18-250mm F3.5-6.3 DC Macro OS HSM
Pentax K
Sigma 18-250mm F3.5-6.3 DC Macro OS HSM

About

This is a full frame Pentax K mount lens introduced by Sigma 12 years ago. Its focal range is 18250mm with an aperture of ƒ/3.56.3. You can find a review of it on DPReview.

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KEH is American and has slightly higher grading standards, while MPB is originally from the UK. Both are global leaders in used lens trading.

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18-200mm F3.5-6.3 DC
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