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Ascension Wide Angle Eyepieces
Wide Field of View - Superior Sharpness - Excellent Value
Ascension 66° Wide Angle eyepieces.
Ascension Wide Angle 66° eyepieces.
  • 66° Wide Angle eyepieces.
  • Superior contrast across the field.
  • Multi-layred coating.
  • Straight-up eyecup.
  • Safety groove, threaded.
  • Good Eye relief.
Ascension Telescope
Ascension 1.25" Wide Angle 66° eyepieces
Model / Description View in Showroom Order code Price inc VAT Shipping Dispatched witnin click button to purchase
Asc 6mm WA no ASCEP6616 £ 17.95 £ 5.00 24 hours
Asc 9mm WA no ASCEP6619 £ 17.95 £ 5.00 24 hours
Asc 15mm WA no ASCEP66115 £ --- £ --- out of stock
Asc 20mm WA no ASCEP66120 £ 17.95 £ 5.00 24 hours

These 5 element wide angle 1.25" eyepieces represent excellent value for money. They feature superior sharpness across the field and a generous 66 degree field of view when compared with typical 4-element Super Plossl designs. All air to glass surfaces have a multi-layer coating for superior contrast and light transmission. Straight-up eyecup. Insert tube has safety groove and is threaded for standard 1.25" filters.

Eye Relief 20mm (17mm Eye Relief), 15mm (13mm Eye Relief), 9mm (15mm Eye Relief), 6mm (14mm Eye Relief)

Focal Length Field of View Eye Relief Aperture
6mm 66 degree 14mm 1.25"
9mm 66 degree 15mm 1.25"
15mm 66 degree 13mm 1.25"
20mm 66 degree 17mm 1.25"

Ascension 66° Wide Angle eyepieces.
Ascension Wide Angle 66° eyepieces.

Ascension 66° Wide Angle eyepieces.
Ascension Wide Angle 66° eyepieces.

We are constantly checking the accuracy of the technical data. We are prepared to provide more detailed information on request. Technical data is subject to change without notice.

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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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updated: 22nd August 2017
Online shopping.
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Willmann Bell
Books for Astronomy
updated: 14th August 2018
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".
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