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E-mount Lenses for Infrared (IR) on NEX cameras

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Barrin View Drop Down
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Joined: 01 June 2016
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Post Options Post Options   Quote Barrin Quote  Post ReplyReply Direct Link To This Post Posted: 08 June 2020 at 17:05
Just managed to have some shots with my newly converted nex camera and my lovely 24/1.8 zeiss.
No hotspot at the moment with a 720 nm filter mounted on it.
I wait for the filter adapter to test also my sigma 60.
I will update with more info
Sony A6000|Zony 24/1.8|Sigma 60/2.8

3xi|M35-70/4|M100-200/4.5

Olympus Trip 35
 



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Barrin View Drop Down
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Groupie

Joined: 01 June 2016
Country: Italy
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Posts: 148
Post Options Post Options   Quote Barrin Quote  Post ReplyReply Direct Link To This Post Posted: 21 June 2020 at 06:31
Here's the update:
Sony Zeiss 24/1.8: no hotspot both at 720 & 590 nm with my full spectrum Nex 3n.

Sigma 60/2.8: no hotspot both at 720 & 590 nm with my full spectrum Nex 3n.

I can also confirm nice operation of sigma 30 2.8. This sigma trio ( together with the 19 I read performs well too) appears to be terrific in IR at a really appealing price!

Sony A6000|Zony 24/1.8|Sigma 60/2.8

3xi|M35-70/4|M100-200/4.5

Olympus Trip 35
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Petrochemist View Drop Down
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Joined: 21 December 2020
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Post Options Post Options   Quote Petrochemist Quote  Post ReplyReply Direct Link To This Post Posted: 15 March 2021 at 14:04
Most of my IR is shot on adapted lenses using a converted A7ii, but I have used the FE28-70 F3.5-5.6 OSS a fair bit too. Not spotted any hot spot issues on that one

I've also taken a few shots with my Samyang 14mm/2.8 ED AS IF with no major issues apparent. My copy is quite a long way out on focusing distances (even when just shooting visual light) so I can't gauge if focus shift might cause difficulties.

I won't try to advise on the adapted lenses
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