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05-27-2016, 10:00 AM   #1
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Which Filter are better, to use or not use with Pentax K3, Pentax K3II and Pentax K1?

Recently I read some information about Filters in a Pentax DSLR Cameras. Some Filters Brands they say, is good to use to protect the sensor (Like Heliopan UV/IR - UV/IR BLOCKER IMPROVES COLOR/SHARPNESS) others just Protect the Lens (Like Heliopan Clear Protection). Some others say are better not use anything.
So, The question is: Which Filter are better, to use or not use with Pentax K-3, Pentax K-3 II and Pentax K-1?

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Last edited by Genki; 05-27-2016 at 10:05 AM.
05-27-2016, 10:38 AM   #2
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Nothing, waste of money IMHO.

If you feel better with a filter on get a good quality protection filter, uv blocking does nothing on digital.
05-27-2016, 10:41 AM   #3
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That's exactly what I think, for me made the picture worst and loose some sharpness.
05-27-2016, 10:44 AM   #4
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If you are working in a dirty or hazardous situation, then using a UV filter for protection is a good idea. I know someone who worked with the local fire department taking pictures (while they were working) and after one fire he looked at the front of his UV filter and noticed an odd streaking. It was the multicoating that had gotten so hot it started oozing down the filter! The same would have happened to his lens if the filter was not there.

Any place with windy conditions where dust can be thrown at the lens, or any other number of things can get on the front lens element, I would suggest a UV filter. Just make certain it is multicoated. Other than that, they are generally not necessary and can cause issues with sharpness by introducing another surface to catch light and create lens flair. If shooting into the light, I would not recommend a filter unless it is necessary for the image (polarizer, graduated ND, etc.).

PS- a good quality optical glass filter also filters a fair amount of UV, so clear and UV may do the same thing!

Regards,

BD


Last edited by BigDave; 05-27-2016 at 10:47 AM. Reason: Added content
05-27-2016, 10:50 AM   #5
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QuoteOriginally posted by BigDave Quote
If you are working in a dirty or hazardous situation, then using a UV filter for protection is a good idea. I know someone who worked with the local fire department taking pictures (while they were working) and after one fire he looked at the front of his UV filter and noticed an odd streaking. It was the multicoating that had gotten so hot it started oozing down the filter! The same would have happened to his lens if the filter was not there.

Any place with windy conditions where dust can be thrown at the lens, or any other number of things can get on the front lens element, I would suggest a UV filter. Just make certain it is multicoated. Other than that, they are generally not necessary and can cause issues with sharpness by introducing another surface to catch light and create lens flair. If shooting into the light, I would not recommend a filter unless it is necessary for the image (polarizer, graduated ND, etc.).

PS- a good quality optical glass filter also filters a fair amount of UV, so clear and UV may do the same thing!

Regards,

BD
I agree. I tried to take some pictures with Heliopan UV/IR a night and I noticed some flair and loose some sharpness.
05-27-2016, 11:06 AM   #6
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Circular Polarizing filters make some sense in the digital age. So do neutral density filters.

There are some very strange color filters that make sense with film. Some work better with color film and some work better with B+W film.
05-27-2016, 11:35 AM   #7
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The other question is price and quality. I have heard people say one should buy an expensive filter, otherwise one wastes the lens potential. Then I saw a review where there was no correlation between price and quality. More expensive filters were not consistently better, than cheap ones...
05-27-2016, 11:37 AM   #8
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QuoteOriginally posted by aoeu Quote
Circular Polarizing filters make some sense in the digital age. So do neutral density filters.

There are some very strange color filters that make sense with film. Some work better with color film and some work better with B+W film.
To keep a filter everyday without changed, I believe protection filter are the best idea to keep your lens clean and protect the value against any environment moisture.

05-27-2016, 11:58 PM   #9
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QuoteOriginally posted by IgorZ Quote
The other question is price and quality. I have heard people say one should buy an expensive filter, otherwise one wastes the lens potential. Then I saw a review where there was no correlation between price and quality. More expensive filters were not consistently better, than cheap ones...
Check shots you take in RAW of a white surface with a cheap ND filter. You don't want a colour cast, such as green.

05-28-2016, 03:49 PM   #10
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Polarizer and Neutral Density are still useful on digital. UV are not since that was a film-only issue.
05-28-2016, 08:26 PM   #11
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QuoteOriginally posted by clackers Quote
Check shots you take in RAW of a white surface with a cheap ND filter. You don't want a colour cast, such as green.
Hopefully I'm not asking a stupid question: Can you tell just looking at it on the camera review screen or is it necessary to look at it in raw from a computer view screen in Lightroom etc?
05-28-2016, 11:41 PM - 1 Like   #12
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QuoteOriginally posted by Genki Quote
Which Filter are better
The one you leave at home...

Apart from occasional specialist uses, likes of ND or polarisers.

For protection and improved contrast, lens hoods are the way to go.

Last edited by Kerrowdown; 05-29-2016 at 12:15 AM.
05-29-2016, 12:07 AM - 1 Like   #13
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QuoteOriginally posted by Kerrowdown Quote
The one you leave at home...

Apart from occasional specialist uses, likes of ND or polarisers.

For protection and improved contrast lens hoods are the way to go.
+1

UV and so-called "protection" filters are expensive nonsense.
05-29-2016, 06:29 AM   #14
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QuoteOriginally posted by clackers Quote
Check shots you take in RAW of a white surface with a cheap ND filter. You don't want a colour cast, such as green.
True enough, although that's usually easily fixed during RAW processing using the eyedropper.

Personally, filters were more useful when shooting film. Digitally I find ND grads and polarizers the most useful, "protective" filters like the UV a waste of time and money, and certain specialty filters like the blue-gold useful only when going for a specific effect. (Watch early episodes of CSI Miami and it's obvious somebody fell in love with the tobacco filter hee) So to the OP, don't spend money on any filter unless you can name what you hope to achieve by using it.
05-29-2016, 04:08 PM   #15
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QuoteOriginally posted by silvershoes Quote
certain specialty filters like the blue-gold useful only when going for a specific effect. (Watch early episodes of CSI Miami and it's obvious somebody fell in love with the tobacco filter hee)
Much of this can be accomplished in camera with clever use of white balance. If you want to make a forest seem like night on an overcast day, set to Tungsten and underexpose a stop or two. Watch the magic
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