Question 1

How come the mirror is not included? How can I use it then?

Accepted Answer

Mine did come with a mirror inside. I've used it a lot, to replace the 45º diagonal that came with my Celestron C90 Maksutov.This is not a prism diagonal, it's a mirror diagonal.This is not a "fully erecting" nor "correcting" diagonal, it provides inversed (mirrored) views.

Question 2

Will this fit a bresser juno 50mm az mount telescope?

Accepted Answer

Dear customer , 
Thanks for your contact.
They fit telescope with 1.25 inch barrel.

For accessories;we provide 2 months warranty;within 2 months;you can return for refund or replacement.If you have any other questions about warranty;please contact us freely;we will work with you win to win.

If my reply still doesn't answer your question well or you want to know more details about this product,could you please contact us by message on Amazon? Because the customer's message can be seen in the first time on Amazon, and will solve the problem as soon as possible. Once I receive your response, I will try my best to answer your questions. Sincerely look forward to your reply. 
Best wishes ! 
Kelly

Question 3

Will this work with a meade 285 refractor?

Accepted Answer

Dear customer , 
Thanks for your contact.
It can insert into 1.25” telescope at the silver end;the other end fix 1.25” eyepiece by the screw.If your telescope interface is 1.25”,it will  work with.

We provide lifetime warranty for defects in materials and workmanship.we are  responsible for repair;customer shall be responsible for all costs of transportation.For accessories;we provide 2 months warranty;within 2 months,you can return for refund or replacement.

If my reply still doesn't answer your question well or you want to know more details about this product,could you please contact us by message on Amazon? Because the customer's message can be seen in the first time on Amazon, and will solve the problem as soon as possible. Once I receive your response, I will try my best to answer your questions. Sincerely look forward to your reply. 
Best wishes ! 
Kelly

Question 4

What is the reflectivity % on this diagonal?

Accepted Answer

Dear customer ,
Thanks for your contact.
The reflectivity is about 82%.
For accessories;we provide 2 months warranty;within 2 months;you can return for refund or replacement.If you have any other questions about warranty;please contact us freely;we will work with you win to win.
If my reply still doesn't answer your question well or you want to know more details about this product,please contact us by message on Amazon. Because the customer's message can be seen in the first time on Amazon, and will solve the problem as soon as possible. Once I receive your response, I will try my best to answer your questions.
Sincerely look forward to your reply.
Best wishes !
Kelly

Coating	Fully Coated
Power Source	Diagonal Mirror
Finderscope	Reflex
Compatible Devices	Refractor and catadioptric telescopes with 1.25-inch focuser and eyepiece
Eye Piece Lens Description	Fully Coated
Mount	no
Focus Type	Manual Focus
Item Weight	120 Grams
Objective Lens Diameter	90 months
Item Dimensions D x W x H	4"D x 2"W x 3"H

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SVBONY 1.25 inches 90 Degree Zenith Diagonal Mirror for Refractor and Cassegrain Telescopes Astronomical Telescope

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