0.8X reducer lens body for TV-102 and TV-102iis refractors

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This TeleVue 0.8x magnification multicoated auxiliary lens system reduces by 20% the focal length of the TeleVue TV-102iis and the TV-102 and other TeleVue 2” focuser refractors. The field of view and lens speed of the telescope accordingly increases by 25%. For example, with a TV-102, the focal length decreases from 880mm to 704mm and the focal ratio shortens from f/8.6 to f/6.9. The reducer works with film and CCD formats up to standard 35mm size.

The reducer is optimized for the 55mm back focal length typical of 35mm SLR and digital SLR cameras that accept T-rings. To attach an optional T-ring to the back of the reducer, you will need either optional adapter #13TRA to use a standard T-ring or optional adapter #13CAW to use a Canon T-ring (the #13CAW eliminates the inner portion of Canon T-rings to provide a larger diameter opening for reduced vignetting). Attaching the SBIG STL11000 Research Series CCD camera will require an optional #13STL adapter.

The #1362 is constructed to work with 2” focuser drawtube telescopes (such as the TV-102) as well as the threaded imaging system accessories of the TV-102iis refractor.

In addition to this #1362, imaging will require one of three combinations of some of the following accessories (which combination is used depends on the type of camera – see the system charts in the feature images below):
a #13T025 0.25” spacer,
a #13T050 0.5” spacer,
a #13T100 1.0” spacer,
a #13CAW Canon wide T-adapter, and Canon T-ring,
a #13TRA standard T-ring adapter, and an appropriate T-ring,
a #13STL SBIG STL11000 camera adapter,
plus the imaging system adapter supplied with the TeleVue telescope.
When using non-IS scopes (such as the TV-102) that have a 2” focuser drawtube, an optional #1363 adapter is required in place of the imaging system adapter that is supplied with the TV-102iis and labeled part A in the system charts.

The system chart feature images below show the required order in which the #1362 and the other optional accessories should be assembled for proper operation.

Weight:
The weight of this product.
8 oz.
Warranty:
5 years
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TeleVue - 0.8X reducer lens body for TV-102 and TV-102iis refractors

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TeleVue - 0.8X reducer lens body for TV-102 and TV-102iis refractorsChart showing the accessories needed for prime focus imaging with an APS or smaller CCD chip size digital SLR and a TeleVue TV-102 or TV-102iis scope.Chart showing the accessories needed for prime focus imaging with a digital SLR or SBIG STL11000 CCD camera and a TeleVue TV-102 or TV-102iis scope.
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Our Product #: 1362
Manufacturer Product #: RFL-4087
Price: $315.00  FREE ground shipping - Click for more info
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MSRP: $375.00
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This TeleVue 0.8x lens reduces the focal length of TeleVue TV-102 and TV-102iis refractors for wider field 35mm and CCD astrophotography . . .





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