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Astromania 1.25" / 2" Twist-lock adapter - firmly and gently holds and centres your eyepieces


You know the situation - you've clamped your precious eyepiece using the
locking screw on the focuser. But instead of sitting precisely in place, it is
tilted or even worse - the screw marks and damages the barrel. But this
doesn't need to happen, there is a solution: the Twist-Lock adapter. Put your
1.25" eyepieces or other accessories one: Turn the lock-ring and your eyepiece
now sits firmly anchored in place. Your eyepiece no longer needs its safety
groove as the adapter now clamps it over a large area of around 15mm. You can
also use the 2 "to 1.25" adapter as a permanent 2" barrel for example. Suppose
you are observing with some 2" eyepieces but also have a favourite 1.25"
eyepiece you want to use. Instead of constantly having to fiddle around with
adapters, you could simply use this adapter together with the eyepiece and use
it with a fixed 2" barrel.Save money when buying filters - A 2" filter thread
offers the option of using a 2" screwed filter, even when using a 1.25"


  • Allows you to use 1.25" eyepieces in any 2" telescopes focuser, star diagonal, or holder.One twist, and your accessories sit firmly in place, gentle clamping over a large area.
  • Use Twist Lock adapter as a high-end reduction ring. It is gentle with the accessories and yet clamps them in place with incredible force.
  • This is a very high quality anodized aluminum adapter, self-centring 2" to 1.25" adapter with 2" thread.
  • Ideal for using high-power, low focal length 1.25" eyepieces in a big 2" telescope focuser.
  • An affordable way to increase the number of eyepieces to use with your 2" focuser-equipped telescope.

Product Details

  • Package Dimensions: 2.7 x 2.4 x 1.8 inches
  • Item Weight: 3.52 ounces
  • Shipping Weight: 8 ounces
  • Item model number: SKU_AM_ZA2T1TE2

Shipping & Handling

Most orders are shipped within one business day with standard shipping and tracking number. Tracking information will be automatically uploaded as soon as the item has been shipped.

Please make sure to provide the correct shipping address during checkout as the address cannot be changed after checkout. We are not responsible for any incorrect or undeliverable addresses.

We do not ship to AK, HI, PO boxes, or APO addresses.

Return Policy

All returns accepted within 14 days after receiving the item, refund given as money back (no exchanges permitted), return shipping to be paid by buyer. 15% restock fee will be charged for all returns. Buyer is responsible for return shipping on any item that is not damaged.

Filed under: Eyepieces & Accessories