Vixen erect image adapter

[E621Keith]

Has anyone tried one of these? Does anyone know whether it produces a erected image straight through or whether it will needs a 90deg diagonal to achieve a erected image?

http://astronomia.co.uk/index.php/vixen-erect-image-adapter-1-25-31-7mm-for-reflectors-and-refractors.html

I wanted to adapt my Borg 77 for terrestrial viewing but most erecting adapters are 45deg prisms. A straight through system sounds very attractive, but it would be even better if it needs a 90deg diagonal, because I can use it to turn my 90deg finderscope into a 90deg erected image finder scope, when it is not used for terrestrial viewing

thanks

[michael.h.f.wilkinson]

I think a 90 deg Amici prism might be better, I got one for my giant finder. I got this one

http://www.teleskop-express.de/shop/product_info.php/language/en/info/p291_TS-1-25--Amici-Prisma---90--Ablenkung---aufrecht---seitenrichtig.html

[E621Keith]

Thanks, I'll have a look at that.

[michael.h.f.wilkinson]

There is also a WO 2" 90 deg Amici prism. I am tempted to get that for the 80mm for terrestrial viewing

[pete_gamby]

The Vixen adaptor produces an erect image straight through i.e. does not require a 90º diagonal. Assuming that it is used with a diagonal like the Vixen one here http://www.vixenoptics.com/acc/indiv/3675.html then it still provides an erect but horizontally flipped image.

HTH

Pete