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05-05-2014, 05:45 PM   #16
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Practical concerns

With the weight of 39 pounds and minimum focus distance of sixty-five feet, this lens has little or no practical value for the vast majority of serious users. I had the Pentax 1000mm f8 straight lens, and it was a learning experience at eleven pounds, thirty inches long, and minimum focus of one hundred feet. It now has a good home on display in California!!!

05-06-2014, 05:35 AM   #17
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QuoteOriginally posted by James Vernon Quote
With the weight of 39 pounds and minimum focus distance of sixty-five feet, this lens has little or no practical value for the vast majority of serious users. I had the Pentax 1000mm f8 straight lens, and it was a learning experience at eleven pounds, thirty inches long, and minimum focus of one hundred feet. It now has a good home on display in California!!!
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