Astromania 1.25" Astrophotography Flip Mirror Precise Focusing & Centering for Astrophotographers

For Precise Focusing: Flip mirror makes easy to find exact focus point and also correct position for astrophotography; this small black box has a moveable flip mirror which shunts light path 90 degree upwards; alternatively lets it pass through unhindered Always Sharp: If tilt mirror to 45 degree position; object will appear in eyepiece and precisely focus it as usual; helical focuser on flip mirror lets to make eyepiece and camera exactly parfocal; this means elements will be in focus at the same time An object that is accurately centred in the eyepiece will be simultaneously centred in the camera's field of view; you no longer have to worry about whether the object is correctly positioned on the chip - you know it will be No finder is provided with webcams or astronomical CCD cameras for position object on chip; only by taking test exposures may achieve both sharp focus and correct object position; flip mirror help to be centred and focused remotely on chip via eyepiece Connectability: Astromania flip mirror has a 1.25 inch connector which will fit onto any standard telescope; helical focuser will accept any standard 1.25 inch eyepiece; there is a T-2 thread provided on the camera side; standard fitting for all cameras