Image of the day

From the
ATWB Customer Gallery

North American Nebula

My Account

New to Astromart?

Register an account...

Need Help?

If you have any questions or experiencing an issue please report to support@astromart.com

Eyepieces

Not Exact? ..... Exactly

Posted by David Russell 07/12/2016 12:00AM   (Reviews/Eyepieces/Other)

Not Exact? ..... Exactly

Eyepiece AFOV and Barlow magnification factors can effectively vary from manufacturer specified values.

A Review of 1.25" 32mm Eyepieces

Posted by David Russell 07/22/2014 12:00AM   (Reviews/Eyepieces/12mm-And-Up)

A Review of 1.25" 32mm Eyepieces

The 32mm 1.25” plossl is one of a handful of available eyepieces that offers the maximum possible TFOV in the 1.25” format. However, reviews of the various 32mm 1.25” options are hard to find. With that in mind I gathered a sample of five different 32mm 1.25” eyepieces currently in production and added the 35mm 1.25” Orion Ultrascopic to the sample.

A review of the 20mm ES68, 20mm Pentax XW, and 20mm Waterproof Meade UWA

Posted by David Russell 07/07/2013 12:00AM   (Reviews/Eyepieces/12mm-And-Up)

A review of the 20mm ES68, 20mm Pentax XW, and 20mm Waterproof Meade UWA

The eyepiece market provides numerous options with a 20mm focal length ranging from inexpensive 20mm plossls to expensive “premium” options offered by Pentax and Televue. Eyepieces with a 20mm FL are very versatile giving exit pupils ranging from 4.4mm to 2.0mm with scopes having focal ratios from F/4.5 to F/10...