resurrecting an old classic - Anjal Sharma's Astrophotography Pages
resurrecting an old classic - Anjal Sharma's Astrophotography Pages
resurrecting an old classic - Anjal Sharma's Astrophotography Pages
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NJP Mount<br />
WHAT IS A TAKAHASHI EPSILON-200 ASTROGRAPH?<br />
S-ELL HD<br />
Tripod<br />
Epsilon-200<br />
Astrograph<br />
PD5-XY<br />
Drive<br />
Controller<br />
(Non-Goto<br />
<strong>an</strong>d<br />
without<br />
Autoguide<br />
Port)<br />
• Primarily designed for astrophotography,<br />
with a fast focal ratio, a flat photographic<br />
field <strong>an</strong>d a large 56mm fully illuminated<br />
image circle.<br />
• Modified 8inch (200mm) hyperbolic primary<br />
mirror Newtoni<strong>an</strong> design at f/4.<br />
• Hyperbolic mirror surfaces provide better<br />
spherical aberration correction over<br />
traditional parabolic or spherical primary<br />
mirror surface designs.<br />
• A dedicated field-flattener lens provides <strong>an</strong><br />
extremely flat photographic field with a fully<br />
illuminated image circle large enough to<br />
cover most large format sensors – including<br />
Pentax 120 medium format roll-film.<br />
• Also offered packaged with the ultrasmooth<br />
(+/- 6 arc.sec P.E.) medium heavy<br />
duty (70 lbs load capacity) Takahashi NJP<br />
Germ<strong>an</strong> Equatorial Mount.<br />
• First introduced in 1984 <strong>an</strong>d stayed in<br />
production for about 10 years.
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