Differences

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--- en:ost:fokus_new [2023/12/06 13:21] – [General remarks] rhainich
+++ en:ost:fokus_new [2023/12/06 13:30] (current) – [General remarks] rhainich
@@ Line 9: / Line 9: @@
 ++++ Calculation of the ideal adapter |
-The back focus of the telescope is 147 mm (behind the EFA). The eyepiece clamp used has a back focus of 12.5 mm. The length of the ideal adapter ''D'' is therefore calculated as follows:
+The back focus of the telescope is 147 mm (behind the EFA). The Zeiss quick changer used has a back focus of 25 mm. The length of the ideal adapter ''D'' is therefore calculated as follows:
    D = 147 − 12,5 − 33/2 - C,
-where ''C'' is the backfocus of the respective instrument. The STF-8300 together with all attachments has a backfocus of 57.5 mm. Therefore, the ideal adapter for the STF-8300 is 60mm long.
+where ''C'' is the backfocus of the respective instrument. The STF-8300 together with all attachments has a backfocus of 57.5 mm. Therefore, the ideal adapter for the STF-8300 is 50mm long.
 ++++