Tamron 20mm or 17-28mm.

Started 8 months ago | Discussions
paul cool
paul cool Senior Member • Posts: 2,831
Re: Tamron 20mm or 17-28mm.

ukbassman wrote:

I think you'll still get a years warranty with and through e-infin but nothing though Tarmon. They are more reliable than Samyang though, so can't imagine you'll have many issues; I have time on my side so going to hold out until the Christmas sales to see if the 17-28 and 28-75 drop in price enough in the UK to temp me in!

Maybe best to wait for black friday deals i will hold of future purchases for some of these deals,

https://www.flickr.com/photos/58365044@N05/

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travelinbri_74
travelinbri_74 Veteran Member • Posts: 4,188
Re: Tamron 20mm or 17-28mm.
2

I took the Tamron 17-28 out last night for sunset, really happy with this lens. A few pics below:

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istreetshooter Regular Member • Posts: 280
Re: Tamron 20mm or 17-28mm.

I had my hands on the 17-28 the other day and was disappointed by the feel of the zooming and focusing. To me, they felt like they belonged on a cheap kit lens. I like the feel of the Sony kit lens better.

I know optics and focus speed will be a priority to people, but I was worried about durability.

shadowlands
shadowlands Senior Member • Posts: 1,186
Re: Tamron 20mm or 17-28mm.
1

I went with the 20mm because I don't go ultra wide that often, but it's there, if I need it.

And it's smaller, lighter and less costly.

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Sony A7 III
Tamron 20mm F2.8 Di III OSD
Tamron 28-75mm F2.8 Di III RXD
Sony FE 70-200mm F4 G OSS
Godox TT350S

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BrentSchumer
BrentSchumer Senior Member • Posts: 3,458
Re: Tamron 20mm or 17-28mm.

shadowlands wrote:

I went with the 20mm because I don't go ultra wide that often, but it's there, if I need it.

And it's smaller, lighter and less costly.

Does it look like a real 20mm to you or more like 21mm?  I heard that the field of view is narrower after massive geometric corrections.

 BrentSchumer's gear list:BrentSchumer's gear list
Sony RX100 VI Sony a7R III Sony FE 55mm F1.8 Tamron 20mm F2.8 Di III OSD
shadowlands
shadowlands Senior Member • Posts: 1,186
Re: Tamron 20mm or 17-28mm.

BrentSchumer wrote:

shadowlands wrote:

I went with the 20mm because I don't go ultra wide that often, but it's there, if I need it.

And it's smaller, lighter and less costly.

Does it look like a real 20mm to you or more like 21mm? I heard that the field of view is narrower after massive geometric corrections.

I don't have anything else to put it up against.

-- hide signature --

Sony A7 III
Tamron 20mm F2.8 Di III OSD
Tamron 28-75mm F2.8 Di III RXD
Sony FE 70-200mm F4 G OSS
Godox TT350S

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Impulses Veteran Member • Posts: 7,790
Re: Tamron 20mm or 17-28mm.

BrentSchumer wrote:

shadowlands wrote:

I went with the 20mm because I don't go ultra wide that often, but it's there, if I need it.

And it's smaller, lighter and less costly.

Does it look like a real 20mm to you or more like 21mm? I heard that the field of view is narrower after massive geometric corrections.

Two things, I think it's a little wider actually (one of the reviews I read seemed pretty clear on that), tho I can double check against my 17-28... Second, stated focal length is usually factored after lens corrections have been applied, tho I guess there's always exceptions.

I don't recall it needing that much geometric corrections tbh (not like the Tamron zoom which has some funky mustache distortion going on), but I could be misremembering. Dustin Abott's review should have corrected/uncorrected distortion tests against a chart.

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BrentSchumer
BrentSchumer Senior Member • Posts: 3,458
Re: Tamron 20mm or 17-28mm.

Dustin skewered the 20mm lens for distortion but otherwise gave it high marks.

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Impulses Veteran Member • Posts: 7,790
Re: Tamron 20mm or 17-28mm.

BrentSchumer wrote:

Dustin skewered the 20mm lens for distortion but otherwise gave it high marks.

Oh wait, I got all mixed up, I was talking about the Sony but the thread is obviously about the Tamron, my bad. I don't own the latter, but yeah... Normally I don't think the focal length fudging everyone does is very significant but when comparing a prime that's slightly over X and one that's slightly under X (specially for UWAs), then I guess the difference might stand out more.

The Tamron f2.8 primes just look needlessly bulky to me, for f2.8s w/o the best AF...

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BrentSchumer
BrentSchumer Senior Member • Posts: 3,458
Re: Tamron 20mm or 17-28mm.
1

Impulses wrote:

BrentSchumer wrote:

Dustin skewered the 20mm lens for distortion but otherwise gave it high marks.

Oh wait, I got all mixed up, I was talking about the Sony but the thread is obviously about the Tamron, my bad. I don't own the latter, but yeah... Normally I don't think the focal length fudging everyone does is very significant but when comparing a prime that's slightly over X and one that's slightly under X (specially for UWAs), then I guess the difference might stand out more.

The Tamron f2.8 primes just look needlessly bulky to me, for f2.8s w/o the best AF...

