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Author Topic: Projection lenses  (Read 148113 times)

Dr Klaus Schmitt

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Re: Projection lenses
« Reply #60 on: October 29, 2016, 19:46:28 »
Thank you!

It does more than close-up btw.

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Bjørn Rørslett

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Re: Projection lenses
« Reply #61 on: October 29, 2016, 20:53:50 »
All are good and the last one, with the small reddish fungus and blur circles, is outstanding.
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Dr Klaus Schmitt

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Re: Projection lenses
« Reply #62 on: October 29, 2016, 21:00:03 »
Quote from: Bjørn Rørslett on October 29, 2016, 20:53:50
All are good and the last one, with the small reddish fungus and blur circles, is outstanding.

Thanks, quite amazing what this lens from an abandoned micro projection system delivers ;-)
If I'm not mistaken by the reflections, it is a 5e/5g design, most likely a modified Double Gauss.
Other images show that it is nearly apochromatic, with hardly any visible CA.
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Grahame Hamblin

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Re: Projection lenses
« Reply #63 on: October 30, 2016, 07:31:53 »
Quote from: Dr Klaus Schmitt on October 29, 2016, 19:31:44
As I shoot only fully open, the DOF is simply determined by the distance away and the focal length of then, lens and its f-stop. Just play with it and you'll soon get a grip on that. 85mm is quite a useful focal length, gives you enough working distance for flowers as well as portraits, if you like that.
Thank you cant wait for that lens to arrive then practice practice. Will post and hope you will critique. Have been trying out combinations with what i have.Quite a learning curve.
Grahame
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Grahame Hamblin

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Re: Projection lenses
« Reply #64 on: October 30, 2016, 07:42:11 »
different lens circle created by lens then had a play comments welcome
Grahame
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pluton

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Re: Projection lenses
« Reply #65 on: October 30, 2016, 16:46:21 »
Fascinating result, Grahame. 
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Keith B., Santa Monica, CA, USA

Dr Klaus Schmitt

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Re: Projection lenses
« Reply #66 on: October 30, 2016, 19:37:16 »
Not bad at all Grahame!
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BW

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Re: Projection lenses
« Reply #67 on: October 30, 2016, 20:00:09 »
Very nice set Klaus! Agree with Bjørn, The red fungi against the green moss is a favorite of mine as well.
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Dr Klaus Schmitt

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Re: Projection lenses
« Reply #68 on: October 30, 2016, 20:29:23 »
Quote from: BW on October 30, 2016, 20:00:09
Very nice set Klaus! Agree with Bjørn, The red fungi against the green moss is a favorite of mine as well.

Thanks. That was quite a challenge, as those fungi were very tiny, and all that handheld, just some bottom support...
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Grahame Hamblin

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Re: Projection lenses
« Reply #69 on: October 31, 2016, 00:59:35 »
Quote from: Dr Klaus Schmitt on October 30, 2016, 19:37:16
Not bad at all Grahame!
Thanks Klaus will keep trying
Grahame
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Dr Klaus Schmitt

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Re: Projection lenses
« Reply #70 on: October 31, 2016, 10:32:38 »





walking in the Palatinate vineyards, my stomping grounds (same lens as before)
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Akira

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Re: Projection lenses
« Reply #71 on: October 31, 2016, 12:42:16 »
Impressive images, Klaus!  Am continuously amazed and enjoying!
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John Geerts

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Re: Projection lenses
« Reply #72 on: October 31, 2016, 14:24:42 »
Very delicate, beautiful rendering.
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Dr Klaus Schmitt

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Re: Projection lenses
« Reply #73 on: October 31, 2016, 19:41:21 »
Quote from: Akira on October 31, 2016, 12:42:16
Impressive images, Klaus!  Am continuously amazed and enjoying!

Arigato domo Akira-San!

Quote from: John Geerts on October 31, 2016, 14:24:42
Very delicate, beautiful rendering.

Thank you John!
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Jakov Minić

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Re: Projection lenses
« Reply #74 on: October 31, 2016, 22:47:47 »
Very impressive images Dr Klaus. The last one back lit in the vineyards is very much to my liking.
Grahames' round one is super too!
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