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Lens extension tube 40

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Lot 40mm mount - c-mount, tv

Lot 40mm mount - c-mount, tv

$40.00
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S3200 industrial camera - cv-s3200,

S3200 industrial camera - cv-s3200,

$271.35
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Cognex lnc xkit - cognex, lnc-xkit

Cognex lnc xkit - cognex, lnc-xkit

$56.22
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Mount lens extension - lens,

Mount lens extension - lens,

$30.00
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Mount lens extension - lens, tube

Mount lens extension - lens, tube

$29.98
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Cosmicar lens extension - tv,

Cosmicar lens extension - tv,

$16.50
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Japan camera lens extension - camera,

Japan camera lens extension - camera,

$23.00
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Mount 30 50 100mm - 20,

Mount 30 50 100mm - 20,

$9.07
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Spacer ring adapter cs - spacer, c-cs

Spacer ring adapter cs - spacer, c-cs

$11.89
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Sony vm100 mount lens - c,

Sony vm100 mount lens - c,

$36.79
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Mount lens extension - tv,

Mount lens extension - tv,

$7.99
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Mount lens extension tube - c,

Mount lens extension tube - c,

$29.99
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Mount lens extension - tv,

Mount lens extension - tv,

$30.00
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26mm 40mm adjustable focus - 26mm-40mm,

26mm 40mm adjustable focus - 26mm-40mm,

$37.99
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1pc used cosmicar pentax - cosmicar, tv

1pc used cosmicar pentax - cosmicar, tv

$58.00
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Preowned surplus mount - *preowned, c-mount

Preowned surplus mount - *preowned, c-mount

$165.00
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Epson vm100 mount - vm100, c

Epson vm100 mount - vm100, c

$21.99
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Lens extension tube 40mm - extension,

Lens extension tube 40mm - extension,

$12.74
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Sony extension tube c mount - c,

Sony extension tube c mount - c,

$18.95
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Mount lens extension tube - mount,

Mount lens extension tube - mount,

$95.00
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New old stock - new, c

New old stock - new, c

$24.75
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40mm mount lens extension - c,

40mm mount lens extension - c,

$39.99
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Vm100 mount lens - vm100,

Vm100 mount lens - vm100,

$35.00
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Telescope m42x0 extension - m42x0.75,

Telescope m42x0 extension - m42x0.75,

$11.33
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Cosmicar pentax mount - c-mount, tv

Cosmicar pentax mount - c-mount, tv

$39.99
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Nikon macro extension - extension, tube

Nikon macro extension - extension, tube

$42.95
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New ext lens extension - ext-c6,

New ext lens extension - ext-c6,

$69.99
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Part vm100 mount lens - part,

Part vm100 mount lens - part,

$43.77
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2pcs 40mm m42 lens adapter - m42,

2pcs 40mm m42 lens adapter - m42,

$18.65
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1pc used cosmicar - used,

1pc used cosmicar - used,

$46.50
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40mm adjustable focus - 25-40mm,

40mm adjustable focus - 25-40mm,

$34.99
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Spacer ring adapter - spacer,

Spacer ring adapter - spacer,

$35.23
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Mount 5mm extension tube - c-mount,

Mount 5mm extension tube - c-mount,

$3.56
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Cosmicar extension tube set - cosmicar,

Cosmicar extension tube set - cosmicar,

$25.00
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Brass m62 40mm - m62-m62, 20-40mm

Brass m62 40mm - m62-m62, 20-40mm

$33.99
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Sony vm100 mount lens - vm100, c

Sony vm100 mount lens - vm100, c

$45.43
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One 40mm 20mm - 40mm, tv

One 40mm 20mm - 40mm, tv

$49.99
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Mount lens extension - tv, tube

Mount lens extension - tv, tube

$24.99
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1pc used cosmicar lens - used,

1pc used cosmicar lens - used,

$67.57
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1pc used cosmicar lens - 1pc,

1pc used cosmicar lens - 1pc,

$69.56
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20mm mount lens - 20mm, c

20mm mount lens - 20mm, c

$49.99
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Edmund optics vm100 - vm100, c/cs

Edmund optics vm100 - vm100, c/cs

$39.95
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Vm100 mount lens - c,

Vm100 mount lens - c,

$19.99
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Computar vm100 mount - computar, camera

Computar vm100 mount - computar, camera

$50.00
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Mount 30 50 - 20, 100mm

Mount 30 50 - 20, 100mm

$8.67
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Brass m62 40mm - brass, m62-m62

Brass m62 40mm - brass, m62-m62

$33.99
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Mount 30 50 - 50, 100mm

Mount 30 50 - 50, 100mm

$8.67
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Mount lens extension tube - c,

Mount lens extension tube - c,

$29.98
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Cosmicar lens 40mm - cosmicar,

Cosmicar lens 40mm - cosmicar,

$22.00
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Two 40mm mount - 40mm,

Two 40mm mount - 40mm,

$49.99
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10mm 20mm 40mm - 10mm,, mount

10mm 20mm 40mm - 10mm,, mount

$49.99
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One 40mm two - &, c

One 40mm two - &, c

$49.99
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Telescope m42x0 extension - m42x0.75,