I've been leaning towards the Sammy 18mm AF, but I really hate the idea of a QC-return dance. I don't shoot UWA wide open very much, and if I am it's almost certainly going to be with a subject near the center. A tiny UWA is a perfect supplemental lens.

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Sony RX100 VI Sony a7R III Sony FE 55mm F1.8 Tamron 20mm F2.8 Di III OSD
ChapelThrill23 Senior Member • Posts: 1,164
Re: Tamron 20mm or 17-28mm.
1

rgwaller1 wrote:

I need help deciding between these two lenses for time lapse and sunrise and sunset photography. My price range is between 300 and 900 dollars.

Personally I'd go with the 17-28. It is a much more versatile lens.

QuietOC
QuietOC Veteran Member • Posts: 4,703
Re: Tamron 20mm or 17-28mm.

shadowlands wrote:

BrentSchumer wrote:

shadowlands wrote:

I went with the 20mm because I don't go ultra wide that often, but it's there, if I need it.

And it's smaller, lighter and less costly.

Does it look like a real 20mm to you or more like 21mm? I heard that the field of view is narrower after massive geometric corrections.

I don't have anything else to put it up against.

It is a wide 20mm even after corrections. I have compared it to other 20mm primes.

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BrentSchumer
BrentSchumer Senior Member • Posts: 3,458
Re: Tamron 20mm or 17-28mm.

QuietOC wrote:

shadowlands wrote:

BrentSchumer wrote:

shadowlands wrote:

I went with the 20mm because I don't go ultra wide that often, but it's there, if I need it.

And it's smaller, lighter and less costly.

Does it look like a real 20mm to you or more like 21mm? I heard that the field of view is narrower after massive geometric corrections.

I don't have anything else to put it up against.

It is a wide 20mm even after corrections. I have compared it to other 20mm primes.

Good to hear.  This will likely be a pickup to share filters with the 28-200mm that I plan on getting.

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Sony RX100 VI Sony a7R III Sony FE 55mm F1.8 Tamron 20mm F2.8 Di III OSD
QuietOC
QuietOC Veteran Member • Posts: 4,703
Re: Tamron 20mm or 17-28mm.
1

I've now compared the 17-28 to my primes and zooms in that range. It compares well with all of them. You can skip the budget 18, 20, 24, and 28 mm primes if you don't mind a somewhat bulky zoom.

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rgwaller1
OP rgwaller1 Veteran Member • Posts: 3,992
Re: Tamron 20mm or 17-28mm.

Thanks I will give it a look.

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BrentSchumer
BrentSchumer Senior Member • Posts: 3,458
Re: Tamron 20mm or 17-28mm.

Question: Is anyone using the Tamron 20mm in Capture One?  It seems to think that the lens is the Sony 20mm F2.8.  I can change to the manufacturer's profile to get the "real" correction, but there must be a way to skip that step for every image.

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Sony RX100 VI Sony a7R III Sony FE 55mm F1.8 Tamron 20mm F2.8 Di III OSD
Euell Veteran Member • Posts: 4,774
Re: Tamron 20mm or 17-28mm.

BrentSchumer wrote:

Question: Is anyone using the Tamron 20mm in Capture One? It seems to think that the lens is the Sony 20mm F2.8. I can change to the manufacturer's profile to get the "real" correction, but there must be a way to skip that step for every image.

Parenthetically, DxO Photolab insists that a Voigtlander 50mm F2 Lanthar cannot be anything other than a Zeiss Loxia 50mm f2.

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BrentSchumer
BrentSchumer Senior Member • Posts: 3,458
Re: Tamron 20mm or 17-28mm.

Euell wrote:

BrentSchumer wrote:

Question: Is anyone using the Tamron 20mm in Capture One? It seems to think that the lens is the Sony 20mm F2.8. I can change to the manufacturer's profile to get the "real" correction, but there must be a way to skip that step for every image.

Parenthetically, DxO Photolab insists that a Voigtlander 50mm F2 Lanthar cannot be anything other than a Zeiss Loxia 50mm f2.

Good to know.  Also, congrats on what looks like an insane lens.

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Sony RX100 VI Sony a7R III Sony FE 55mm F1.8 Tamron 20mm F2.8 Di III OSD
QuietOC
QuietOC Veteran Member • Posts: 4,703
Re: Tamron 20mm or 17-28mm.

BrentSchumer wrote:

Question: Is anyone using the Tamron 20mm in Capture One? It seems to think that the lens is the Sony 20mm F2.8. I can change to the manufacturer's profile to get the "real" correction, but there must be a way to skip that step for every image.

We probably need to bring it up with Phase One. Both lenses have the same "Lens Info" and "Lens Spec" EXIF tags. But the Tamron and Samyang 24mm primes get correctly identified by their "Lens Model" EXIF fields despite having the same "Lens Info" and "Lens Spec." The Samyang 18mm F2.8 gets misidentified as the Batis.

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ChapelThrill23 Senior Member • Posts: 1,164
Re: Tamron 20mm or 17-28mm.

"I've now compared the 17-28 to my primes and zooms in that range. It compares well with all of them. You can skip the budget 18, 20, 24, and 28 mm primes if you don't mind a somewhat bulky zoom."

The one it could never replace in my collection is the Voightlander 21 3.5. The sunstars from that lens are divine.

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