15-85 or 17-70

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Leo_B
Leo_B Regular Member • Posts: 407
15-85 or 17-70

If you were choosing between these two lenses for a broader coverage option to the 18-55 which would you choose and why?

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FooHead Regular Member • Posts: 396
Re: 15-85 or 17-70
1

Leo_B wrote:

If you were choosing between these two lenses for a broader coverage option to the 18-55 which would you choose and why?

Neither. I would take an 18-135 for the extra reach.

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Lemming51
Lemming51 Forum Pro • Posts: 15,082
Re: 15-85 or 17-70
1

FooHead wrote:

Leo_B wrote:

If you were choosing between these two lenses for a broader coverage option to the 18-55 which would you choose and why?

Neither. I would take an 18-135 for the extra reach.

I chose and would choose again the EF-S 15-85.  Because 17/18-xxx isn't wide enough and the 85 long end gives better overlap with my 55-250 and 70-200L.

I'm not interested in video.  If I was, then a compelling case could be made for the 18-135 STM or nano-USM models over the ring-USM of the 15-85 or the HSM Sigma.

IMHO, YMMV.

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Leo_B
OP Leo_B Regular Member • Posts: 407
Re: 15-85 or 17-70

I have no interest in doing video although if I ever get to see my grandkids that might change. It doesn't factor into choosing though. In an ideal world I'd have something like a 12-120f4 that weighs no more than maybe 400 grams.

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IR1234 Senior Member • Posts: 1,545
Re: 15-85 or 17-70

Leo_B wrote:

If you were choosing between these two lenses for a broader coverage option to the 18-55 which would you choose and why?

15-85. Broader. Longer. Love the 15-85 which is why we have 3 in the main business. Maybe pick up another before summer is out.

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MisterBG Veteran Member • Posts: 6,740
Re: 15-85 or 17-70
1

Leo_B wrote:

If you were choosing between these two lenses for a broader coverage option to the 18-55 which would you choose and why?

I have the 15-85 and it's my most used lens on a crop body.
Great IQ, good performance at the wide end and I've never felt limited on the long end.
If I need more reach I have the 70-200 available.

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threw the lens
threw the lens Senior Member • Posts: 1,408
Re: 15-85 or 17-70

I liked the 17-85 but I read complaints that it had chromatic aberration.

If you can get it at $100 it's a good buy.

tonym38 Forum Member • Posts: 81
Re: 15-85 for travel purposes

I chose the 15-85 over the 18-55 and 18-135 for use as a travel lens because I wanted something wider than 18mm.  Many years ago I used a 10D with a 28-135 as my travel kit, then upgraded to a 40D with a 17-40L.  I now use a 77D together with the 15-85 and that suits me perfectly.  The 15-85 is heavier and more expensive, but in my opinion well worth it.  The IQ is very good.  I cannot comment on the 17-70 because I have no experience of that lens.

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BAK Forum Pro • Posts: 24,848
Re: 15-85 or 17-70

So would I.

BAK

Jon_T
Jon_T Veteran Member • Posts: 4,487
Re: 15-85 or 17-70

I've had the the 15-85mm for years; IMHO great walk around lens with its 24-135mm EFL.

Paired with the 55-250mm IS STM, have a two-lens kit that provides 24-400mm EFL.

Just a note in case unaware, if you get a non-Canon lens you'll need to post process all your images to correct for lens distortions, vignetting, CA, etc.

Cheers,
Jon

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Leo_B
OP Leo_B Regular Member • Posts: 407
Re: 15-85 or 17-70

Jon_T wrote:

Just a note in case unaware, if you get a non-Canon lens you'll need to post process all your images to correct for lens distortions, vignetting, CA, etc.

Cheers,
Jon

It seems like they would soon not be selling any lenses if people learn they can't just take a photo and be done. It seems difficult to believe they would do that.

