FOR_SALE.HTM Number of hits on this page:

For Sale


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Lenses for sale:


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Cameras for sale


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Other optical equipment for sale:

Gyroscopic monoculair and more expensive night scopes on request

(see Night Vision Equipment & IR for an explanation about how you can use these night scopes for estimating the result on IR-film!)

(All stuff in new/excellent condition, prices in Dutch Guilders
(see also Currency Conversions ))


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Infrared Polarisation filter (polyester sheet 0.015" thick)

(normal polarisation filters don't have much effect above 700nm!; the IR polarizer has its maximum effect in the spectrum 600 to 900nm, and can therefore still be positioned/controlled by normal eye vision)

(other sizes on request)

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Filters for Horizon series

(Optical resin CR39; universal fit for all versions Horizon(t), both old (chrome) and new (black plastic))

(other colors on request)

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Filters Cokin P-size:

(Optical resin CR39 or glass, size 83x83x2mm, custom made, not those binding 85x85mm's!)

(other sizes on request)

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Modified Cokin filterholder

To prevent vignetting with large wide angle lenses, fits the lens hood bayonet shape directly, allows only the use of square filters (no circular like star and polarizer).

(for other lenses like Minolta 20mm/f2.8 on request)

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Polyester sheet filters Infrared Wratten 87:

(not the moisture sensitive gelatin Kodak uses!)

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Infrared filters for Maglites

You can use this filter to make your the light from your Maglite INVISIBLE ; for use with night scopes (flabberghasting bright light!), infrared film or as an assist light for modern AF cameras (multiplying the effect of the onboard assist light that can be found on some cameras and most flashes!)

Other sizes for other torches on request!

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Electronical LCD Timer

(connectors for other electronical cameras on request)

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Currency Conversion

A conversion table, to make conversion from the Dutch prices a bit easier:

f1.00 equals:


(Keep in mind that these numbers can and do change!)

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If you have any question, remark, comment, want to share some philosophy or just want to express your opinion about these pages, feel free to send email to: w.j.markerink @ a1.nl

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