Takahashi E-160 Epsilon 160mm f/3.3 ED Astrograph OTA
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- This item is out of stock.
- We have no ETA from the manufacturer at this time.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
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The Epsilon series of astrographs are specifically designed for exceptional astrophotography. Takahashi’s proprietary optical design features a hyperbolic, concave primary mirror with a 2 element corrector lens to eliminate spherical aberration and coma. Compared to the conventional Schmidt camera design, the chromatic aberration is reduced by half, even out to large viewing angles.
The E-160ED reflecting telescope has an aperture of 160 mm and a focal length of 530 mm and provides a well corrected flat field for full frame imaging sensors.
Thorough aberration correction is realized by by optimizing the interaction of the hyperbolic mirror and the corrector. By using ED glass in the corrector, a spot image within 3 μm has been achieved at the periphery of a full frame imaging sensor. The E-160ED combines the ease of handling of the E-130D with the high performance of the E-180ED.
The eccentric oblique mirror and the spider vane design are used to suppress the scatter of light similar to the current epsilon models. The method of holding the primary mirror uses the same system as E-180ED. The optical axis adjustment screw of the primary mirror has a structure in which push screws are arranged on both sides of the pull screw. The central cover can be removed to allow for rapid temperature acclimation.
NOTE:
The corrector for the E-160ED cannot be used with the older E-160 OTA. Price includes OTA only. Mount, tripod, tube holder and finder sold separately.
Takahashi E-160ED Specifications
- Optical Design: Hyperbolic Newtonian
- Effective aperture: 160 mm
- Oblique mirror minor diameter: 63 mm
- Correction lens: 2 elements in 2 groups (1 of which is ED glass)
- Focal length: 530 mm
- Focal ratio: 1: 3.3
- Image circle: φ44 mm (angle of view: 4.8°)
- Lens barrel diameter: 204 mm
- Tube length: 580 mm
- Weight: 6.9 kg
- Viewfinder: 6x30 or 7x50, Sold separately
Other Information
- Country of Manufacture: Japan
The Epsilon series of astrographs are specifically designed for exceptional astrophotography. Takahashi’s proprietary optical design features a hyperbolic, concave primary mirror with a 2 element corrector lens to eliminate spherical aberration and coma. Compared to the conventional Schmidt camera design, the chromatic aberration is reduced by half, even out to large viewing angles.
The E-160ED reflecting telescope has an aperture of 160 mm and a focal length of 530 mm and provides a well corrected flat field for full frame imaging sensors.
Thorough aberration correction is realized by by optimizing the interaction of the hyperbolic mirror and the corrector. By using ED glass in the corrector, a spot image within 3 μm has been achieved at the periphery of a full frame imaging sensor. The E-160ED combines the ease of handling of the E-130D with the high performance of the E-180ED.
The eccentric oblique mirror and the spider vane design are used to suppress the scatter of light similar to the current epsilon models. The method of holding the primary mirror uses the same system as E-180ED. The optical axis adjustment screw of the primary mirror has a structure in which push screws are arranged on both sides of the pull screw. The central cover can be removed to allow for rapid temperature acclimation.
NOTE:
The corrector for the E-160ED cannot be used with the older E-160 OTA. Price includes OTA only. Mount, tripod, tube holder and finder sold separately.
Takahashi E-160ED Specifications
- Optical Design: Hyperbolic Newtonian
- Effective aperture: 160 mm
- Oblique mirror minor diameter: 63 mm
- Correction lens: 2 elements in 2 groups (1 of which is ED glass)
- Focal length: 530 mm
- Focal ratio: 1: 3.3
- Image circle: φ44 mm (angle of view: 4.8°)
- Lens barrel diameter: 204 mm
- Tube length: 580 mm
- Weight: 6.9 kg
- Viewfinder: 6x30 or 7x50, Sold separately
- 1x Optical Tube Assembly
- 1x Visual adapter TKP69005
- 1x Visual coupling (S) TKP00103
- 1x Corrector lens TKP59580
- 1x Eyepiece adapter 31.7 TKP00101
The Epsilon series of astrographs are specifically designed for exceptional astrophotography. Takahashi’s proprietary optical design features a hyperbolic, concave primary mirror with a 2 element corrector lens to eliminate spherical aberration and coma. Compared to the conventional Schmidt camera design, the chromatic aberration is reduced by half, even out to large viewing angles.
The E-160ED reflecting telescope has an aperture of 160 mm and a focal length of 530 mm and provides a well corrected flat field for full frame imaging sensors.
Thorough aberration correction is realized by by optimizing the interaction of the hyperbolic mirror and the corrector. By using ED glass in the corrector, a spot image within 3 μm has been achieved at the periphery of a full frame imaging sensor. The E-160ED combines the ease of handling of the E-130D with the high performance of the E-180ED.
The eccentric oblique mirror and the spider vane design are used to suppress the scatter of light similar to the current epsilon models. The method of holding the primary mirror uses the same system as E-180ED. The optical axis adjustment screw of the primary mirror has a structure in which push screws are arranged on both sides of the pull screw. The central cover can be removed to allow for rapid temperature acclimation.
NOTE:
The corrector for the E-160ED cannot be used with the older E-160 OTA. Price includes OTA only. Mount, tripod, tube holder and finder sold separately.
Takahashi E-160ED Specifications
- Optical Design: Hyperbolic Newtonian
- Effective aperture: 160 mm
- Oblique mirror minor diameter: 63 mm
- Correction lens: 2 elements in 2 groups (1 of which is ED glass)
- Focal length: 530 mm
- Focal ratio: 1: 3.3
- Image circle: φ44 mm (angle of view: 4.8°)
- Lens barrel diameter: 204 mm
- Tube length: 580 mm
- Weight: 6.9 kg
- Viewfinder: 6x30 or 7x50, Sold separately
Other Information
- Country of Manufacture: Japan
| Free Shipping Graphic | Free Contiguous US Shipping |
|---|---|
| Telescope Focal Length | 501 - 600mm |
| Hide Found a better Shipped Price on Frontend? | No |
- 1x Optical Tube Assembly
- 1x Visual adapter TKP69005
- 1x Visual coupling (S) TKP00103
- 1x Corrector lens TKP59580
- 1x Eyepiece adapter 31.7 TKP00101