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Tamron Adaptall-2 SP / Novoflex (23A) 60-300mm F3.8-5.4 Lens Reviews - Tamron Adaptall Lenses - Pentax Lens Review Database
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Tamron 60-300 zoom used as small variable focal length refractor - ATM, Optics and DIY Forum - Cloudy Nights
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Tamron Adaptall-2 SP / Novoflex (23A) 60-300mm F3.8-5.4 Lens Reviews - Tamron Adaptall Lenses - Pentax Lens Review Database
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