Astromania 1.25" 45-Degree Diagonal Prism Optical Prism Inside Rather Than a Mirror which Makes Your Image Clear and Sharp

$ 27.99

Score By Feature

Based on 3 ratings

Durability

9.33

Value for money

8.78

Sturdiness

8.48

OveReview Final Score

How Our Score Is Calculated

Product Description

The use of a high-quality prism instead of a mirror inside creates a clear, sharp image.

Whether you're looking at it from below or above, you may filter the thread using the I also have a 25" filter on my truck. Standards 1 and 2 are accepted. These 25" eyepieces cover a large area.

The mirror is coated with a protective coating to ensure a long life metal barrels are used to ensure secure seating.

With this diagonal, you can use a telescope or spotting scope at daytime for terrestrial observations or to observe astronomy at night.

Mirror star diagonal for refractor telescopes with 25 "45-degree tilt & 1.25 " aperture 1" width Suitable only for 25" connector (It is not

Questions & Answers

A statement on the ad says that Newtonian telescopes cannot be used with this product. What's the reason?

It's well known that the principle of reflecting telescope is reflection, which means that if you reflect it again through a diagonal prism, you lose some of the brightness of the image. Also, it's hard to match the focal length and diameter of the telescope. As a result, it is not recommended to use a diagonal prism on a Newtonian Reflector Telescope.

Selected User Reviews For Astromania 1.25" 45-Degree Diagonal Prism Optical Prism Inside Rather Than a Mirror which Makes Your Image Clear and Sharp

This is a false advertisement

3/5

A paint job is done on the nose. This one was not the one that arrived. There should be a way to remove both the nosel and the It is best for both the nasal tip and the nose to be removable for cleaning purposes. It's painted on, but the nose piece is not. Considering that Atsromania had to produce this product, it's shocking to me that it wasn't just a generic Generic of Celestron's.

Paulina Andrade

| Aug 09, 2020

A great diagonal for using a telescope as a I find this diagonal to be very well made

5/5

Using a small refractor as a spotting scope works really well here the viewing angle is perfect and the image isn't flipped at all. Instead of a chrome barrel, the one I received had a black barrel, which doesn't really make a difference, so I'm not really.