Baader Planetarium 28mm Finetuning Ring

R325.00

Baader Planetarium 28mm finetuning ring (FTR).

Used with the Baader Planetarium Hyperion eyepieces to tune the magnification of the eyepiece.


Eyepiece focal length14mm FTR28mm FTR14mm+28mm FTR2" Baader filterWithout first group of lenses

21.0

17.6

15.5

14.0

18.5

32.3

17.0

13.1

10.8

9.2

14.6

21.8

13.0

10.8

9.2

8.1

11.7

22.9

8.0

6.0

5.0

4.3

6.9

21.8

5.0

4.0

5.4

2.6

4.3

22.5

3.5

2.5

2.9

1.8

2.9

21.8

This ring is also usefull to extend the 2" interface of TeleVue Ethos eyepieces beyond the 1.25" nosepiece to fit 2" filters.

Please enquire when stock is indicated as zero.  Availability is typically within 2 months - please enquire.



Add to Cart:

  • Model: BP_27_2958228
  • Shipping Weight: 0.2kgs
  • 2 Units in Stock
  • Manufactured by: Baader Planetarium


This product was added to our catalog on Saturday 02 August, 2008.

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