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04-26-2008, 10:33 AM   #1
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Pentax Quartz UV only 85/3.5?

Here is a link to the Pentax special purpose UV lens. I wonder if anyone on the forum has one of these.

Dave

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05-17-2014, 05:19 AM   #2
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Yes, I have two actually and the link is to my collection ;-)
05-17-2014, 05:41 AM   #3
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QuoteOriginally posted by kds315 Quote
Yes, I have two actually and the link is to my collection ;-)
An impressive collection of some most extraordinary lenses I have ever seen ! An amazing achievement - how do you manage to keep all 300+ lenses without them going bad ( dust, fungus etc.. ) ?

>>-manntax-->

Last edited by manntax; 05-18-2014 at 02:55 AM.
05-18-2014, 02:51 AM   #4
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Boxes with desiccant in them. Works pretty well.

05-18-2014, 02:56 AM   #5
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QuoteOriginally posted by kds315 Quote
Boxes with desiccant in them. Works pretty well.
I suppose it does Thanks!
>>-manntax-->
05-18-2014, 05:37 AM   #6
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QuoteOriginally posted by kds315 Quote
Yes, I have two actually and the link is to my collection ;-)
i wonder, do you use them sometimes ?
05-19-2014, 02:55 AM   #7
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If you had looked at my last link in my footer ("my UV diary"), you'd seen more than 500 BLOG entries, all shot with such lenses.
So in short, they do see "some use" and even companies like BBC London + Bristol and Sir David Attenborough use my work.

This is a Phalaenopsis orchid in UV shot with this lens and the Baader-U filter:


Even the cell structures of the surface gets visible, as with UV a much higher resolution can be achieved.
05-19-2014, 05:28 AM   #8
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Fyi, just so you know who you're talking to, this gentleman is the most informed UV photography specialist I know of.

-Johan

05-19-2014, 05:46 AM - 1 Like   #9
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QuoteOriginally posted by kds315 Quote
If you had looked at my last link in my footer ("my UV diary"), you'd seen more than 500 BLOG entries, all shot with such lenses. So in short, they do see "some use" and even companies like BBC London + Bristol and Sir David Attenborough use my work.
This is a Phalaenopsis orchid in UV shot with this lens and the Baader-U filter:
That's absolutely outrageous !! Amazing work and fantastic results - thank you for opening my eyes to this invisible world - your blog and galleries are fascinating places !
,,,
' >' manntax
05-19-2014, 11:24 PM   #10
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Thanks Guys! Guess I should post a bit more here about this sort of photography....
05-19-2014, 11:43 PM   #11
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QuoteOriginally posted by kds315 Quote
Thanks Guys! Guess I should post a bit more here about this sort of photography....
Absolutely! I think your knowledge about UV photography will enrich this forum immensely ! Glad you joined - and again congratulation on your fantastic collection of lenses !
,,,
' >' manntax
05-19-2014, 11:46 PM   #12
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Just in case: here is a video of a Gazania flower opening (timelapse) shot in UV:

05-20-2014, 12:01 AM   #13
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QuoteOriginally posted by kds315 Quote
Just in case: here is a video of a Gazania flower opening (timelapse) shot in UV:
Thanks for sharing ! I think it would be advisable for you to create a new thread in Post your photos section where you could share these wonders - people will look for them - even yesterday someone was asking about UV photography and what lenses to use - I think even creating whole section for UV/ IR photography would be useful for the forum.
,,,
' >' manntax
05-20-2014, 12:27 AM   #14
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Thanks, I'll have a look into that.
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