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Jon_T
Jon_T Veteran Member • Posts: 4,487
Re: 15-85 or 17-70

Leo_B wrote:

Jon_T wrote:

Just a note in case unaware, if you get a non-Canon lens you'll need to post process all your images to correct for lens distortions, vignetting, CA, etc.

Cheers,
Jon

It seems like they would soon not be selling any lenses if people learn they can't just take a photo and be done. It seems difficult to believe they would do that.

If by "they" you mean the third-party lens mfgs., its not their fault.

Camera mfgs. have their camera proprietary engineering/ designs copyrighted, and cannot be legally copied; i.e., lenses, flashes, etc.

All third-party mfgs. that make lenses, flashes, etc. have to do "reverse engineering" to engineer/ design lenses, flashes, etc. to work with different camera brands without copying proprietary/ copyrighted of the different camera brands.

Nothing new — Ditto as to third party lenses/ flashes having operational issues (e,g.. AF) when Canon, Nikon, etc. upgrades "their" camera's hardware and/ or firmware.

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maarensv
maarensv Contributing Member • Posts: 902
Re: 15-85 or 17-70

15-85 for sure. The 2mm less at the wide end makes a difference, lens corrections are applied automatically and this lens is plain sharp. It is an older lens design though, which  means that sample variance can be a thing, so be sure to check your copy for decentering.

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Jon_T
Jon_T Veteran Member • Posts: 4,487
Re: 15-85 or 17-70

maarensv wrote:

15-85 for sure. The 2mm less at the wide end makes a difference, lens corrections are applied automatically and this lens...

Only with newer DSLR's that the "Lens aberration corrections" settings that include correction for barrel distortion for JPG images.

Older DSLR's (e.g., 70D) "Lens aberration corrections" only corrects "Peripheral illumin." and "Chromatic aberration" — does NOT correct barrel distortion.

Jon

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Leo_B
OP Leo_B Regular Member • Posts: 407
Re: 15-85 or 17-70

I'm interested specifically on an 80D and the difference between $449 and $799. And any other options that should be considered that I haven't thought of or am not aware of.

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Jon_T
Jon_T Veteran Member • Posts: 4,487
Re: 15-85 or 17-70

Leo_B wrote:

I'm interested specifically on an 80D and the difference between $449 and $799. And any other options that should be considered that I haven't thought of or am not aware of.

Couple of the main differences longer zoom range 24-135mm EFL vs 27.2-112mm EFL, overall better sharpness, especially at max apertures.

Numerically 24mm vs. 27mm may not seem like much, much as to 24mm FOV is greater than 27mm; the-digital-picture.com 15-85mm review HERE has sample images taken with the 15-85mm different focal lengths (hence why all the 24-70mm, 24-105mm, etc lenses):

15-85mm @ 15mm (24mm EFL)

15-85mm @18mm ( 28.8mm EFL); similar WA FOV to 17-70mm

15-85mm @ 70nm (112mm EFL); same max tele FOV w/ 17-70mm

15-85mm @ 85mm (136mm EFL)

Can see IQ comparison between the 15-85mm and 17-70mm HERE.

The 15-85mm noticeably better at edges/ corners at max apertures,

15-85mm @ 15mm f/3.5

Sigma 17-70mm f/2.8-4 DC Macro OS 'C' @ 17mm f/2.8 (stopping down helps a little)

The Nikon 24-120mm been a popular walk-around/ travel lens over the years; as well as the Olympus 12-60mm (24-120mm EFL) for 4/3rd sensor cameras.

Cheers,
Jon

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maarensv
maarensv Contributing Member • Posts: 902
Re: 15-85 or 17-70

Jon_T wrote:

maarensv wrote:

15-85 for sure. The 2mm less at the wide end makes a difference, lens corrections are applied automatically and this lens...

Only with newer DSLR's that the "Lens aberration corrections" settings that include correction for barrel distortion for JPG images.

Older DSLR's (e.g., 70D) "Lens aberration corrections" only corrects "Peripheral illumin." and "Chromatic aberration" — does NOT correct barrel distortion.

