![Amazon.com : Pentax K-30 Weather-Sealed 16 MP CMOS Digital SLR with 18-135mm Lens (Black) : Slr Digital Cameras : Electronics Amazon.com : Pentax K-30 Weather-Sealed 16 MP CMOS Digital SLR with 18-135mm Lens (Black) : Slr Digital Cameras : Electronics](https://m.media-amazon.com/images/I/51am3d77MHL._AC_SS300_.jpg)
Amazon.com : Pentax K-30 Weather-Sealed 16 MP CMOS Digital SLR with 18-135mm Lens (Black) : Slr Digital Cameras : Electronics
![I am attempting to de-yellow this radioactive 105mm Pentax 6x7 lens. Using a 9W LED full spectrum grow bulb. : r/AnalogCommunity I am attempting to de-yellow this radioactive 105mm Pentax 6x7 lens. Using a 9W LED full spectrum grow bulb. : r/AnalogCommunity](https://preview.redd.it/8zxntaboilt81.jpg?width=640&crop=smart&auto=webp&s=7d2b72102f05159fcd1753675b697f6806ca432b)
I am attempting to de-yellow this radioactive 105mm Pentax 6x7 lens. Using a 9W LED full spectrum grow bulb. : r/AnalogCommunity
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