Dear Friends and contributors, as some of you know I am very much in favour of this unique focussing screen and keep on wondering why it isn't provided from camera producers as a wothy option to their , sometimes very poor, focussing screen. The only itch that anyone could find id that in extrime temperature conditions i t might the wax and paraffine layer might cristallize or bubble(several degree b elow 0 centigrades and above+ 60-70 degrees centigrades) in most cases all you have to do is protect you camera fron the sun if you are shooting in death valle y(you wouldn't go youself withot as much as a strw hat would you? Why do you lea ve the camera cooking in the sun in your Black car?). However every medal has its side and apart from this debateble point the screen is near perfect. I visit their factory every now and then and it is so nice to m eet people who take you seriously and are prepared to custom make products for y ou, the best thing is that they are prepared to think together with you like in realizing a bosscreem for my Rollei GX 2,8 Edition . I like to promote the use of this screen among large format aficionados and make it known to all those who don't. If you have ever used a screen with a Fresnel lens built in like Wista, you know that they are really badly though and are almost impossible to use with a loupe , try the Bosscreen and wouldn't want anything else. This is my third screen and I'll probably will buy more.
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