Difference of view through binos w or w/o laser protection (1 Viewer)

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Elmer Fudd

Well-known member

• Sep 27, 2018

• #1

Who of the forum members is the proud owner of especially one resp. two of the newer Hensoldt military binos 8x30, 7x50 or 10x50 with and without laser filter protection and would like to provide a view by camera through the tubes of his treasure(s)?

I'd like to know how disturbing a laser protected pair of binos might be in comparison with the same model without this device.

 

C

Canip

Well-known member

• Sep 27, 2018

• #2

Elmer,
I don‘t have the Hensoldts, but I could provide pictures through the tubes of same model Kern 8x30 military binos with and without laser protection, if that would be of interest to you (the one without laser protection would also show no reticle).

 

Last edited: Sep 27, 2018

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etudiant

Registered User

Supporter

• Sep 28, 2018

• #3

Iirc, transmission through the old Zeiss Jena DF 7x40 was around 60%, about a third less than a modern glass.
The reticle by itself reportedly cut light by about 10%.
Laser protection has to be frequency specific, so the overall impact may be less, but is still about 10% according to this report on the Fero models mentioned.
http://www.eyry.eu/miltec/index.php?option=com_content&view=article&id=14&Itemid=198&lang=en

 

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Elmer Fudd

Well-known member

• Sep 28, 2018

• #4

Canip said:

Elmer,
I don‘t have the Hensoldts, but I could provide pictures through the tubes of same model Kern 8x30 military binos with and without laser protection, if that would be of interest to you (the one without laser protection would also show no reticle).

Click to expand...

Canip, thank your for your kind offer! Yes, it would be of much interest to me. I think that the view would be similar compared to the Hensoldt boys.

 

C

Canip

Well-known member

• Sep 28, 2018

• #5

Elmer,
here are pictures taken through the right tube (therefore no reticle in either image) of
- Kern 8x30, with laser filter
- Kern 8x30, no laser filter
Don't focus on image sharpness, differences are due to my inability to get identical images with my iPhone.
But the difference in color tones - the one with laser filter showing a distinct green-blue hue, the other one much warmer in tone - is easily visible. The difference in image brightness is actually not that distinct in the photos, but in real life, the laser filter absorbs some brightness, no doubt.

Canip

 

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Elmer Fudd

Well-known member

• Oct 4, 2018

• #6

Thank you very much for your efforts. That will help!

 

dries1

Member

• Oct 13, 2018

• #7

I have the Hensoldt 8X30 with the laser filters, I have also viewed through one without, plus a 7X50 without. If you get one, get one without the laser filter, you loose about 10 percent of light transmission with them. Also read some of Holger Merlitz reviews, they have good info and insight. Additionally, the FOV in the 8X30 is a bit narrow at 7 degrees.

Andy W.

 

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jring

Well-known member

• Oct 22, 2018

• #8

Hi,

cannot comment on Hensoldt as my DF 8x30 has no laser filters. But I have a pair of Fujinon M22 which would be a nice pair of bins if they didn't have a laser filter... awful purple tint... not to speak of light transmission...

Joachim