Coronado 34 mm collimation lenses [EUROPE]
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These are the pair of collimating lenses used in many Coronado Ha scopes, in this case, all the pre-Meade Coronado 70mm Ha scopes. These ones came with my Coronado ASM-40.
One is negative (divergent) and goes before the filter. The other is positive (convergent) and goes after the filter. They have 38mm diameter (34mm clear aperture) and focal length of 193 mm.
The negative lens comes mounted in a 2" nose piece, with T-thread on both ends (female on input and male on output).
The positive lens has only a matching threaded ring, to lock it, but no holding cell
Selling for 38 Euros.Shipping to all Europe for 9 Euros and rest of the world for 15 Euros.
One is negative (divergent) and goes before the filter. The other is positive (convergent) and goes after the filter. They have 38mm diameter (34mm clear aperture) and focal length of 193 mm.
The negative lens comes mounted in a 2" nose piece, with T-thread on both ends (female on input and male on output).
The positive lens has only a matching threaded ring, to lock it, but no holding cell
Selling for 38 Euros.Shipping to all Europe for 9 Euros and rest of the world for 15 Euros.
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