SharpStar 140PH 140mm f/6.5 Dual ED Triplet APO Rubber Eyecup Supporting Microphone and Audio Input：Supporting

Supporting Microphone and Audio Input：Supporting Microphone and Audio Input: FM transmitter has separate microphone jack and audio input jack that you can use at the same time

20mm eye relief suitable for eyeglass wearers

You can also set your preferred listening frequency

Helical focusers are a simple but highly effective way to achieve fine

SharpStar 140PH 140mm f/6.5 Dual ED Triplet APO Rubber Eyecup Supporting Microphone and Audio Input：SupportingSharpStar 140PH 140mm f 6. 5 Dual ED Triplet APO Apochromatic Refractor Telescope The serious amateur's astro photo instrument with a pioneering (in this size) dual ED optical system. A fast triplet APO with 910mm focal length, with incredible colour correction, excellent choice for both astro photography and nature photography! FOR FULL FRAME IMAGING! If the above is not enough, combine it with a dedicated 0. 73x 3" focal reducer and enjoy a super