Wide angle lens choice between Sigma 10-20 mm & Tamron 12-24mm: I am going to Paris & Rome in June and in the market to get a wide angle lens for my Pentax K3. I am currently looking...

shangyrhee Loc: Nashville TN to Sacramento CA

I am going to Paris & Rome in June and in the market to get a wide angle lens for my Pentax K3. I am currently looking at Sigma 10-20mm & Tamron 12- 24mm.I would appreciate you personal experiences & recommendations. Thank you, Shang

WayneT Loc: Paris, TN

You also might want to look at the Tokina 11-20mm f2.8.

https://www.bhphotovideo.com/c/search?Ntt=Tokina+11-20mm+f2.8&N=0&InitialSearch=yes&sts=ma&typedValue=&Top+Nav-Search=

shangyrhee Loc: Nashville TN to Sacramento CA

Thank you WayneT for your prompt response. I will do. Shang

Jakebrake Loc: Broomfield, Colorado

I have the Sigma 10-20 f/4-5 and couldn't be more pleased with the images this lens produces. I purchased mine in like new pristine condition at substantial savings off of ebay. If memory serves, it lists for $500, and I got mine for a little over $300. Best of luck in your quest for a wide.

mas24 Loc: Southern CA

Wide angle lenses work better on a full frame camera. On a crop sensor, you would like to go for the widest. Some results are different with various crop sensor cameras. Read reviews on both. You want sharpness before width. There's only 2mm difference between the two lenses. Not an awful lot.

shangyrhee Loc: Nashville TN to Sacramento CA

Thank you so much for your info & rec. Shang

Johanna Loc: Albuquerque, NM

I have e Tamron SP 15-30mm F/2.8 Di VC and love it on my full frame D750.

Architect1776 Loc: In my mind

shangyrhee wrote:

I am going to Paris & Rome in June and in the market to get a wide angle lens for my Pentax K3. I am currently looking at Sigma 10-20mm & Tamron 12- 24mm.I would appreciate you personal experiences & recommendations. Thank you, Shang

I would go the widest 10-20mm. Tight spaces need the width. I am sure you have other lenses that cover the longer lengths.

D.T.

Your focal length for a 4/3 d's camera generally goes up by 50%.
If I were in your shoes, I'd choose the wider of the two.
To optimize the lens,I would probably go up 2 stops whenever possible.
Enjoy!

DWU2 Loc: Phoenix Arizona area

The Sigma is my go-to lens for wide angle work. I like it a lot. Also, since the K-3 is a crop sensor camera, at the 10mm setting you get ~15mm effective, while the Tamron only provides ~18mm effective.

shangyrhee Loc: Nashville TN to Sacramento CA

Thank you for your infos & advises . Shang

MT Shooter Loc: Montana

shangyrhee wrote:

I am going to Paris & Rome in June and in the market to get a wide angle lens for my Pentax K3. I am currently looking at Sigma 10-20mm & Tamron 12- 24mm.I would appreciate you personal experiences & recommendations. Thank you, Shang

No such lens as a 12-24mm from Tamron, that would be a Tokinas lens. Tamron does make a 10-24mm which is a fine lens, and a new G2 version of it was just released. The Sigma is the slowest focusing of all these lenses and also has the worst CA. The Tokinas 11-20mm is a fixed F2.8 aperture and probably the best overall choice in this range, albeit also the most expensive of them.
Unfortunately for you, your Pentax mount takes away some of the choices in these aftermarket lenses.

LoneRangeFinder Loc: Left field

shangyrhee wrote:

I am going to Paris & Rome in June and in the market to get a wide angle lens for my Pentax K3. I am currently looking at Sigma 10-20mm & Tamron 12- 24mm.I would appreciate you personal experiences & recommendations. Thank you, Shang

. Either one will work, however neither will be sufficient is some cases. I would plan to take several series with the intention of stitching them later. There are many interior moments when neither of these options will capture the scene before you. The Pantheon is one example. So is the Coliseum.... or the view from St Peters.....

shangyrhee Loc: Nashville TN to Sacramento CA

MT Shooter wrote:

No such lens as a 12-24mm from Tamron, that would be a Tokinas lens. Tamron does make a 10-24mm which is a fine lens, and a new G2 version of it was just released. The Sigma is the slowest focusing of all these lenses and also has the worst CA. The Tokinas 11-20mm is a fixed F2.8 aperture and probably the best overall choice in this range, albeit also the most expensive of them.
Unfortunately for you, your Pentax mount takes away some of the choices in these aftermarket lenses.

Thank you ,MT Shooter for your infos. I will look into Tamron10-24mm & Toking 12-24mm. Shang

shangyrhee Loc: Nashville TN to Sacramento CA

LoneRangeFinder wrote:

. Either one will work, however neither will be sufficient is some cases. I would plan to take several series with the intention of stitching them later. There are many interior moments when neither of these options will capture the scene before you. The Pantheon is one example. So is the Coliseum.... or the view from St Peters.....

Than you for the valuable infos. Shang