The main difference between the two telescopes is the general built or optical design. The 130 SLT is a newtonian reflector while the 127 SLT is a maksutov-cassegrain. As their names suggest the 127 SLT has an apperture of 127mm while the 130 SLT model has an aperture of 130mm.
Name of Telescopes
Celestron 31145 NexStar 130SLT Portable Computerised Newtonian Reflector Telescope with Quick-Release Fork-arm Mount, Accessory Tray and 'Starry Night' Special Edition Software, Grey
Celestron 22097 NexStar 127SLT-Mak Portable Computerised Maksutov-Cassegrain Telescope, Grey
Prime Status
-
-
Aperture
130mm
127mm
Computerized
Technology
SkyAlign
SkyAlign
Price
$629.81
$619.99
Discount Link
Name of Telescopes
Celestron 31145 NexStar 130SLT Portable Computerised Newtonian Reflector Telescope with Quick-Release Fork-arm Mount, Accessory Tray and 'Starry Night' Special Edition Software, Grey
Prime Status
-
Aperture
130mm
Computerized
Technology
SkyAlign
Price
$629.81
Discount Link
Name of Telescopes
Celestron 22097 NexStar 127SLT-Mak Portable Computerised Maksutov-Cassegrain Telescope, Grey
Prime Status
-
Aperture
127mm
Computerized
Technology
SkyAlign
Price
$619.99
Discount Link
