Optics for Astrophotography
Optics for Astrophotography
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Astrophotography Set
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Focal length, mm
|
Relative aperture
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Angular field-of-view, deg
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Price
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-
|
|
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2000
|
1/20
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1.25
|
708 USD
|
|
|
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2000
|
1/20
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1.25
|
654 USD
|
|
|
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1000
|
1/11.2
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2.5
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644 USD
|
|
|
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600
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1/9
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4
|
504 USD
|
|
|
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1000
|
1/16
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2.5
|
524 USD
|
|
|
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1000
|
1/16
|
2.5
|
484 USD
|
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The Zenit cameras (Zenit
122, Zenit 312M, Zenit
412DX, Zenit 412LS
and others) attaches directly to the sets without adapters of any kind and produces
excellent telephoto or astronomical photographs.
To see pictures made with the telephoto lenses see
here >>
Here are the examples:
| Set: |
Picture: |
Description: |
Zenit 122 camera +
Rubinar 10/1000 lens
+
Teleconverter TKL-2
|
 |
The Rubinars work well with the TKL-2x teleconverter and effectively increase
the focal length to 2000mm and the f ratio to 20. This combination is excellent
for lunar photography and for the planets. With an appropriae filter photographs
of the sun will show sunspots and other features. With an H alpha system
true surface images can be made with startling deail and clarity. |
Zenit 122 camera +
Rubinar 5.6/500 lens
+
Teleconverter TKL-2
|
 |
The 5.6/500mm Rubinar can be used with the 2x converter without measurable
loss of detail. The converter connects directly to the lesns and the camera
to the converter making an effective focal length of 1000mm at a focal ration
of f11. An excellent combination for nature and bird photography. |
Zenit 122 camera +
Rubinar 4.5/300 lens
+
Teleconverter TKL-2 |
 |
The 300mm Rubnar can be used with the 2x teleconverter and the zenit camera
giving an effective focal length of 600mm at f9.This is a very convenient
lens combination to produce very long range terresterial photographs and
vor whole disk photographs of the lunar surface. An excellent scope for
larger views of the deep sky and used with a good tracking mount. |
Canon EOS, Canon FD, Minolta MD, Nikon, Contax/Yashica cameras (film
or digital) and other brands can be used with the astrophotography sets by way
of the adapter rings.
If you purchase the special adapter, you can use the sets for different cameras.
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