Meade Instruments:  
 » LX90 SCT & ACF Series. 
 » LX200 ACF Series. 
 » LXD75 ACF Series. 
 » ETX Computerised Telescopes. 
 » Lightbridge Dobsonian Telescopes. 
 » Premium Refractor Telescopes. Coronado Solar Telescopes: 
 » Personal Solar Telescopes. 
 » SolarMax II Telescopes. Opticstar sections: 
 » Cooled, long exposure cameras, 6.1MP CCD, USB 2.0. 
 » Video cameras for planetary use up to 1.3MP, USB 2.0. 
 » Imaging accessories. 
 » Auto-Guiding systems, complete solutions. Ascension telescopes and accessories: 
 » Apochromat ED Triplet Refractors 
 » Achromat Doublet Refractors  
 » Eyepieces including zoom eyepieces. 
 » Guiding eyepieces. 
 » Extension tubes. 
 » Flip mirrors. 
 » Imaging filters. 
 » Barlow lenses. 
 » Binoviewers. 
 » Red dot finders. 
 » Eyepiece projection kits. 
 » Mirror and prism diagonals. Starlight Xpress: 
 » Cooled CCD Cameras. 
 » Guide Cameras. 
 » Filter Wheels. Farpoint Astro: 
 » Dovetail systems and mount accessories. 
 » Focus masks. 
 » Binocular mountings. Willmann Bell books. Shoestring Astronomy sections: 
 » Autoguiding connectivity kits and interfaces. 
 » Shutter control units for DSLR cameras. 
 » Focus motor controllers.
Peter Karboulonis Articles
section updated: 25th April 2014

Equipment and Usability
Peter Karboulonis has been an amateur astronomer for many years and has first hand experience on a wide range of equipment. His articles will be of particular interest to the reader who is looking for guidance on CCD cameras, telescopes and astronomy in general.
Peter Karboulonis Articles
Choosing Your First Telescope
Choosing Your Second Telescope
Powering Your Mount & Telescope
Polar Aligning your Telescope
Improving Dual Speed Focusers
Measuring Optical Quality
[NEW] Gregorian Maksutov Collimation
Imaging with a Video Camera
An Introduction to Digital Imagers
Camera Focusing - A Primer
CCD Field of View
Image Projection Explained
Apparent Magnitude and Imaging
Imaging and Autoguiding - A Primer
Monochrome versus Colour Sensors
Assembling an Astro Imaging System
Sensor Dust
USB Fundamentals
Monthly Sky Watch

About Peter
"As a young boy I can still recall the electrifying atmosphere in that coffee shop in the summer of 1969 as children and grownups were witnessing the events of the first Moon landing unfolding on the TV screen.

It left quite an impression that later led to the purchase of my first telescope, a 60mm refractor with which I enjoyed looking at the Moon, Jupiter and Saturn.

In a way I was quite lucky as our high school housed a small professional observatory with an equatorially mounted refractor and two wide field instruments, their main purpose to monitor the trajectories of the first Sputnik satellites.
Peter Karboulonis.
It was there that for the first time that I was introduced to imaging the Moon and planets on film using SLR cameras.

Since then I have owned and used several telescopes, dedicated astronomy cameras, video cameras and DSLRs. The articles in this section incorporate much of what I have learned during this process, I sincerely hope that you find the articles interesting and useful. "

We are always interested in quality ‘how to’ articles to publish on the Opticstar website. If you would like to submit your own article for publication please Email Us.

All material in this section is the copyright of Peter Karboulonis.
Product Search

Opticstar News
New DS-616C XL+ Model
posted: 24th August 2017
Opticstar DS-616C XL+.
Star product, improved.

The new Opticstar DS-616C XL+ deep-sky CCD is the successor to the popular DS-616C XL that earned the annual star product award back in 2013. It maintains all the features of the original model as well as other improvements.

DS-616C XL is Astronomy Magazine's Star Product
posted: 12th September 2013
Opticstar DS-616C XL is Astronomy magazine's product of the year.
Star product.

The Opticstar DS-616C XL deep-sky CCD camera has earned the annual star product award from Astronomy, the world's best-selling astronomy magazine. Read about it in the September 2013 issue.

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Willmann Bell
Books for Astronomy
updated: 28th February 2019
Willman Bell books.
Acclaimed books from Willmann Bell...
Opticstar News
Imaging Brochure
updated: 10th February 2014
Opticstar brochure.
Download the Opticstar imaging catalogue here.
CCD Temperature And Dark Current Correction
Dark current.
An important step in CCD image calibration is the...
A&M 152mm f/8 Review
"Fantastic Performance" "Beauty of a Ferrari"
updated: 25th March 2009
A&M 152mm f/8 TMB.
Read the latest review about the A&M 152mm f/8 A&M/TMB on Cloudy Nights. According to the review this telescope combines the "beauty of a Ferrari" with "fantastic performance". The review also states that "the manufacturer's claims are valid".
We want to hear your comments.
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