ADAPTORS FOR ODK (enter qty required)

ODK Fixing adjustment rings. 85mm diameter

all (except 5 & 10mm) have internal baffles to help remove or eliminate stray light. They take up the following in the back focal distance (BFD) £75 each [Stack of rings shown]

5mm FAR85-5

10mm FAR85-10

15mm FAR85-15

20mm FAR85-20

25mm FAR85-25

30mm FAR85-30

40mm FAR85-40

50mm FAR85-50

ODK Specified Adaptors

Adaptors down from 85mm to camera. filter wheel or adaptive optics (£150) each) using up to 15mm BFD. Email us with requirements to john@orionoptics.co.uk mark email heading ODK 85mm to camera fitting.

ODK Adaptors down from 85mm to specified

Adaptors down from 85mm to specified internal diameter 3", 2" or 1 1/4" using up 10mm in BFD (£135 each)

FAR 85 - 1 1/4 inch

FAR 85 - 2 inch

FAR 85 - 3 inch

ODK Adaptors down from 3" to 2"

Adaptors down from 3" to 2" push fit with brass compression ring using up 10mm in BFD (£115 each)

ADT 3 inch - 2 inch

ODK Adaptors down from 2" to 1 1/4"

Adaptors down from 2" to 1 1/4" using up 10mm in BDF (£25 each)

ADT 2 - 1 1/4 inch

ODK to FLI Adaptors

Adaptors for use with FLI Equipment:

85mm fixed adaptor ring to 2" thread 12mm BFD - £150 each

85mm fixed adaptor ring to 3" thread 12mm BFD - £150 each

85mm fixed adaptor ring to M92 thread 12mm BFD - £150 each

You can edit or remove items from the Shop Page

Please Note: All prices shown EXCLUDE VAT

Please Note: The OC2 Crayford takes up 58mm of BFD. It also has 15mm of movement on the drawtube. (See example below)

Example  (BFD back focal distance)
ODK12 BFD is 209mm - (OC2 focus mount 65.5mm)- (Camera equipment 120mm) = 23.5mm remaining fot FAR adaptors.
Adaptors to use as an example would be:
FAR85-2" using 10mm BFD, FAR85-15 using 15mm BFD. The last few millimeters can be absorbed by the movement on the OC2 focus mount.

CFW-3-20

CFW-3-12

CFW-3-10

CFW-4-5

CFW-5-7

CFW-6-6

43.8

43.8

43.8

42.2

43.8

46.9

38.6

38.6

38.6

37.0

38.6

41.7

100

100

100

101

100

97

105

105

105

107

105

102

Recommended Adaptors for Above:

ADTFAR85-FLI-3"
85mm fixed adaptor ring to 3" thread
12mm BFD (£150 each)

The remaining numbers
can be focused using
the OC2 focus mount.

The selection shown
is recommended -
you may
change the item
quantity numbers
as required

2x ADPTFAR85-40
85mm fixed adaptor ring 40mm BFD
(£75 each)

ADPTFAR85-10
85mm fixed adaptor ring 10mm BFD
(£75 each)

75

75

75

77

75

72

80

80

80

82

80

77

Recommended Adaptors for Above:

ADTFAR85-FLI-3"
85mm fixed adaptor ring to 3" thread
12mm BFD (£150 each)

The remaining numbers
can be focused using
the FLI Atlas Mount.

The selection shown
is recommended -
you may
change the item
quantity numbers
as required

ADPTFAR85-40
85mm fixed adaptor ring 40mm BFD
(£75 each)

ADPTFAR85-20
85mm fixed adaptor ring 20mm BFD
(£75 each)

ADPTFAR85-5
85mm fixed adaptor ring 5mm BFD
(£75 each)

Colour Filter Wheel Specifications

CFW-1-5

CFW-1-8

CFW-2-7

Back Focus with ProLine CCD (mm)

43.7

43.7

43.2

Back Focus with MicroLine CCD (mm)

38.5

38.5

37.9

ODK TELESCOPE WITH OC2

Remaining Back Focus with ProLine CCD (mm)

100

100

100

Remaining Back Focus with MicroLine CCD (mm)

105

105

106

Recommended Adaptors for Above:

ADTFAR85-FLI-2"
85mm fixed adaptor ring to 2" thread
12mm BFD (£150 each)

The remaining numbers
can be focused using
the OC2 focus mount.

The selection shown
is recommended -
you may
change the item
quantity numbers
as required

2x ADPTFAR85-40
85mm fixed adaptor ring 40mm BFD
(£75 each)

ADPTFAR85-10
85mm fixed adaptor ring 10mm BFD
(£75 each)

ODK TELESCOPE WITH FLI ATLAS

Remaining Back Focus with ProLine CCD (mm)

75

75

76

Remaining Back Focus with MicroLine CCD (mm)

81

81

81

Recommended Adaptors for Above:

ADTFAR85-FLI-2"
85mm fixed adaptor ring to 2" thread
12mm BFD (£150 each)

The remaining numbers
can be focused using
the FLI Atlas Mount.

The selection shown
is recommended -
you may
change the item
quantity numbers
as required

ADPTFAR85-40
85mm fixed adaptor ring 40mm BFD
(£75 each)

ADPTFAR85-20
85mm fixed adaptor ring 20mm BFD
(£75 each)

ADPTFAR85-5
85mm fixed adaptor ring 5mm BFD
(£75 each)