Replace IR Glass for Aptus-II

[steven_jacobs_englund]

Like a rich, stupid person with a lot of free time (I'm none of the above actually)... I purchased an "as is" Leaf Aptus-II 12 (DM 80) from eBay.

I can tell from the pictures that it is missing the IR glass. I know that I need 650nm cutoff, and can buy a custom cut piece online that is close to size, but does anyone know the thickness? I have two apparent options: 1mm or 1.3mm.

I have a Valeo 22wi at home that I can measure later, but I wanted to see if anyone has a DM80 and/or experience in this field.

I will likely buy a 70x70mm or 80x80mm piece, then cut it down to fit on the DB, then make my own frame to screw it/hold it in place. Will the variation in 0.3mm be enough to throw off the focal plane distance?

BTW, the DM80 won't arrive in the mail until mid-February or early-March. But I'd like to have what I need to test it upon arrival.

[Ulf]

HI

We would recommend Schott S8612 which has a cut off at 650nm just like you say.
1.0mm would be what we would use on a 80mp sensor.
Keep in mind that different sensors use different filters so your 22mp sensor is most likely using a different filter.

[steven_jacobs_englund]

Thanks Ulf. That's great to hear I am headed in the right direction. I went with the 1mm glass.

Fingers crossed the back arrives and actually works, otherwise this is all in vein.

[steven_jacobs_englund]

@Ulf - My digital back arrived today but it's missing the CF reader board and firewire board. Is there any way I can purchase parts or service for the DM80?

[Ulf]

Hi
Are you saying the boards are missing inside the back?
If so, return it whom ever you have purchased it from as it is a incomplete unit.

The parts are not available for purchase and even if they where, they would not do you any good without production computer with specific software and configuration.