a toss up between the 10-18 or 10-20