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THE WIDESCREEN CENTER

Eyepiece selector
Manufacturer: Type:
Barrel Diameter: Price:

The long eye-relief eyepiece with instadjust eyeguards

"What sets Radians apart from other long eye-relief, short focal length eyepieces is superb image quality. Even discerning planetary observers who customarily choose plossl or orthoscopic designs are switching to radians" - Sky & Telescope, December 1999.

By optimising the design with fully coated exotic glass, Tele Vue achieved their goal of full field sharpness with true orthoscopic linearity, highest contrast for critical planetary viewing, and compact size!

The size and weight blend of these Radian eyepieces make them preferable for small scopes and bino-viewers, and have the added convenience of being parfocal with other 1 ¼ inch Tele Vue eyepieces.

Model #

Focal
Length
(mm)

Barrel
Size
(in.)

Ele-
ments
/Groups

Apparent
Field
of View
(deg.)

Par-
focal
Group

Eye
Relief
(mm)

Weight
(lb / oz)

 ERD-18.0

 18

 1¼"

 6 / 4

 60

 B

 20

 0.49/7.8

 ERD-14.0

 14

 1¼"

 6 / 4

 60

 B

 20

 0.54/8.7

 ERD-12.0

 12

 1¼"

 6 / 4

 60

 B

 20

 0.53/8.5

 ERD-10.0

 10

 1¼"

 6 / 4

 60

 B

 20

 0.54/8.7

 ERD-08.0

 8

 1¼"

 6 / 4

 60

 B

 20

 0.60/9.6

 ERD-06.0

 6

 1¼"

 7 / 5

 60

 B

 20

 0.79/12.6

 ERD-05.0

 5

 1¼"

 7 / 5

 60

 B

 20

 0.80/12.8

 ERD-04.0

 4

 1¼"

 7 / 5

 60

 B

 20

 0.76/12.1

 ERD-03.0

 3

 1¼"

 7 / 5

 60

 B

 20

 0.77/12.3


Radian 14mm Eyepiece Radian 14mm Eyepiece
Product code: ERD-14.0
Manufacturer: TeleVue

£190.00
Radian 5mm Eyepiece Radian 5mm Eyepiece
Product code: ERD-05.0
Manufacturer: TeleVue

£190.00
Radian 4mm Eyepiece Radian 4mm Eyepiece
Product code: ERD-04.0
Manufacturer: TeleVue

£190.00
Radian 3mm Eyepiece Radian 3mm Eyepiece
Product code: ERD-03.0
Manufacturer: TeleVue

£190.00




SPECIAL NEWS

 

Time to hit the Park again! 

This month's postponed meeting of 

The Baker Street Irregular Astronomers 

will be held this week on

Wednesday 22nd May from 6.30pm

If the weather doesn't play ball, we'll be in the pub instead. See www.bakerstreetastro.org.uk or follow us on Facebook or Twitter to find out more

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Special offer while stocks last only.

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William Optics ZenithStar 71mm DOUBLET ED APO + Field Flattener
William Optics ZenithStar 71mm DOUBLET ED APO + Field Flattener


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