Nature Passiflora of my backyard

Passiflora of my backyard · **2 Likes**

Bonjour,

Here's another projector lens that I removed form the majority from its plastic casing ...

Later I incorporated this lens into a Helios 44-2 body in order to have an aperture.

Salut, J

flaviopetrone · 11-14-2014, 02:57 PM

Originally posted by Jean Poitiers

Plus, you will note that I do not show off my (few) failed experiments ... ha! J

I'm sure that are just few...thousands!

Jokes apart, I was thinking that you'd spend much more time preparing lenses.

madhurvyas · 11-14-2014, 11:46 PM

Your lens experiments are great, I hope one day your research would be used commercially.

Jean Poitiers · 11-15-2014, 02:39 AM

Originally posted by madhurvyas

Your lens experiments are great, I hope one day your research would be used commercially.

Thanks ... and maybe a cottage industry for my Senior Days ... ha!

signorsalvo · 11-16-2014, 08:24 AM

Great job Jean, I like it. Passiflora flower it's hard to focus correctly in macro.
I shot this one last summer. I used an MIR 1B inverted on my old Pentax K2. Digitalization is not perfect, what do you think about?

Attached Images

Jean Poitiers · 11-16-2014, 09:22 AM

Originally posted by signorsalvo

Great job Jean, I like it. Passiflora flower it's hard to focus correctly in macro.
I shot this one last summer. I used an MIR 1B inverted on my old Pentax K2. Digitalization is not perfect, what do you think about?

Thanks and nice image. I need to work on my lens a bit more to get some more DOF ... maybe even use with an extreme bellows extension to get a macro like yours. J

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11-14-2014, 02:57 PM	#16
flaviopetrone Veteran Member Join Date: Aug 2014 Location: Reggio Emilia Photos: Albums Posts: 1,153	Originally posted by Jean Poitiers Plus, you will note that I do not show off my (few) failed experiments ... ha! J I'm sure that are just few...thousands! Jokes apart, I was thinking that you'd spend much more time preparing lenses.

11-14-2014, 11:46 PM	#17
madhurvyas Veteran Member Join Date: Jan 2008 Location: Bikaner (Raj)-India Photos: Gallery Posts: 562	Your lens experiments are great, I hope one day your research would be used commercially.

11-15-2014, 02:39 AM	#18
Jean Poitiers Pentaxian Join Date: Apr 2011 Location: Lost in translation ... Photos: Gallery \| Albums Posts: 18,076 Original Poster	Originally posted by madhurvyas Your lens experiments are great, I hope one day your research would be used commercially. Thanks ... and maybe a cottage industry for my Senior Days ... ha!

11-16-2014, 08:24 AM	#19
signorsalvo New Member Join Date: May 2014 Posts: 7	Great job Jean, I like it. Passiflora flower it's hard to focus correctly in macro. I shot this one last summer. I used an MIR 1B inverted on my old Pentax K2. Digitalization is not perfect, what do you think about? Attached Images

11-16-2014, 09:22 AM	#20
Jean Poitiers Pentaxian Join Date: Apr 2011 Location: Lost in translation ... Photos: Gallery \| Albums Posts: 18,076 Original Poster	Originally posted by signorsalvo Great job Jean, I like it. Passiflora flower it's hard to focus correctly in macro. I shot this one last summer. I used an MIR 1B inverted on my old Pentax K2. Digitalization is not perfect, what do you think about? Thanks and nice image. I need to work on my lens a bit more to get some more DOF ... maybe even use with an extreme bellows extension to get a macro like yours. J

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