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Details about  B+W 67mm MRC UV-IR-Cut Infrared Lens Filter 486-31974

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B+W 67mm MRC UV-IR-Cut Infrared Lens Filter 486-31974
Item Ended
21 May, 2015 00:30:38 BST
£9.95 Royal Mail International Signed | See details
See details about international postage here.  help icon for delivery - opens a layer
Item location:
Finchampstead, Berkshire, United Kingdom


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  17 Jul, 2014 09:56:04 BST  View all revisions
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Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
Brand: B+W
Type: UV
Technical Data - B+W 67mm MRC UV-IRC Lens Filter. Model 486 - 31974, (Ultra Violet / Infrared Cut Off with Multi-Resistant Coating) Logo

Established Since 1992

Supplier of Quality new and refurbished
Brand Name PC related products.

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B+W 67mm MRC UV-IR-Cut Lens Filter. Model 486 - 31974,
(Ultra Violet / Infrared Cut Off with Multi-Resistant Coating)


The B+W filter manufacturing company was founded in Berlin in 1947 by business partners Biermann and Weber. In 1985 the merger with the Jos. Schneider Optical Works in Bad Kreuznach expanded the B+W line of products with optical filters for science and technology. It also generated significant progress in multi-layer coating systems (MC). As a result, B+W became the first manufacturer of filters in the world to offer the innovative water- and dirt repelling MRC multi-layer coating process, which, in addition to its reflection-preventing qualities is also regarded as being especially scratch-resistant.

The special B+W 486 filter blocks undesirable ultraviolet and infrared rays that may interfere with the image. The filter can therefore be used for video films, digital photography and special technical applications.

It leads to sharpener and clearer images, since without the filter so-called ghost images caused by IR radiation and the relatively high sensitivity of the camera sensors in this bandwidth have a negative influence on image sharpness. Further positive characteristics are greater detail, three-dimensional quality and finer colour gradation. The colours appear more natural.

How does a complex filter such as the 486-type UV-IR barrier filter work? The filter is based on absolutely colour-neutral substrate glass. Like all B+W photo filters, the surfaces of the carrier glass are fine-ground and polished in order to meet the high optical requirements. Several interference coatings are vapour-deposited on both sides. The diagram opposite illustrates the operating principle. The steep rising edge of the B+W 486 ensures that all UV radiation is filtered out while rays in the visible wavelength range can pass through almost completely. The steep falling edge at the transition to the near infrared range blocks interfering longwave radiation.

Note - In contrast to mass-coloured (integrally coloured) filter glass, the UV-IR barrier filter is based on thin-film technology. More than 30 interference coatings are vapour-deposited on one side, while the opposite side is MRC-coated. In wide-angle lenses, the laws of physics lead to shallower incidence angles for peripheral rays. For geometric reasons these rays have to travel further through the interference coatings than rays travelling vertically through the coatings in the centre of the lens. With increasing angle of incidence, this leads to a change in light colour towards blue. This effect can clearly be seen by looking at an UV-IR barrier filter from an angle (as Above). The colour of the reflected light changes, with a similar effect on the light travelling through the filter.

The filter is therefore not suitable for lens systems
with an angle of view of more than 60°.

  • Individually packed

  • Comes with own plastic storage case

  • All Metal (Brass) and Glass construction

New & Boxed

Photo opposite shows
Filter packaging

Please note that this unit is sold inclusive of VAT.
You will be provided with a VAT invoice on completion of the sale.
 Ref : CasBWIRC67mmMRC

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Saturn Computers Ltd
VAT number: GB 584616610
I provide invoices with VAT separately displayed.

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Return postage
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Buyer pays return postage
The buyer is responsible for return postage costs.
Return policy details
We abide by the distance selling rules, but: These regulations apply to UK sales to private individuals (and NOT business customers or International sales) who purchase by means of one of eBay’s ‘Buy it Now’ formats, and specify that you have a ‘cooling-off’ period of 14 days from receipt of the goods during which time you may notify us of your wish to cancel in writing, by eBay messaging, post or email (please ensure we have received your notification, a message/letter will be sent back to your confirming your RMA (Returns Material Authorisation)number. Please make sure you include your full name and address and invoice number found on the top RHS of the invoice and repeated on the delivery note/label in any correspondance. Any goods returned under this provision must be returned within 10 days from the receipt of your RMA number, (i.e the RMA number is valid for 10 days), goods arriving after this time will be rejected. This applies only to items that we have shipped to you and have been purchased through a Buy-it-Now listing. It does not apply to any auction style listings or if the item has been collected from our premises in which case Distance Selling regulations do not apply, in the same way as they would not apply if you purchased an item from a high street or corner shop. This is not the same as having 14 days free approval. You have a ‘duty of care’ for the goods and they must be returned to us in a saleable condition, in the same condition as they were delivered to you. This means they must be in the original packaging, with all original instructions and internal packing, etc. Once you have used, assembled, inserted print cartridges etc. or mounted the item on the wall you will be deemed to have accepted it and this option will no longer apply. There must be no additional writing or labels on the outside and you should carefully tape up and / or rewrap as necessary to protect the item on its way back to us. The RMA number you have been issued needs to be written as the 1st line of the return address followed buy our company address shown on your invoice/delivery note. You are responsible for returning the goods to us at your cost. For your own protection, you should make sure that you are using an insured, traceable service to return the goods. We will not be responsible for returned goods lost in transit or returned goods damaged in transit that we have reported to your carrier. We will refund the full Buy-it-Now price plus the cheapest UK P&P delivery option listed on eBay for that item(s). (I.E. If you choose to have your goods shipped using a more expensive service such as Express delivery when there is a cheaper eBay delivery option such as Economy or Standard delivery you will only be reimbursed the cost of the Economy delivery option) It is deemed that the additional delivery cost is an additional service to the customer and assuming the delivery service provided met the estimated eBay service delivery times, it is deemed that this part of the sales contract was fulfilled and is non-refundable. Some items are not covered by the above policy. For example No Refunds will be made on perishable goods or sealed software which has been opened, toners / ink cartridges with tabs removed (Once opened these goods are deemed to have been accepted). Please consult each individual eBay listings for product warranty details. Items returned which are not covered by the DSR 'cooling off' period rules will be treated under our standard returns policy. For example returned goods not opened or used which are not faulty (i.e bought in error) may be subject to a re-stocking / test fee which is a minimum of £10 or 25% of the purchase price, which ever is the greater and where items have been advertised as FREE postage in ebay the actual cost of delivering the package to you as shown on your invoice will not be refunded.
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