Asahi Pentax 20mm f/4
The Asahi Pentax 20mm f/4 is a lens. CameraWorth tracks 5 sold prices for this model, with prices ranging from £100 to £224 (median £141).
Variants
Select a variant to filter the sales history below.
| Variant | Years | Edition | Sales | Price Range |
|---|---|---|---|---|
| SMC | — | — | 2 | £141 – £224 |
| SMC Pentax-M | — | — | 3 | £100 – £149 |
Sales History
Prices shown are realised prices — auction results and completed eBay sales, never asking prices. Most saleroom figures are hammer prices, before commission; some houses publish a premium-inclusive figure, and we do not adjust for condition. Dealer and retail asking prices are typically higher. How this figure is calculated.
Prices updated: August 2026
| Date | Price | Value GBP | Source | Variant | |
|---|---|---|---|---|---|
| Aug 2026 | USD 199 | £149 | 🇺🇸 eBay | SMC Pentax-M | |
Title: SMC Pentax-M 20mm f4 Wide Angle Lens for K Mount From JAPAN *Excellent* #5265
Description:
Lens : Excellent. There is a lot of mold on the lens. ●Optics (Lens). Front lens cap. Rear lens cap. ( Focus ring ) - The focusing ring rotates very smoothly and has a perfect amount of torque. Unused > (Top) Mint (Near) > Excellent (5～1 ) > (Very) Good > As Is > For Parts. Location: gifu, Japan |
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| Aug 2026 | USD 189 | £141 | 🇺🇸 eBay | SMC | |
Title: SMC Pentax 20mm F4 ASAHI OPT.CO Pentax K Mount MF Lens 1174
Description:
●Optics Condition for lens. ・Lens Filter. ・Rear lens cap. 70% Very Good+ Good condition with normal signs of use. 90% Mint Almost no signs of use. 60% AS-IS Heavily marked, but works. ( Scratch ) - No. Location: Fukuoka ken, Japan |
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| Jul 2026 | £127 | £127 | 🇬🇧 eBay | SMC Pentax-M | |
Title: Pentax-M 20mm F/4 Manual Focus Camera Lens Working
Description:
W/ Original Front Lens Cap. This lens is WORKING and in a used condition. {{tab5title}}. {{tab4title}}. {{tab3title}}. {{tab2title}}. {{tab1title}}. Location: Leeds, United Kingdom |
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| Jul 2026 | USD 299 | £224 | 🇺🇸 eBay | SMC | |
Title: [NEAR MINT] SMC Pentax 20mm F/4 MF Wide Angle MF Lens For K mount From Japan
Description:
Tiny scuffs from normal use. ・For the United States. ・For All Other Countries. It works properly. There is separation -no. There is scratches -no. Location: Chigasaki Shi, Japan |
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| Mar 2022 | £125 | £100 | 🇬🇧 Flints Auctions | SMC Pentax-M | |
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Auction: The Collectors sale (Lot 669) Title: A Pentax-M f/4 20mm Lens
Description:
black, body, VG, elements, VG, complete with caps and tatty case |
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