Cornu Ontoscope Reflex
The Cornu Ontoscope Reflex is a French-made reflex camera from the Cornu workshop in Paris. As a niche product from a small French manufacturer, it sits well outside the mainstream of mass-produced reflex cameras and tends to surface only occasionally on the collector market.
With only a single tracked UK auction-hammer result available, pricing reference for the Ontoscope Reflex is thin: one example sold for £800 in 2019, and that figure is the only datapoint shaping any sense of what one is worth today in 2026. Because the sample size is so small, the price a given example sells for at saleroom level can swing significantly with condition, completeness and bidder interest on the day.
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: June 2019
| Date | Price | Source | |
|---|---|---|---|
| Jun 2019 | EUR 800 | 🇦🇹 Leitz Auction | |
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Auction: Leitz Auction 34 (Lot AI_34_37098) Title: Cornu Paris Ontoscope
Description:
all-metal French stereo camera, late advanced version with shifting front for stereo and panoramic exposures on 6x13cm plates, with dual Tessar 4.5/8.5cm no.665208 and 665207, Cornu magazine back and (worn) leather case Estimate: EUR 600 - EUR 700 |
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Frequently asked questions
What is a Cornu Ontoscope Reflex worth?
On the limited evidence available, one example reached £800 at UK auction in 2019; with only a single hammer result on file, this should be treated as an indicative value rather than a firm market price.
How much does a Cornu Ontoscope Reflex sell for at auction?
The only tracked UK hammer price is £800, so any current value estimate carries significant uncertainty and the next sale could land above or below that figure depending on condition and competition.
Is the Cornu Ontoscope Reflex a rare camera?
It appears infrequently in the auction record — only one tracked sale underpins the price data here — which is consistent with a low-production camera from a small French maker.