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Videophone Mounted on the Wall with the Black Screen Turned Off, Visible Power Supply with a Cable. Stock Image - Image of bell, indoor: 239452553
![hi, can someone help me? my canon eos r can't seem to detect my lenses and keeps showing black screen only. changed my adapter because I thought it was the problem but hi, can someone help me? my canon eos r can't seem to detect my lenses and keeps showing black screen only. changed my adapter because I thought it was the problem but](https://i.redd.it/mv30lxpr6l851.jpg)
hi, can someone help me? my canon eos r can't seem to detect my lenses and keeps showing black screen only. changed my adapter because I thought it was the problem but
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