StarBright XLT
A very important factor in evaluating the performance of telescopes is transmission, that is the proportion of incident light that arrives at the image plane.
The main characteristics of the StarBright®-XLT coating are as follows:
- Highly reflective multi-layer mirror coating: the mirror coatings consist of precisely applied layers of aluminium, quartz, titanium dioxide and more quartz. The reflectivity is constant across the spectrum, and the three layers of coating provide excellent protection against the ageing of the mirror surface.
- Corrector plate: crystal-clear glass instead of soda lime glass is used for the corrector plate in all Celestron Schmidt-Cassegrain optics with StarBright-XLT coating. Uncoated, this glass delivers approximately 90.5% transmission. Together with the StarBright®-XLT coating, its transmission reaches 97.4%!
The entire optical system consisting the corrector plate, mirror and lenses achieve a transmission maximum of 89% at 520 nanometres (where the dark-adjusted human eye has its highest light sensitivity). The average transmission over the entire visual spectrum from 400 to 750 nanometres is 83.5%.
Celestron
Smart Telescope S 152/335 Origin Intelligent Home Observatory
$ 6,300.00
ready for shipping in 24
h
Celestron
Telescope N 127/1000 StarSense Explorer LT 127 AZ
$ 353.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 203/2032 NexStar 8 SE GoTo
$ 2,670.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 235/2350 NexStar Evolution 925
( 4 / 5 )
$ 4,300.00
ready for shipping in 24
h
Celestron
Telescope AC 70/700 StarSense Explorer LT 70 AZ
$ 247.00
ready for shipping in 24
h
Celestron
Telescope N 114/1000 StarSense Explorer LT 114 AZ
$ 317.00
ready for shipping in 24
h
Celestron
Telescope AC 102/660 StarSense Explorer DX 102 AZ
$ 660.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 279/2800 EdgeHD 1100 CPC Deluxe GoTo
$ 7,600.00
ready for shipping in 1-2
weeks
Celestron
Telescope N 130/650 StarSense Explorer DX 130 AZ
$ 750.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 203/2032 EdgeHD 800 AVX GoTo
( 5 / 5 )
$ 3,830.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 150/1500 StarSense Explorer DX 6 AZ
$ 1,290.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 203/2032 EdgeHD NexStar Evolution 8 StarSense GoTo
( 3.5 / 5 )
$ 4,600.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 152/1500 NexStar 6 SE GoTo
( 4 / 5 )
$ 1,940.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 279/2800 CPC 1100 GoTo
$ 6,500.00
Sale price:
$ 5,300.72
ready for shipping in 24
h
Celestron
Telescope N 130/650 NexStar 130 SLT GoTo
( 5 / 5 )
$ 990.00
ready for shipping in 24
h
Celestron
Telescope AC 80/900 StarSense Explorer LT 80 AZ
$ 329.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 150/1500 NexStar Evolution 6
( 4.5 / 5 )
$ 2,600.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 203/2032 CPC 800 GoTo
( 4 / 5 )
$ 3,660.00
ready for shipping in 1-2
weeks
Celestron
Telescope Astrograph S 203/400 RASA 800 AVX GoTo
$ 4,420.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 203/2032 NexStar Evolution 8
( 4 / 5 )
$ 3,420.00
ready for shipping in 1-2
weeks
Celestron
Dobson telescope N 203/1200 StarSense Explorer DOB
$ 1,390.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 279/2800 CGEM II 1100 GoTo
$ 6,600.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 235/2350 CPC 925 GoTo
RRP:
$ 4,890.00
Our price:
$ 4,830.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 127/1250 NexStar 5 SE GoTo
$ 1,680.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 356/3910 EdgeHD 1400 CGX-L GoTo
$ 18,800.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 279/2800 CGX 1100 GoTo
$ 7,100.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 279/2800 EdgeHD 1100 CGX GoTo
$ 8,900.00
ready for shipping in 1-2
weeks
Celestron
SC 203/2032 advanced VX AS-VX 8" GoTo telescope
( 5 / 5 )
$ 3,130.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 235/2350 EdgeHD 925 CGX GoTo
$ 7,000.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 150/1500 NexStar SLT 6
$ 1,290.00
ready for shipping in 1-2
weeks
Celestron
Dobson telescope N 254/1200 StarSense Explorer DOB
$ 1,830.00
ready for shipping in 24
h
Celestron
Schmidt-Cassegrain telescope SC 235/2350 EdgeHD 925 AVX GoTo
$ 5,100.00
ready for shipping in 1-2
weeks
Celestron
SC 279/2800 advanced VX AS-VX 11" GoTo telescope
$ 4,890.00
ready for shipping in 1-2
weeks
Celestron
Maksutov telescope MC 102/1325 NexStar 4 SE GoTo
( 5 / 5 )
$ 1,230.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 235/2350 C925 OTA
$ 2,480.00
ready for shipping in 1-2
weeks
Celestron
Schmidt-Cassegrain telescope SC 203/2032 C8 OTA
$ 1,710.00
ready for shipping in 1-2
weeks