Asahi Pentax 17mm f/4
The Asahi Pentax 17mm f/4 SMC Takumar is an ultra-wide fisheye prime for the M42 screw mount, dating from the Super-Multi-Coated Takumar era of the early 1970s. It was designed to deliver an extreme angle of view on 35mm SLR bodies and is commonly paired with Spotmatic-generation Pentax cameras, though it adapts readily to modern mirrorless systems.
UK auction activity for this lens is thin: the three hammer results on file, all from 25 November 2025, each sold for £90, giving an identical low, high and median of £90 at saleroom level. Because these figures are wholesale auction hammers (excluding commissions), retail dealer asking prices in 2026 typically sit meaningfully above this band, and clean, haze-free copies with original caps and case tend to command the upper end of what the fisheye Takumar is worth today. Collector demand is driven by the SMC coating and the lens's reputation as a characterful specialist optic rather than an everyday wide.
Variants
Select a variant to filter the sales history below.
| Variant | Years | Edition | Sales | Price Range |
|---|---|---|---|---|
| SMC Fisheye | — | — | 3 | £262 – £295 |
| SMC Takumar | — | — | 3 | £90 – £90 |
| SMC Takumar Fisheye | — | — | 4 | £130 – £225 |
| Super-Takumar Fisheye | — | — | 0 | — |
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 360 | £269 | 🇺🇸 eBay | SMC Fisheye | |
Title: Pentax SMC Pentax Fish-Eye 17mm f4 MF K Mount Diagonal Fisheye Lens Japan
Description:
With a maximum aperture of f/4, this lens allows for a shallow depth of field and creative visual effects. The fisheye design provides a distinctive perspective, making it ideal for capturing artistic and creative shots. Location: Spokane, WA, United States |
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| Jul 2026 | USD 395 | £295 | 🇺🇸 eBay | SMC Fisheye | |
Title: [Mint] Pentax SMC Fish-Eye 17mm f/4 MF K Mount Diagonal Fisheye Lens From Japan
Description:
It adapts beautifully to contemporary hybrid mirrorless systems (Sony E, Fujifilm X, Nikon Z, Canon RF) via standard K-mount adapters. The internal transparency is magnificent. The manual focus ring rotates beautifully, evenly, and precisely across the entire range with ideal weighted resistance. Location: HYOUGO, Japan |
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| Jul 2026 | USD 350 | £262 | 🇺🇸 eBay | SMC Fisheye | |
Title: Rare [MINT] Asahi SMC Pentax 17mm f4 MF Camera Lens Fisheye K Mount From JAPAN
Description:
Front lens cap, Rear lens cap. By weight and shape of each product, I use 13 kind of cushioning materials and pursue safety and weight reduction. Functional;. No problem in the shooting. There are no large dusts. Location: Narashino Shi, CHIBA, Japan |
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| Jul 2026 | £222 | £222 | 🇬🇧 eBay | SMC Takumar Fisheye | |
Title: "TOP MINT+++" Pentax SMC Fish Eye Takumar 17mm f/4 M42 Mount From JAPAN
Description:
■ Total . Location: Nagareyama shi, null, Japan |
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| Jul 2026 | USD 300 | £224 | 🇺🇸 eBay | SMC Takumar Fisheye | |
Title: "TOP MINT+++" Pentax SMC Fish Eye Takumar 17mm f/4 M42 Mount From JAPAN
Description:
■ Total . Location: Nagareyama shi, null, Japan |
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| Jun 2026 | USD 300 | £225 | 🇺🇸 eBay | SMC Takumar Fisheye | |
Title: [MINT] Pentax SMC Fish Eye Takumar 17mm f/4 K Mount From JAPAN
Description:
Important Notice There is no scratches. There is no fog. Beautiful condition. Weekends are not available because office is closed. Appearance;. Above condition is based on my own opinion. Front lens cap, Rear lens cap. Location: Chiba-shi, CHIBA, Japan |
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| Nov 2025 | £90 | £90 | 🇬🇧 Special Auction Services | SMC Takumar | |
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Auction: Fine Photographica & Cameras Auction (Lot 299) Title: An Asahi Fish-Eye Takumar 17mm f/4 Lens
Description:
An Asahi Fish-Eye Takumar 17mm f/4 Lens, M42 mount, serial no 3772683, with Y48, O56, L39 internal filters, barrel G-VG, elements VG, rear cap, in |
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| Nov 2025 | £90 | £90 | 🇬🇧 Special Auction Services | SMC Takumar | |
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Auction: Fine Photographica & Cameras Auction (Lot 298) Title: An Asahi Fish-Eye Takumar 17mm f/4 Lens
Description:
An Asahi Fish-Eye Takumar 17mm f/4 Lens, M42 mount, serial no 2931003, with Y48, O56, L39 internal filters, barrel G-VG, elements VG, with front and |
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| Nov 2025 | £90 | £90 | 🇬🇧 Special Auction Services | SMC Takumar | |
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Auction: Fine Photographica & Cameras Auction (Lot 297) Title: An Asahi Super Multi Coated Fish-Eye Takumar 17mm f/4 Lens
Description:
An Asahi Super Multi Coated Fish-Eye Takumar 17mm f/4 Lens, M42 mount, serial no 5398883, with Y48, O56, L39 internal filters, barrel VG, elements VG, |
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| Jun 2024 | £162 | £130 | 🇬🇧 Flints Auctions | SMC Takumar Fisheye | |
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Auction: Cameras & Scientific Auction (Lot 635) Title: A Pentax SMC Fish-Eye f/4 17mm Camera Lens
Description:
black, serial number 7317660, barrel VG, optics VG, with caps. |
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Frequently asked questions
What is a Pentax 17mm f/4 SMC Takumar worth at UK auction?
Based on the limited sales on file, the lens has a hammer value of around £90, with all three recorded UK auction results landing at exactly that price.
How much does a 17mm f/4 SMC Takumar sell for today?
At current saleroom level the lens sells for about £90 as a hammer price, so expect retail dealer prices in 2026 to sit above that once commissions, warranty and margin are added.
Is the price the same for every copy?
The three logged sales all cleared at the same £90 figure, but condition factors such as fungus, haze, oil on the blades and coating scratches can push individual copies above or below this typical value.
What mount does this fisheye Takumar use?
It is an M42 screw-mount lens from the SMC Takumar generation, so it fits Pentax Spotmatic-era bodies directly and modern mirrorless cameras via an inexpensive M42 adapter.