Telescope m42x0 extension - m42x0.75,

$11.33
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Mount lens extension - mount,

Mount lens extension - mount,

$33.00
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Cosmicar tv lens - ex-40,

Cosmicar tv lens - ex-40,

$145.00
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Mint box kenko pro - box*,

Mint box kenko pro - box*,

$26.10
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Telescope m42x0 extension - telescope,

Telescope m42x0 extension - telescope,

$11.33
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Cosmicar pentax lens - cosmicar/pentax,

Cosmicar pentax lens - cosmicar/pentax,

$199.99
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Mount lens extension tube - lens,

Mount lens extension tube - lens,

$68.99
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40mm m42 lens adapter ring - m42,

40mm m42 lens adapter ring - m42,

$13.17
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Cosmicar pentax c90100 - cosmicar/pentax, c-mount

Cosmicar pentax c90100 - cosmicar/pentax, c-mount

$24.95
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Sony ccd camera module - ccd,

Sony ccd camera module - ccd,

$199.99
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M42x0 focal length - m42x0.75,

M42x0 focal length - m42x0.75,

$12.67
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Mount lens extension - mount, tv

Mount lens extension - mount, tv

$175.95
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40mm adjustable focus - 26-40mm,

40mm adjustable focus - 26-40mm,

$33.99
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40mm adjustable focus - 26-40mm,

40mm adjustable focus - 26-40mm,

$32.99
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40mm adjustable focus - adjustable,

40mm adjustable focus - adjustable,

$32.99
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Lot cosmicar extension - lot,

Lot cosmicar extension - lot,

$65.00
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Brass m62 40mm - brass, m62-m62

Brass m62 40mm - brass, m62-m62

$33.99
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Tube lens extension - tube,

Tube lens extension - tube,

$39.99
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Mount cosmicar lens - c,

Mount cosmicar lens - c,

$99.00
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Sony ccd video camera - xc-73,

Sony ccd video camera - xc-73,

$199.99
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Brass m62 - brass, 20-40mm

Brass m62 - brass, 20-40mm

$33.99
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Cognex 40mm lens - lens, extension

Cognex 40mm lens - lens, extension

$26.10
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Telescope m42x0 extension - m42x0.75,

Telescope m42x0 extension - m42x0.75,

$9.35
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Cosmicar pentax lens 40mm - tv,

Cosmicar pentax lens 40mm - tv,

$7.99
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Auto macro extension tube - macro,

Auto macro extension tube - macro,

$75.04
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Telescope m42x0 extension - telescope, m42x0.75

Telescope m42x0 extension - telescope, m42x0.75

$10.49
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Rodenstock modular focus - rodenstock, modular-focus

Rodenstock modular focus - rodenstock, modular-focus

$220.00
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40mm mount extension tube - c-cs,

40mm mount extension tube - c-cs,

$14.16
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40mm adjustable focus - adjustable,

40mm adjustable focus - adjustable,

$32.99
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Vm100 extension tube kit - vm100, c

Vm100 extension tube kit - vm100, c

$35.00
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Spacer ring adapter cs - spacer,

Spacer ring adapter cs - spacer,

$21.99
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Mount 30 50 - 10,

Mount 30 50 - 10,

$8.24
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Mount 5mm extension tube - c-mount,

Mount 5mm extension tube - c-mount,

$2.99
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Brass m62 - m62-m62, 20-40mm

Brass m62 - m62-m62, 20-40mm

$33.99
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Cosmicar cctv mount - cosmicar, c-mount

Cosmicar cctv mount - cosmicar, c-mount

$34.00
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Pentax cosmicar lens - pentax, tv

Pentax cosmicar lens - pentax, tv

$100.00
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Cosmicar pentax c90100 - cosmicar/pentax,

Cosmicar pentax c90100 - cosmicar/pentax,

$91.00
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Mount 30 50 100mm - 10,

Mount 30 50 100mm - 10,

$8.67
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New cognex lnc - new, lnc-xkit

New cognex lnc - new, lnc-xkit

$35.00
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Cosmicar pentax lens - tv,

Cosmicar pentax lens - tv,

$21.00
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M42 extension tube m42x0 - m42, t2

M42 extension tube m42x0 - m42, t2

$18.82
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Keyence lma1 cosmicar - keyence,

Keyence lma1 cosmicar - keyence,

$299.99
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25mm 40mm adjustable focus - 25mm-40mm,

25mm 40mm adjustable focus - 25mm-40mm,

$37.99
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1pc used cosmicar lens - cosmicar,

1pc used cosmicar lens - cosmicar,

$67.36
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📊96 listings · from $2.99 · avg $50.89

Browse 96 lens extension tube 40 listings currently in our index. Prices range from $2.99 to $299.99, with an average of $50.89. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about lens extension tube 40 →

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Everything you need to know about lens extension tube 40

Whether you are looking for a brand-new or second-hand lens extension tube 40, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $2.99, while premium listings can reach $299.99 — giving you a wide budget spread to work with. The average price of $50.89 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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