cart 0

Products

Epsilon-180ED Tube assembly ONLY

TEK18010
Enquiry Item
EPSILON-180ED F/2.8 is one of Takahashi's new products in 2005. This new design incorporates an ED corrector to achieve an incredible photographic speed of f/2.8.
Share
Enquire for more information or email us specifics at sales@astro.com.sg.
'

Takahashi Epsilon-180ED


EPSILON-180ED F/2.8 is one of Takahashi’s new products in 2005. This new design incorporates an ED corrector to achieve an incredible photographic speed of f/2.8. This wide flat field instrument is ideal for photo and visual applications. It may be used with as an Astrograph for medium format, 35mm film and digital as well as many CCD cameras. Exposure Times will be greatly reduced at F2.8 and star images are a mere 10 microns across the filed. The Epsilon-180ED Hyperbolic Astrograph is unique and in a class of its own.



 

Components :
TEK18010 Epsilon-180ED tube ass\'y OTA
TKA00552 7x50 finder scope

Epsilon-180 Hyperbolic Astrograph Specifications
Effective aperture ……………………………………. 180mm
Effective focal length ………………………………. 500mm
Focal ratio ……………………………………………………. f/2.8
Primary mirror ……………………………………………. 190mm
Diagonal mirror ……………………………………………. 80mm
Image circle …………………………44mm (60% illuminated)
Diameter of main tube ………………………………. 232mm
Length of main tube …………………………………. 570mm
Weight …………………………………………. Approx. 10.7kgs
Finder scope …………………………………………………. 7x50

 

Optical Tube Assembly
Effective Aperture
180mm
Optical Design
Hyperbolic Astrograph (Flat Field ED)
Primary Diameter
190mm
Secondary Diameter
80mm
Focal Length
500mm
Focal Ratio
F/2.8
Image Circle
Ø44mm
Photo Field
Star Image size across FOV
10 microns
Tube Diameter
Ø232mm
Tube Length
570mm (22.5”)
Weight
10.7kg (23.5lbs) – w 7x50
Finder Scope
7x50 6.3°

 

'