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Tele-Extenders
7 Item(s)
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Celestron - Tele-Extender Deluxe for Schmidt-Cassegrain Telescopes
The Deluxe Tele-Extender for Schmidt-Cassegrain telescopes is a hollow tube that allows you to attach a camera to your telescope, with an eyepiece installed. By using the Deluxe Tele-Extender in combination with an eyepiece, you can increase your instrument's effective focal length to well over 10,000mm! And this corresponds with a matching increase in image size. This technique is known as eyepiece projection photography. The following formula can be used to determine approximate effective focal length:
... Learn MoreModel#: 93643
$55.00 -
TeleVue - 0.25 " Length Accessory Tube for 2.4 "
The Televue Spacer 0.250" (6.4mm) threaded coupling provides the necessary distance for proper spacing between field lenses and CCD chip. It is designed for Televue Imaging System telescopes with 2.4" focusers ... Learn More
Model#: TLA-0250
$40.00 -
TeleVue - 0.375 " Length Accessory Tube for 2.4 "
The Televue Spacer 0.375" (9.5mm) threaded coupling provides the necessary distance for proper spacing between field lenses and CCD chip. Required spacers will vary, depending on camera used ... Learn More
Model#: TLB-0375
$40.00 -
TeleVue - 0.50 " Length Accessory Tube for 2.4 "
The Televue 0.500" (12.7mm) Spacer threaded coupling provides the necessary distance for proper spacing between field lenses and CCD chip. Required spacers will vary, depending on camera used ... Learn More
Model#: TLC-0500
$40.00 -
TeleVue - 1.0 " Length Accessory Tube for 2.4 "
The Televue 1.00" (25.4mm) Spacer threaded coupling provides the necessary distance for proper spacing between field lenses and CCD chip. Required spacers will vary, depending on camera used ... Learn More
Model#: TLD-1000
$40.00 -
Vixen - Tele-Extender R 2X
The Vixen Tele-Extender R extends the focal length of several Vixen telescopes in order to do high power visual work or prime focus imaging with the necessary T-ring (not included) ... Learn More
FREE SHIPPINGModel#: 3631(48 States)
$219.00 -
Vixen - Tele-Extender R200SS
Designed to increase the focal length of the R200SS to 1500mm (f /7.5), this Tele-Extender is designed for astrophotographic use only
... Learn MoreModel#: 3839
$129.00
7 Item(s)
