Eyepiece holders

Eyepiece holders allow you to connect instruments with 31.8mm or 50.8mm diameter barrel to other accessories. Usually the accessories inserted are fixed with one or more screws. Our OnAxisLock is the locking system for accessories that, compared to the classic screws locking system, offers the following advantages:

- more clamping force avoiding any possible flexure (then it's perfect for astrophotography)
- it does not damage the connected accessory
- it perfectly center the optical axis of the telescope

All this thanks to a new locking device with double ring: just rotate manually the appropriate outer ring (designed to allow an easy grip, even with gloves) in order to obtain a perfect closure!

3% more discount if you pay with bank transfer - insert product in cart to get discount

"Borg 2"" M57 eyepiece...
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Not available
Eyepiece holders

"Borg 2"" M57 eyepiece holder SII 7504"

BORG7504
€40.16
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Borg 2" M57 eyepiece holder SII 7504 connects to 57mm thread present on many Borg accessories and it provides connection for 50.8mm diameter accessories. On the telescope side it is equipped with a M57 thread, on the other side it offers connection for 50.8mm diameter accessories that are fixed by 2 metal screws.
"OnAxisLock 50,8mm visual...
  • New
Not available
€64.75

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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OnAxisLock 50,8mm visual back for SC telescopes with 3,3" thread is screwed directly onto the rear thread present in Celestron C11, C14 or EdgeHD 925, 1100, 1400 telescopes and lets you use all the 50.8mm diameter accessories. OnAxisLock is the accessories locking system that, compared to the one using normal screw, offers a greater clamping force,...
OnAxisLock 50,8mm eyepiece...
  • New
Not available
€56.56

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

Be the first to review this product
OnAxisLock 50,8mm eyepiece holder for Takahashi (M72x1 thread) replaces the traditional eyepiece holder and lets you use all the 50.8mm diameter accessories. OnAxisLock is the accessories locking system that, compared to the one using normal screw, offers a greater clamping force, avoiding any possible flexure (so it's perfect for astrophotography), it...
OnAxisLock 31,8mm eyepiece...
  • New
Not available
Eyepiece holders

OnAxisLock 31,8mm eyepiece holder

OAL318
€48.36

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

Be the first to review this product
OnAxisLock 31,8mm eyepiece holder fits into 50,8mm connection like the ones of the most common focusers. OnAxisLock is the accessories locking system that, compared to those using normal screw, offers a greater clamping force, avoiding any possible flexure (so it's perfect for astrophotography), it does not damage the connected accessory and it perfectly...
OnAxisLock 50,8mm visual...
  • New
Not available
€56.56

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

2 Reviews
OnAxisLock 50,8mm visual back for SC telescopes is screwed directly onto the rear thread present in most of Schmidt-Cassegrain telescopes (like the SC and EdgeHD by Celestron or Meade ones) and lets you use all the 50.8mm diameter accessories. OnAxisLock is the accessories locking system that, compared to the one using normal screw, offers a greater...

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