What are the OTA dimensions for a 10" LX200R and a C8 or 8"LX200R

[h0ughy]

if anyone is available to measure their scope OTA's i am after a few dimensions - the internal diameter of the tube objective - from inside of where the dew shield fits on? Need the meade 10" LX200R and the 8" as well, the C8 and ED80? Can anyone help out - thats not at work and enjoying the perfect day!!

[batema]

Hi,
I have a nine year old C8 and the internal measurement where the tube cap fits on is approx 22.6 cm. This is measured from the inside to inside lens cap cover. From outside to outside you are looking at approx 23cm and length from front to back of OTA is approx 43cm ans to the end of the diagonal that came standard with the scope os 54cm. Hope this helps
Mark

[h0ughy]

thanks Mark it certainly helps - just drafting up something here at work;)

[RB]

What?
A cheque? :P

:poke:

[h0ughy]

are you spamming me:lol:

no it is for a good reason - secret mission:whistle:

[acropolite]

Well, Sir h0ugh, if no one else has replied by tomorrow AM I shall, forthwith, remove my LX90 OTA from it's place of rest and proceed to measure its outwardly and inwardly dimensions....

[h0ughy]

thanks Phil:)

[acropolite]

Measurements of LX90 8" OTA are assuming Meade didn't change the dimensions of the OTA with the introduction of the R series. The internal dimensions, as near as I can reckon, (it's impossible to put a ruler unimpeded side to side because of the secondary housing) is 226 mm the outside 230mm (might be +/- 1mm). The secondary housing is 75mm diameter and protrudes past the end of the OTA. (just in case you were thinking of slipping a mask inside, you'll need to cut out the secondary location....)

[h0ughy]

thanks Phil

[h0ughy]

Thinks Phil et a for your responses - except RB - for that jibe I will see you at IISAC naglers as 20 paces.

OK I measured the scopes I have and decided on the following measurements

Scope size internal measurement objective lip centre measurement assume central bar of 12mm bar size
ED80 80mm 108 80 12 0 12 12
127ED 127 148 127 12 0 12 6
C8 203.2 226 203.2 12 70 12 12
R200SS 200 220 200 12 65 12 5
LX200R 250 284 250 14 86 12 15

[RB]

.... and what about when you use a focal reducer Einstein?

:poke: :lol: