Accessory to attach a 35mm Canon camera body (except EOS models) to a Questar camera adapter only. This is for those Canon cameras that use a breechlock lens mount. These have a knurled rotary collar around the base of the lens that must be tightened separately to lock the lens in place.
This is not for EOS-type cameras whose lenses click into place with a quarter turn of the entire lens and which use a button on the camera body to release the lens when you want to change it.
This T-ring is needed for prime focus photography (full lunar discs & terrestrial photography), eyepiece projection photography (planetary & close up shots of the moon), and 35mm deep space photography.
Shipping is free on this Questar item if it is purchased with a Questar scope that is being drop-shipped to you from the Questar factory. If this item is being purchased by itself as a special order item, a $9.95 freight charge and a 14-day or longer delivery time will apply. The $9.95 freight and a $20 Questar drop-ship charge will apply if faster delivery is required and it must be drop-shipped to you from Questar.
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