The Borg line of products consists of a flexible, and uniquely modular series of high quality refractors with diameters ranging from 50mm to 150mm.
Borg 80 Dia. 50mm tube (black)
SKU: BORG7051
Price: $56.00
Please, email us for availability.
Borg Helical Focuser S -1.25" (rotating)
SKU: BORG4317
Price: $49.00
Borg Rack & Pinion Focuser
SKU: BORG9850
Price: $450.00
Borg M57 to M49.8 AD SS (Zero extra light path)
SKU: BORG7923
Price: $33.00
Borg M49.8 Extension Tube M (21.5mm long)
SKU: BORG7922
Price: $45.00
Borg M49.8 to M57 Adapter
SKU: BORG7920
Price: $35.00
Borg M56 to M57/60 Adapter for Tak FC76/78
SKU: BORG7911
Borg M57 Helical Focuser DX LIII
SKU: BORG7861
Price: $295.00
Borg M42P1 to M42P0.75 Adapter
SKU: BORG7856
Borg Helical Focuser M - M68.8
SKU: BORG7835
Price: $219.00
Borg M57 Helical Focuser DXII – Low-profile
SKU: BORG7761
Borg 52mm/48mm Additional Filter Holder
SKU: BORG7518
Borg M60 to M57 Adapter
SKU: BORG7510
Borg 2" Eyepiece Holder SS
SKU: BORG7506
Price: $36.00
Borg M57 to 2" Male Adapter
SKU: BORG7502
Price: $44.00
Borg M36.4P1 Cap
SKU: BORG7361
Price: $20.00
Borg M43P0.75(Takahashi) to M57 AD
SKU: BORG7360
Borg 31.7mm (1.25") to M36.4 Adapter
SKU: BORG7316
Borg DG 1.4X Teleconverter DX
SKU: BORG7215
Price: $395.00
Borg 80 Dia. 135mm Tube (black)
SKU: BORG7138
Price: $69.00
Borg 1.08x DG Multi Flattener
SKU: BORG7108
Borg Riser Block
SKU: BORG7020
Borg Black Velvet Resin Sheet – 2 sheets of 130mm x 240mm
SKU: BORG5020
Price: $9.00
Borg Micro Four Thirds Mount
SKU: BORG5011
