Watson Monocular Camera
The Watson Monocular Camera is a specialist piece, combining a monocular optic with a camera mechanism in a single body. It is a niche collector's item rather than a mainstream photographic tool, and surfaces only occasionally in the UK auction market.
With only a single recorded UK auction hammer result, the price of a Watson Monocular Camera is hard to pin down precisely; the one tracked example sold for £1,200 at saleroom level (wholesale, not a dealer's retail price). As of today in 2026, value is highly condition-sensitive and depends heavily on completeness, optical clarity, and provenance, so any figure quoted here should be treated as indicative rather than a reliable median.
Sales History
Prices shown are UK auction hammer results — the wholesale level achieved in the saleroom. Neither buyer’s nor seller’s commission is included. Dealer and retail asking prices are typically higher.
Prices updated: November 2013
| Date | Price | Source | |
|---|---|---|---|
| Nov 2013 | EUR 1,200 | Leitz Auction | |
|
Auction: Leitz Auction 24 (Lot AI_24_29432) Title: W. Watson & Sons Monocular Camera
Description:
4.5x6cm, very rare Leon Bloch Le Physiographe camera for the British market with Roussel Stylor 4.5/54mm no.35754, metal body for single plate exposures, with maker's metal dark slide, filmpack holder and case Estimate: EUR 2,000 - EUR 2,500 |
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Frequently asked questions
What is a Watson Monocular Camera worth today?
Based on the limited UK auction data available, one example has sold for £1,200 at hammer, but with only a single recorded sale this should be treated as a reference point rather than a firm market value.
How much does a Watson Monocular Camera sell for at auction?
The only tracked UK auction result is £1,200, and the actual price a given example fetches will depend on condition, completeness, and bidder interest on the day.
Is the Watson Monocular Camera a common collector's item?
No — it appears very rarely in the auction market, which makes its price difficult to predict and means comparable sales are scarce.