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Author Topic: Sigma DP3 Merrill Experiences  (Read 254945 times)

joezl

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Re: Sigma DP3 Merrill Experiences
« Reply #420 on: October 19, 2014, 06:17:09 pm »

I'm tempted to purchase a DP3m from Japan but I'm concerned about converting the firmware from Japanese to English. Has anyone done this? Is it an easy process?
Thanks.
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Chrisso26

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Re: Sigma DP3 Merrill Experiences
« Reply #421 on: October 19, 2014, 07:47:19 pm »

Also, Merrill vs Quattro?
I know the DP3 Quattro isn't available yet, but based on DP2M vs DP2 Quattro?
I've read a few threads around the web, but debate often heads down a tangental rabbit hole.
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The Ute

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Re: Sigma DP3 Merrill Experiences
« Reply #422 on: October 19, 2014, 09:39:16 pm »

Piece of cake.

Just go into the menu system and change the language to English.

I had no problem w it.

:)
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joezl

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Re: Sigma DP3 Merrill Experiences
« Reply #423 on: October 20, 2014, 06:30:53 pm »

Thanks Ute. That's encouraging.
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Mark Muse

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Re: Sigma DP3 Merrill Experiences
« Reply #424 on: October 27, 2014, 02:00:09 pm »

A while ago (months) I saw something about the "need" to use UV filters with the DPxMs. I have looked since and can't find that comment or a reference to it. Can anyone shed light on this? Is there a visual impact on produced images resulting from using a UV filter on these cameras?

I am having a bit of a problem with color cast variation across the frame (magenta on the left, neutral in the center and red on the right) on my DP3M. Any chance this is the problem solved by adding a UV filter? If not, is anyone else having this issue?
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Alan Smallbone

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Re: Sigma DP3 Merrill Experiences
« Reply #425 on: October 27, 2014, 05:08:34 pm »

I have not seen any color casts with my DP3M, but maybe I have not noticed it. I too saw the post you are referring to, it was by Hulyss, and I sent him a message and he never responded. I have not heard it was needed by anyone else. I guess it would be an easy enough test, just try one. If you find it does be interesting to see the results.

Thanks,
Alan
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Alan Smallbone
Orange County, CA

Chrisso26

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Re: Sigma DP3 Merrill Experiences
« Reply #426 on: October 27, 2014, 05:24:14 pm »

My two (new to me) Merrill's both have UV filters, just to protect the lens more than anything.
haven't noticed any colourcast, but as above, I may not have looked closely enough.
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Hulyss

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Re: Sigma DP3 Merrill Experiences
« Reply #427 on: October 28, 2014, 04:50:57 am »

Color cast show when sensor is ageing. My Dp3m start to show color cast but after 30k shoots.
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Kind Regards -  Hulyss Bowman | hulyssbowman.com |

Slobodan Blagojevic

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Re: Sigma DP3 Merrill Experiences
« Reply #428 on: October 28, 2014, 12:11:08 pm »

Color cast show when sensor is aging...

What, they've been using Espon paper from 15 years ago as sensor!? ;D

K.C.

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Re: Sigma DP3 Merrill Experiences
« Reply #429 on: October 30, 2014, 11:56:29 pm »

Color cast show when sensor is ageing. My Dp3m start to show color cast but after 30k shoots.


Color casts, random or repeatable, have been a trait of the Foveon sensor in every camera Sigma has built. The Quattros are no execption.

I seriously doubt they're just now showing up in your DP3. Mine's had better color than my DP1/2 but has thrown some odd casts on a few images since it was new.

As to the OP's question, early on in some forum discussions there were users of the DP2M who felt the UV filter helped limit the magenta casts. I've never found that to be true but with such a high quality lens I felt it worth it to put a very good UV filter on it.
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XE11

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Re: Sigma DP3 Merrill Experiences
« Reply #430 on: October 31, 2014, 05:52:31 am »

i start to suspect it;s sigma's glass. i had a 30mm F1.4 back in 2007, few years on, it's so yellow it's almost like having a mild yellow filter on at all time...  :o
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Mark Muse

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Re: Sigma DP3 Merrill Experiences
« Reply #431 on: October 31, 2014, 01:25:27 pm »

I am not talking about a uniform color cast, as in white balance, but a lack of uniformity from left to right across the frame. My DP3m has had this problem from new out of the box.
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Chrisso26

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Re: Sigma DP3 Merrill Experiences
« Reply #432 on: November 01, 2014, 05:28:50 pm »

i start to suspect it;s sigma's glass.

I have the Sigma 18-35 (Nikon mount) and it's superb. No colour cast.
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XE11

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Re: Sigma DP3 Merrill Experiences
« Reply #433 on: November 02, 2014, 07:42:36 am »

I have the Sigma 18-35 (Nikon mount) and it's superb. No colour cast.
is that new 18-35mm? i was referring to glass aging over time.  :)
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Chrisso26

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Re: Sigma DP3 Merrill Experiences
« Reply #434 on: November 02, 2014, 04:02:30 pm »

Yes, it's a year old.
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NancyP

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Re: Sigma DP3 Merrill Experiences
« Reply #435 on: November 02, 2014, 06:08:45 pm »

Glass aging yellow over time: that is due to either 1. cement between elements aging over time or 2. radioactive components in glass aging the actual glass
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K.C.

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Re: Sigma DP3 Merrill Experiences
« Reply #436 on: November 03, 2014, 07:15:30 pm »

Glass aging yellow over time: that is due to either 1. cement between elements aging over time or 2. radioactive components in glass aging the actual glass

Nah, if this was typical we'd have read multiple posts about the issue and those aging issues take a longer time.

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K.C.

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Re: Sigma DP3 Merrill Experiences
« Reply #437 on: November 03, 2014, 07:16:29 pm »

I am not talking about a uniform color cast, as in white balance, but a lack of uniformity from left to right across the frame. My DP3m has had this problem from new out of the box.

Exactly my point. The DP2/3Ms have had many reports of this issue. Not all of them, but more than a few.
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Alan Smallbone

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Re: Sigma DP3 Merrill Experiences
« Reply #438 on: November 04, 2014, 10:02:00 am »

I wonder if it is a problem with the lens coatings. I have not noticed it on my DP3M.

Alan
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Alan Smallbone
Orange County, CA

palpman

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Re: Sigma DP3 Merrill Experiences
« Reply #439 on: November 16, 2014, 05:25:41 am »

Some pics from my Icelandic trip in October (right-click -> view image for larger size):















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