Problems with new 18-135 lens on K5Mk2

Started 9 months ago | Questions
dartmoorman
Regular MemberPosts: 253
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Problems with new 18-135 lens on K5Mk2
9 months ago

I would appreciate advice as to what I or the camera are doing wrong. I have recently bought an 18-135 lens for my new K5 Mk 2. I am having problems with the sky which appears to be melting or layered both in the blue and cloud. It also prints like this. Is it me or the lens? Here is an example

Thanks

problems with sky

ANSWER:
Pentax K-5
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Brad99
Veteran MemberPosts: 3,074
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Re: Problems with new 18-135 lens on K5Mk2
In reply to dartmoorman, 9 months ago

Nice photo if it weren't for masses of jpg compression artefacts.  Cant say what you've done for sure, but it could be you've shot in RAW and what you're using is the embedded jpg rather than a RAW conversion, or if shooting JPG you've edited the file and saved it at a very high compression/low quality setting in that software.

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dagobah
Junior MemberPosts: 30Gear list
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Re: Problems with new 18-135 lens on K5Mk2
In reply to dartmoorman, 9 months ago

This isn't a lens problem. This is a low-quality jpeg problem. It's a digital artifact from making the file size extremely small. Do you have your jpeg quality settings at only 1 star in the camera? Actually this looks worse than 1-star in-camera jpeg, so I guess you have edited the image with another program and saved with low jpeg quality, or perhaps selected an option to force the file size to be low.

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dartmoorman
Regular MemberPosts: 253
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Re: Problems with new 18-135 lens on K5Mk2
In reply to dagobah, 9 months ago

Many thanks to both of you. I have just taken this outside the house in RAW converting to 4 star quality JPEG and it seems to be OK. You both hit on the same cause, (operator error i.e. me!)

Very grateful

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dartmoorman
Regular MemberPosts: 253
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Re: Problems with new 18-135 lens on K5Mk2 - update
In reply to dartmoorman, 9 months ago

After digesting and acting on both your adviceI tried again taking photos around my city, Plymouth UK including the Parish Church of St Andrews. CC welcome and once again, thank you. You can see my photos here.

http://www.flickr.com/photos/119477858@N08/sets/72157642740506824/

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Brad99
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Re: Problems with new 18-135 lens on K5Mk2 - update
In reply to dartmoorman, 9 months ago

Sorted.  Nice shots.

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