Still, that is more than the 17-70, where no single correction finds place.

And second, when shooting RAW, it is also an advantage in Photoshop, Lightroom and/or DPP, as also here the auto correction applies, where the 17-70 has to be done by manually selecting the lensprofile.

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Jon_T
Jon_T Veteran Member • Posts: 4,487
Re: 15-85 or 17-70

maarensv wrote:

Jon_T wrote:

maarensv wrote:

15-85 for sure. The 2mm less at the wide end makes a difference, lens corrections are applied automatically and this lens...

Only with newer DSLR's that the "Lens aberration corrections" settings that include correction for barrel distortion for JPG images.

Older DSLR's (e.g., 70D) "Lens aberration corrections" only corrects "Peripheral illumin." and "Chromatic aberration" — does NOT correct barrel distortion.

Still, that is more than the 17-70, where no single correction finds place.

My point which I clearly noted was using the CANON 15-85mm on a CANON body for those that mainly shoot JPG.

My post/ point for users with older CANON DSLR's (e.g.,70D, etc.) reading your post could be misleading that "... corrections are applied automatically and this lens..." is incorrect.

Been using the 15-85mm for over 10 years with various Cannon DSLR's, IMHO the major issue for JPG shooters is the OOC JPG's with older CANON DSLR;s is the barrel distortion at 15mm.

I've recommend the 15-85mm many times over the years with the caveat for JPG shooters they may find the 15mm distortion objectionable.

... And second, when shooting RAW, it is also an advantage in Photoshop, Lightroom and/or DPP, as also here the auto correction applies, where the 17-70 has to be done by manually selecting the lensprofile.

I also shoot mainly RAW for years as the earlier DSLR's in-camera JPG did not provide ANY lens/ CA corrections.

For those that only shoot JPG, RAW not a viable solution/ helpful.

Jon

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maarensv
maarensv Contributing Member • Posts: 902
Re: 15-85 or 17-70

Jon_T wrote:

maarensv wrote:

Jon_T wrote:

maarensv wrote:

15-85 for sure. The 2mm less at the wide end makes a difference, lens corrections are applied automatically and this lens...

Only with newer DSLR's that the "Lens aberration corrections" settings that include correction for barrel distortion for JPG images.

Older DSLR's (e.g., 70D) "Lens aberration corrections" only corrects "Peripheral illumin." and "Chromatic aberration" — does NOT correct barrel distortion.

Still, that is more than the 17-70, where no single correction finds place.

My point which I clearly noted was using the CANON 15-85mm on a CANON body for those that mainly shoot JPG.

My post/ point for users with older CANON DSLR's (e.g.,70D, etc.) reading your post could be misleading that "... corrections are applied automatically and this lens..." is incorrect.

Been using the 15-85mm for over 10 years with various Cannon DSLR's, IMHO the major issue for JPG shooters is the OOC JPG's with older CANON DSLR;s is the barrel distortion at 15mm.

I've recommend the 15-85mm many times over the years with the caveat for JPG shooters they may find the 15mm distortion objectionable.

... And second, when shooting RAW, it is also an advantage in Photoshop, Lightroom and/or DPP, as also here the auto correction applies, where the 17-70 has to be done by manually selecting the lensprofile.

I also shoot mainly RAW for years as the earlier DSLR's in-camera JPG did not provide ANY lens/ CA corrections.

For those that only shoot JPG, RAW not a viable solution/ helpful.

Jon

OK, fair point, that older cameras do not correct as much as newer one, like the 80D. It is good to have that pointed out. Still true though that it is more than with the 17-70, where no single correction finds place 😬

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Jon_T
Jon_T Veteran Member • Posts: 4,487
Re: 15-85 or 17-70
1

maarensv wrote:

<SNIP>

.....Still true though that it is more than with the 17-70, where no single correction finds place 😬

😬 REALLY?

Apparently you did NOT read my first reply posted to OP which I had ALREADYposted the issue.

Been using various Canon film and digital camera's for over 48 years.

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