TS Optics 2″ 91% diagonal mirror with compression ring

Open catalog

Binorum.eu › Diagonals and Prisms › Diagonal Mirrors

❮ ❯
Mirror TS Optics 2″ 91% Compression Ring

Article No.: TSZS2
Manufactured by: TS Optics
Shipping weight: 0.58 kg

Our price: 110.05 €

Last one in stock - order now!

Last item at this price!

We have the goods in stock at our store and we can send them immediately.

We do not have the goods physically with us, but it is available from a remote supplier. In this case, we order them immediately and therefore it may take several weeks before we are able to send them to you.

Recommended accessories (all in stock):
	Astronomy Eye Patch for Telescope Observing	Astronomy Eye Patch for Telescope Observing Yes, you will look like a pirate. But we are fairly confident that after your first night using this eye patch, you will not leave home without it. It is one of the simplest and yet most effective accessories an amateur astronomer can own - a small addition to your kit that makes every observing session noticeably more comfortable while protecting both your eyes and your facial muscles from unnecessary strain. Why Does Squinting Cause Fatigue? When looking through a telescope eyepiece, most observers instinctively close or squint the eye that is not being...	12.15 €
Astronomy Eye Patch for Telescope Observing Yes, you will look like a pirate. But we are fairly confident that after your first night using this eye patch, you will not leave home without it. It is one of the simplest and yet most effective accessories an amateur astronomer can own - a small addition to your kit that makes every observing session noticeably more comfortable while protecting both your eyes and your facial muscles from unnecessary strain. Why Does Squinting Cause Fatigue? When looking through a telescope eyepiece, most observers instinctively close or squint the eye that is not being...
	Sky-Watcher Red LED Flashlight with Variable Dimming	Sky-Watcher Red LED Flashlight with Variable Dimming The Sky-Watcher red LED flashlight features 2 LED diodes with continuously variable brightness control, essential for preserving your night-adapted vision during astronomical observation. Red light doesn't trigger the same pupil constriction as white light, allowing your eyes to maintain their dark adaptation - critical for observing faint deep-sky objects. The smooth dimming control lets you adjust brightness precisely for different tasks: brighter for reading star charts or adjusting equipment, dimmer for simply moving around your observing site. Powered by a 9V battery (included), this compact flashlight is an indispensable accessory for any astronomer's...	18.95 €
Sky-Watcher Red LED Flashlight with Variable Dimming The Sky-Watcher red LED flashlight features 2 LED diodes with continuously variable brightness control, essential for preserving your night-adapted vision during astronomical observation. Red light doesn't trigger the same pupil constriction as white light, allowing your eyes to maintain their dark adaptation - critical for observing faint deep-sky objects. The smooth dimming control lets you adjust brightness precisely for different tasks: brighter for reading star charts or adjusting equipment, dimmer for simply moving around your observing site. Powered by a 9V battery (included), this compact flashlight is an indispensable accessory for any astronomer's...
	Binorum Laser Collimator 2″/1.25″ Universal Alignment Tool	Binorum Laser Collimator 2″/1.25″ Universal Alignment Tool Essential Precision Tool for Newtonian Telescopes The universal Binorum Laser Collimator provides precise alignment capabilities for Newtonian reflector telescope systems. For any telescope to perform its optical function optimally, it must be properly collimated - meaning aligned so that the optical axis of the primary mirror coincides exactly with the optical axis of the focuser tube. Proper collimation is fundamental to achieving the image quality your telescope is capable of delivering. Understanding Collimation Collimation is the process of aligning the optical and mechanical components of a telescope so that the quality of the...	55.65 €
Binorum Laser Collimator 2″/1.25″ Universal Alignment Tool Essential Precision Tool for Newtonian Telescopes The universal Binorum Laser Collimator provides precise alignment capabilities for Newtonian reflector telescope systems. For any telescope to perform its optical function optimally, it must be properly collimated - meaning aligned so that the optical axis of the primary mirror coincides exactly with the optical axis of the focuser tube. Proper collimation is fundamental to achieving the image quality your telescope is capable of delivering. Understanding Collimation Collimation is the process of aligning the optical and mechanical components of a telescope so that the quality of the...

This product is available in the following variants:
Mirror TS Optics 2″ 91% Compression Ring	110.05 €
Mirror TS Optics 2″ 99% Dielectric with Compression Ring	211.20 €

TS Optics 2″ 91% diagonal mirror with compression ring

Looking for a star diagonal that will not let you down even during demanding visual observation sessions? The TS Optics 2″ diagonal mirror with a compression ring is exactly what you need. It combines high reflectivity, universal compatibility and a robust all-metal construction - all in one elegantly designed accessory for your telescope.

Key features

91% reflectivity for a brighter image

The diagonal mirror with 91% reflectivity delivers a noticeably brighter image compared to standard diagonals with reflectivity of around 88-89%. This difference is especially appreciated by deep-sky observers, where every extra percent of light matters. The all-metal construction ensures long service life and mechanical stability - no plastics, no play, no unpleasant surprises during temperature changes under the night sky.

Built-in M48 filter thread

The 2″ input barrel is equipped with an internal M48 filter thread, which is great news for anyone who likes to use astronomy filters. Filters screw directly into the diagonal, eliminating the need to carry additional adapters. The output side features a removable 2″/1.25″ adapter, allowing the diagonal to be used with both 2″ and 1.25″ eyepieces - making it compatible with virtually all of your existing accessories.

Brass compression ring - gentle and precise eyepiece retention

One of the key features of this diagonal is the brass compression ring system. Unlike traditional thumbscrews - which can leave marks on an eyepiece barrel or cause slight misalignment - the compression ring holds the eyepiece evenly and gently around its entire circumference. The result is precise centring, minimal risk of damage to expensive eyepieces and reliable retention even when handling the telescope. Brass as a material prevents seizing and ensures smooth operation throughout the lifetime of the accessory.

A universal choice for every observer

The TS Optics 2″ 91% compression ring diagonal is a well-thought-out solution for anyone who wants to get the most out of their telescope - whether observing planets, double stars or nebulae. The compression ring combined with high reflectivity and M48 filter thread makes it one of the most versatile choices in this category of accessories. An investment that pays off.

Technical specifications

Parameter	Value
Input barrel diameter	2″
Output adapter	2″ / 1.25″ (removable)
Mirror reflectivity	91%
Internal filter thread	M48
Eyepiece retention	Brass compression ring
Construction material	All-metal