![S-M-C/Super Takumar 20mm F4.5 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database S-M-C/Super Takumar 20mm F4.5 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/lensreviews/data/19/SMC_Takumar_20mm_F45.jpg)
S-M-C/Super Takumar 20mm F4.5 Reviews - M42 Screwmount Extreme Wide-Angle Primes - Pentax Lens Reviews & Lens Database
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Amazon.com : PENTAX smc XW16.5 2-Inch Eyepiece for Astronomical telescopes. Extra-Wide 85°Apparent Angle of View, 20mm Eye Relief, Multi-Layer Coating, All-Weather, Made in Japan : Electronics
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