BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="613Orm" data-source="post: 3627843" data-attributes="member: 107876">Of reasons given below I have not mentioned that I did send the Victory FL and photos of the problem to Zeiss in Wetzlar last year. I got the answer that what I see is a reflection of the light due to my strong light source, and that when not using the light the problem cannot be seen (see the full answer from Zeiss below). I have ever since then been sceptical (and worried) of this explanation as I find that it is quite obvious there is something on the prism surface. Finally, after months with this gnawing uncertainty I decided to describe the feature to the community to see if anyone else had seen it and what other explanations I could get. I did not want to begin the thread sounding like some criticism against Zeiss. I also felt it could bias others in their comments. I did also not pursue the thing with Zeiss any further. It had cost 70E to ship the binoculars there and I was not going to send them back again as I anticipated I was going to get the same answer.From Zeiss:"Thanks allot for the pictures and your exact discription of the prisms from your binocular! We have check the item an can now explain what you have seen in the binocular.The "'blob' is glue witch hold the prism in the mechanik part from the complete prism. The cloudy cover is an reflection from the very bright light that you use to see the details in the prism. The reflction comes from the blank side of the glas. These surface reflectet the bright light an we also see this effect. Without the bright lite there is no reflection."</blockquote>

Verification