Borg 7604 M57 Extension Tube M - 60mm
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Borg 7604 M57 Extension Tube L - 60mm in the like new condition.
Adapter for adjusting optical path length.
- The inner diameter is 53mm, so it can be used in combination with the M57 helicoid [7857] and the mini mini drop tube [7205] .
- It is very light at 50g, so it can be extended without losing balance.
- Optical path 60mm
- Outer diameter (max) 60mm
- [Objective side] M57P0.75 male screw
- [Eyepiece side] M57P0.75 female screw, M60P0.75 male screw
Optionally - box (+5$ extra shipping price).
International shipping is $12 or free for total over $150.
Accept Paypal
Adapter for adjusting optical path length.
- The inner diameter is 53mm, so it can be used in combination with the M57 helicoid [7857] and the mini mini drop tube [7205] .
- It is very light at 50g, so it can be extended without losing balance.
- Optical path 60mm
- Outer diameter (max) 60mm
- [Objective side] M57P0.75 male screw
- [Eyepiece side] M57P0.75 female screw, M60P0.75 male screw
Optionally - box (+5$ extra shipping price).
International shipping is $12 or free for total over $150.
Accept Paypal
Funding Member
