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Which L lenses for the 5DS or 5Ds R
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Apr 27, 2015 09:17:29   #
dkguill Loc: Elkhart, IN
 
pithydoug wrote:
just curious you have a 5 and 7d, so other than 50 MP raw file why the DS? Are you doing road side signs?


Actually, my business clients are mostly musical instrument manufacturers requiring maximum detail in very high quality images and often using those images in rather large print applications for trade shows and artist posters. Photos of their products could appear in brochures, on the walls of dealer showrooms, or on the side of a truck for that matter. The idea of being able to offer higher resolution images with exceptional detail is appealing. I can see an advantage to being able to crop these large images to call out extreme feature detail without having to add excessively to my clients' costs and size of their image archive. While the cost of the higher resolution images would be greater, the flexibility of capturing images from within larger images would offer offsetting economies. I may be shooting highly reflective metal instruments one day and portraits of their performing artists the next. Ninety-nine percent of this kind of work, of course, is created in the studio with the benefit of strobe lighting. High ISO capabilities are almost never the issue. I shoot almost always at 100 ISO thus the low light and noise issues some colleagues may experience are not normally issues of mine. For these reasons I feel that the 5Ds may give my clients an added advantage. The question of lens requirements to achieve the IQ levels I want is a serious consideration if I am to invest in the 5DS. At the same time, this hi-res capability may be achievable without needing to make a much larger investment in medium format solutions.

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Apr 27, 2015 09:17:50   #
Haydon
 
Edmund Dworakowski wrote:
I upgraded to a Nikon D800 a while back and found out that these high MP cameras demand the very best glass available.
Remember that Best does not necessarily mean Most Expensive. I'd keep an eye on reviews from DXOmark and (bite my tongue) Ken Rockwell. Don't forget Third Party mfgrs. like Tamron and Sigma Art lenses which have really come a very long way...


A good friend of mine upgraded to a D800 a while back and became frustrated quickly. He had to upgrade his glass substantially to take advantage of the increased resolution. I'm sure when they 5Ds/r is released you will see that the flaws will be magnified with inferior glass.

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Apr 27, 2015 09:26:06   #
dkguill Loc: Elkhart, IN
 
Haydon wrote:
A good friend of mine upgraded to a D800 a while back and became frustrated quickly. He had to upgrade his glass substantially to take advantage of the increased resolution. I'm sure when they 5Ds/r is released you will see that the flaws will be magnified with inferior glass.


I suspect you are correct about the glass quality. Ergo my original question about my current lenses prior to making the purchase. I think the wise course was suggested earlier by LFingar. I don't need to jump in right now if I can surpress the GAS attack I seem to be having.

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Apr 27, 2015 09:34:45   #
Architect1776 Loc: In my mind
 
dkguill wrote:
I have read here on the forum and in other places that the new 5DS or 5DS R requires L lenses to resolve images at 50 mp. I'm considering buying the camera and I own 2 "L" lenses. The question is...will they be adequate? I currently own a 24-105L and a 28-300L. Since most of my work is in the studio shooting product, I'm expecting that the 24-105 L will continue to work well with the new 5DS. I have a 5D Mk2 and a 7D Mk2 for other work. So will the 2 L lenses I have do the job? If I have to buy another lens, what should it be?
I have read here on the forum and in other places ... (show quote)


If you have a film camera do some resolution tests with it. The DXO Mark tells you nothing as it is using sensors and they seem to do pretty poorly on most evaluations.
Fine grained film will provide the answer.

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Apr 27, 2015 10:04:23   #
imagemeister Loc: mid east Florida
 
dkguill wrote:
I have read here on the forum and in other places that the new 5DS or 5DS R requires L lenses to resolve images at 50 mp. I'm considering buying the camera and I own 2 "L" lenses. The question is...will they be adequate? I currently own a 24-105L and a 28-300L. Since most of my work is in the studio shooting product, I'm expecting that the 24-105 L will continue to work well with the new 5DS. I have a 5D Mk2 and a 7D Mk2 for other work. So will the 2 L lenses I have do the job? If I have to buy another lens, what should it be?
I have read here on the forum and in other places ... (show quote)


NO - The lenses you now have are at the lower end of the "L" spectrum - you will need lenses at the high end of the "L" spectrum or the very best non-Canon primes in order to begin to extract the image quality of the sensor and get your money's worth.

