Tag Archives: ostara

How much power can you use with a small telescope

Posted on March 4, 2016 by Reviewer

Many customers ask what is the highest power they can use with a telescope..Sadly some shops on line and high street etc do offer small telescopes with unrealistic magnifications of 500+. This will make the image totally unusable and make … Continue reading →

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Ostara 1.25″ FF (flat field) eyepieces

Posted on September 8, 2015 by Reviewer

The Ostara FF range of eyepieces offer great quality optics at an affordable price. First thing out the box you will notice the solid construction. Fully multi-coated optics and great internal baffling give excellent colours and contrast. As the FF … Continue reading →

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Ostara Elinor 10×50 binoculars. A good choice for astronomy ?

Posted on August 17, 2015 by Reviewer

This weekend a customer came to the Northern Optics outlet at Barton Upon Humber, North Lincolnshire looking for a set of binoculars suitable for astronomy. After testing a few 8×56, 10×50, 12×50 and 12x70s he opted for the popular Ostara … Continue reading →

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Ostara filter wallet

Posted on February 5, 2015 by Reviewer

Useful and well priced filter wallet from Ostara Holds up to six 1.25″ telescope filters (4 in cases or 6 not in cases) Ideal for keeping your filters in an inside pocket for easy and fast access when needed. Filters … Continue reading →

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Ostara 2″ 26mm, 32mm , 38mm SWA-70 eyepieces

Posted on January 19, 2015 by Reviewer

The Ostara 2″ SWA-70 are designed to give picture window wide field of views if the night sky. Available in focal lengths of 26mm 32mm and 38mm there is a good range of choices. Each has long eye relief for … Continue reading →

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Ostara FF 27mm v Celestron X-Cel 25mm v Ostara ED 21mm eyepiece shootout

Posted on October 3, 2014 by Reviewer

Have just done my own little wide field eyepiece shoot-out. This was following a request from a customer looking for a good wide angle E/P for his Olivon T800 spotting scope that he purchased from us. I tested on an … Continue reading →

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Ostara Moon / Skyglow filter vs Ostara Crystalview Moon filter

Posted on March 14, 2014 by Reviewer

So what is the difference between the Ostara Moon & Skyglow filter and the similar priced Crystalview Moon filter ? The Moon / Skyglow is more of a dual use filter. It cuts down on light reaching the eye, for … Continue reading →

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Ostara 2″ dielectric 90-degree diagonal

Posted on February 11, 2014 by Reviewer

A star diagonal is an accessory that uses a mirror or prism to make viewing more comfortable when using refractor , SCT or Mak telescopes. Available in 1.25″, 2″ or combinations. Some come with SCT fittings, and others do not. Northern … Continue reading →

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Ostara moon / Skyglow filter

Posted on December 9, 2013 by Reviewer

It has been mentioned on one forum that Ostara filters have “soft” thread , and do not screw in to eyepieces very well. I can assure you this is not the case. I have sold well over 1000 of these, … Continue reading →

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Ostara short tube collimating eyepiece

Posted on November 6, 2013 by Reviewer

Ostara short tube collimating eyepiece for Newtonian reflectors Ostara are fast becoming a well known and respected brand when it comes to astronomical accessories, binoculars and telescopes. Straight out the box, you will be aware how solid and well built … Continue reading →

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