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Sony a6000 Hot Mirror Removal
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PostPosted: Fri Aug 20, 2021 3:45 pm    Post subject: Sony a6000 Hot Mirror Removal Reply with quote

Recently I gave my Sony a6000 a new idea. Remove the hot mirror and absorb a fuller spectrum of light.

Don't forget to discharge the flash after removing battery (every time)!

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PostPosted: Thu Aug 26, 2021 5:35 pm    Post subject: Reply with quote

Good job!

I've recently done this to NEX-3N, and to my surprise it was a more complex and treacherous disassembly than that of either a6000 or A7R.

After trying a bunch of filters, I think I kind of dig the B&W in ~900+nm infrared and the mix of visible and infrared from the pedestrian R25A filter.
Gives just enough spectrum range to play with color with reasonable tonal range.



As for the widely recommended Hoya R72, I found it to be perfectly boring: not quite as contrasty as 900+nm IR filters, too narrow band for color photos.


Stacking a bunch of stuff to get Aerochrome-like colours was bit underwhelming: once you get there, the results are a bit over the top.




Haven't tried to get blue-white IR look yet, something to play with in the future.


PostPosted: Thu Aug 26, 2021 5:52 pm    Post subject: Reply with quote

Wow! Major sci-fi instant alien landscape.

I wish all the ribbon cables were push-in clamp lock style like the two that connect the sensor with the main board. The others were such a fuss.


PostPosted: Fri Aug 27, 2021 6:10 am    Post subject: Reply with quote

aidaho wrote:

Stacking a bunch of stuff to get Aerochrome-like colours was bit underwhelming: once you get there, the results are a bit over the top.


Did you use an Orange 550 IR long pass for the Aerochrome look?

https://midopt.com/filters/lp550/


PostPosted: Mon Aug 30, 2021 5:23 am    Post subject: Reply with quote

Blazer0ne wrote:
aidaho wrote:

Stacking a bunch of stuff to get Aerochrome-like colours was bit underwhelming: once you get there, the results are a bit over the top.


Did you use an Orange 550 IR long pass for the Aerochrome look?

https://midopt.com/filters/lp550/

IIRC I got close to the Aerochrome-like look with some other filter first, but that solution required color swap in post. I'll post a stack, if I remember it.
If you want SOOC jpegs (and live view) to look like that, the only working solution for me was a stack of weak IR filters (KG/BG series) with Scuba Blue gel.


PostPosted: Mon Aug 30, 2021 8:08 am    Post subject: Reply with quote

aidaho wrote:
Blazer0ne wrote:
aidaho wrote:

Stacking a bunch of stuff to get Aerochrome-like colours was bit underwhelming: once you get there, the results are a bit over the top.


Did you use an Orange 550 IR long pass for the Aerochrome look?

https://midopt.com/filters/lp550/

IIRC I got close to the Aerochrome-like look with some other filter first, but that solution required color swap in post. I'll post a stack, if I remember it.
If you want SOOC jpegs (and live view) to look like that, the only working solution for me was a stack of weak IR filters (KG/BG series) with Scuba Blue gel.


I don't mind channel swapping, but which method gave better results?

All I have right now is a B+W 099 Orange at 520 and a Baader IR at 685.

B+W Specs pg.28/29
https://images-eu.ssl-images-amazon.com/images/I/C1x9LZAkTES.pdf


PostPosted: Mon Aug 30, 2021 12:45 pm    Post subject: Reply with quote

aidaho wrote:

I'll shuffle my bunch of filters and came back to you with the exact stack for the Aerochrome-like look I've posted above.

Had to do some digging in my purchase history, since one of the filter was unmarked and it took me some time to identify it.

It's a Chinese GRB3 (Schott KG3 close) on top of the slice of Scuba Blue gel.
Aerochrome SOOC on Sony NEX-3N after setting custom white balance.


PostPosted: Wed Sep 01, 2021 10:46 am    Post subject: Reply with quote

Oh, great, I've destroyed my previous post by accidental editing. Again.
Whoever thought putting "edit" in place of "quote" while designing phpbb engine is responsible for lot of these screwups.