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Apr 27, 2015 11:42:43   #
dkguill Loc: Elkhart, IN
 
imagemeister wrote:
NO - The lenses you now have are at the lower end of the "L" spectrum - you will need lenses at the high end of the "L" spectrum or the very best non-Canon primes in order to begin to extract the image quality of the sensor and get your money's worth.


Thanks for the input. Can you recommend what lens/s would qualify as the high end of the canon list? Is the barometer of quality the price? or are there some in between lenses that rise to the occasion?

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Apr 27, 2015 11:52:17   #
imagemeister Loc: mid east Florida
 
dkguill wrote:
Thanks for the input. Can you recommend what lens/s would qualify as the high end of the canon list? Is the barometer of quality the price? or are there some in between lenses that rise to the occasion?


With Canon and Zeiss especially, price will equal the quality. Sigma ART has some worthy lenses for slightly less $$. The Canon 24-70 II is especially nice for a zoom.

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Apr 27, 2015 12:05:22   #
JohnCl Loc: Central Arizona
 
I believe this is a question of lines per millimeter. How many l/mm can a 50 mp FF sensor resolve? Then which lenses can resolve that many l/mm? Does anybody, ie DXO, provide that information?

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Apr 27, 2015 13:06:43   #
bwana Loc: Bergen, Alberta, Canada
 
dkguill wrote:
I have read here on the forum and in other places that the new 5DS or 5DS R requires L lenses to resolve images at 50 mp. I'm considering buying the camera and I own 2 "L" lenses. The question is...will they be adequate? I currently own a 24-105L and a 28-300L. Since most of my work is in the studio shooting product, I'm expecting that the 24-105 L will continue to work well with the new 5DS. I have a 5D Mk2 and a 7D Mk2 for other work. So will the 2 L lenses I have do the job? If I have to buy another lens, what should it be?
I have read here on the forum and in other places ... (show quote)


I don't really see why any good Canon full frame lens would not be adequate? The sensor pixel size of the two cameras is no smaller than that used in the 7D II and it doesn't require a rethink of the lenses required.

bwa

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Apr 27, 2015 13:23:18   #
Jer Loc: Mesa, Arizona
 
My understanding is that you need the newest copies of Canon lens for those cameras. If there is a version II of a lens, I'm told that they will give you the best results.

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Apr 27, 2015 13:23:40   #
Architect1776 Loc: In my mind
 
bwana wrote:
I don't really see why any good Canon full frame lens would not be adequate? The sensor pixel size of the two cameras is no smaller than that used in the 7D II and it doesn't require a rethink of the lenses required.

bwa


:thumbup:

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Apr 27, 2015 15:33:21   #
Haydon
 
Two of the zoom lenses I remember being mentioned were the 24-70 2.8 L II and the 70-200 2.8 L II. I would agree with Larry that prime L lenses would also be a good choice. Keep in mind the 24-105L f4 is an old design and won't likely qualify extracting the full benefit.

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Apr 27, 2015 15:34:43   #
Haydon
 
Two of the zoom lenses I remember being mentioned were the 24-70 2.8 L II and the 70-200 2.8 L II. I would agree with Larry that prime L lenses would also be a good choice. Keep in mind the 24-105L f4 is an old design and won't likely qualify extracting the full benefit.

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Apr 27, 2015 19:10:22   #
lukan Loc: Chicago, IL
 
Haydon wrote:
Two of the zoom lenses I remember being mentioned were the 24-70 2.8 L II and the 70-200 2.8 L II. I would agree with Larry that prime L lenses would also be a good choice. Keep in mind the 24-105L f4 is an old design and won't likely qualify extracting the full benefit.


Forget the 24-105L on the new full frames. It's too soft. It's good on the APS-C sensor cameras, because it cuts the center sweet spot out of the lens.

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Apr 27, 2015 19:26:13   #
Haydon
 
lukan wrote:
Forget the 24-105L on the new full frames. It's too soft. It's good on the APS-C sensor cameras, because it cuts the center sweet spot out of the lens.


Agreed Lukan, I wasn't endorsing the lens for the 5Ds/r. When I saw the MTF and was interested in this focal range I bypassed it and bought the 24-70 2.8 L II for that very reason.

SS loves the 24-105L f4 lens btw...Ahhhh we need to be quiet!

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