Author Archives: Reviewer

Optical Hardware 1.25″ t-adapter and t-ring

Posted on January 27, 2014 by Reviewer

The Optical hardware 1.25″ t-adapter allows prime focus photography with telescopes that accept 1.25″ accessories such as eyepieces. You will need an additional t-ring for your own make of SLR or DSLR camera body. To use, simply connect the t-ring … 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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Skywatcher UWA-70 8mm . 1.25″ / 2″ eyepiece

Posted on November 15, 2013 by Reviewer

The Skywatcher UWA-70 , 8mm eyepiece has a dual use 1.25″ / 2″ barrel size. Features a 6-element fully multi-coated optical lens assembly. Tough rubber covering for added protection. Twist eye cup, and long eye relief. Superb internal baffling cuts … Continue reading →

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Night Scenes guide to simple astrophotography. By Paul Money FRAS FBIS

Posted on November 14, 2013 by Reviewer

Ideal and simple to read introduction to SLR astrophotography Full of helpful hints on how to capture the wonders of the heavens just using an SLR camera and various lenses 55 page paper back illustrations and/or example photographs on every … Continue reading →

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Optical Hardware 1.25″ t-adapter

Posted on November 7, 2013 by Reviewer

Optical Hardware 1.25″ t-adapter. Very strong metal construction Attractive silver finish on the outside, and blackened on the inside to help reduce reflection. Threaded to accept our 1.25″ telescope filters and t-rings (not included) Available to buy from Northern Optics … 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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Ostara PL 32mm 1.25″ eyepiece review. Observing the double cluster

Posted on October 29, 2013 by Reviewer

The Ostara PL32mm eyepiece can be purchased from Northern Optics as part of the Ostara 1.25″ Planetary eyepiece and filter set. Though it may be available as a separate item while stocks last. At first glance it looks very similar to … Continue reading →

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Skywatcher UWA-58 Planetary 5mm eyepiece review (double stars)

Posted on October 23, 2013 by Reviewer

To give the Skywatcher UWA-58 5mm a few challenges I steered away from its description as a Planetary eyepiece to check out some multiple star systems. Telescope used was a Skywatcher Skyliner 300mm (12″) Dobsonian, which gave 300x magnification. First … Continue reading →

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Celestron Edge HD telescopes and aplanatic optics

Posted on October 22, 2013 by Reviewer

Aberrations are defects in images produced by a telescope (or optical system). They are caused by limitations in the design and manufacture of the optics. Designers and optical factories strive to produce affordable telescopes that have as few aberrations as … Continue reading →

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Why do I need to polar align a telescopes