Kowa BD25 Compacts - 10x has more eye relief than 8x ??? (1 Viewer)

[Sydneybirder]

I was reading CameraLand's posting re their demo BD compacts

Demo Kowa BD-25 8x25 Compact Binocular for only $179.99

#1 Demo Kowa BD-25 8x25 Compact Binocular for only $179.99 We just got in a few of these from Kowa. They are gearing up for trade shows now that the world is opening up and we grabbed these demo units which were display units from prior shows. In the original boxes with everything including...

www.birdforum.net

Seems like a good deal.

In examining the specs on these I noticed that the eye relief on the 8x was shorter than the 10x! You would expect it to be the other way around unless the 10x had a different design of eyepiece. Yet both models seem to have a 50 degree AFOV suggesting the same design. I checked the Kowa website and they list the ER as 16.0mm for the 8x and 18.0mm for the 10x. Can anyone who's used these binos confirm that Kowa's figures are correct?

 

[Swedpat]

I was reading CameraLand's posting re their demo BD compacts

Demo Kowa BD-25 8x25 Compact Binocular for only $179.99

#1 Demo Kowa BD-25 8x25 Compact Binocular for only $179.99 We just got in a few of these from Kowa. They are gearing up for trade shows now that the world is opening up and we grabbed these demo units which were display units from prior shows. In the original boxes with everything including...

www.birdforum.net

Seems like a good deal.

In examining the specs on these I noticed that the eye relief on the 8x was shorter than the 10x! You would expect it to be the other way around unless the 10x had a different design of eyepiece. Yet both models seem to have a 50 degree AFOV suggesting the same design. I checked the Kowa website and they list the ER as 16.0mm for the 8x and 18.0mm for the 10x. Can anyone who's used these binos confirm that Kowa's figures are correct?

Too bad you still have not got a reply on this.
I don't surely know, but I would say it's unlikely that the higher power model has longer ER. As you say, it should be the opposite.
And here I want to say that we can't trust the manufacturers stated numbers.
In several cases the stated ER is totally wrong, and this is even for the higher class binoculars like Zeiss and Swarovski.