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Borg Intro


On the camera side, for eyepiece (positive) projection photography with cameras with removable lenses, Borg camera adapters are available for virtually any type of 35mm camera, or a generic T-thread coupler is available (standard with Borg Series 80 OTA's).

For exceptionally long 1-1/4" eyepieces, the eyepiece projection adapter may be extended by using one or more of the Borg adapters:

  • 7506 - 10 mm extension
  • 7508 - 20 mm extension
  • 7505 - 40 mm extension
  • 7509 - 60 mm extension

    Camera Coupling

For exceptionally long 2" eyepieces, extension adapter 7398 must be used (applicable only to the 2" eyepiece projection adapter 7395).
For cameras with fixed lenses, such as consumer digital cameras or camcorders, a variety of adapters are available which couple via the camera's filter threads as shown in the table below.

Notes:

  • Some cameras may require a filter adapter ring provided by the camera manufacturer. Check the filter thread location relative to the lens as well as the filter thread size to assure adequate clearance between the eyepiece and camera lens, especially if the camera lens moves when focusing.
  • If your camera's filter thread is not accomodated by one of the listed adapters, standard filter step rings can be used to adapt to the correct thread size.
  • Exceptionally long eyepieces may require an extension tube as noted above.
Adapter
  Camera
  Camcorder
28 mm
[7401]
Nikon Coolpix
700, 800, 950, 990

30 mm
[7402]
Sony Cyber Shot
DSC-F55V
Sony
PC3, PC5, TRV10
Sharp
FD1, PD3, DC5, DC50, D5LTD, G1K
37 mm
[7403]
Sony Cyber Shot
DSC-P50, DSC-P30 DSC-S50, DSC-S30
Sony Mavica
MVC-FD88, FD83 FD73, FD90, FD85
Sony
TRV20, TRV820K, YTV620K, TRV220K TRV80PK, PC100
JVC
DVL7, DVL700, DVA10
Sharp
PD7, MR1, PD1, HL80
43 mm
[7404]
Olympus Camedia
C-2500L, C-2000, C-3030 C-1400L, C-1400XL C-1000L, C-3040
Casio
QV8000SX
Panasonic
DJ100, NV-MX3000
52 mm
[7405]
Sony Cyber shot
DSC-S75, DSC-S70 DSC-F505, DSC-F505V,
Sony Mavica
FD91, FD95
Toshiba Allegretto
M70
Sony
PD100, VX9000, VX1000, TRV900
55 mm
[7406]
Fuji FinePix
4900Z/6900Z
58 mm
[7407]
Casio
QV-3500EX
Canon
G1

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