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This eyecup is compatible with HYDRA (Non-LRF) series and TNC335R, TNC635R with Model A ocular lens.
*Different Batches of TNC335R and TNC635R use different eye cups. Please refer to the following instructions to choose the eye cup that fits your scope:
If your ocular lens is Model A, please purchase in ths page.
If your ocular lens is Model B, please click HERE and purchase Threaded Eye Cup - 65mm.


Cup is really good. Only thing I would like to see is a push flap on the inside and an angled cover. So as you push into the cap the flaps open to show the screen. When you take your eyes away the flap closesnand shuts out the light from the screen.
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