Home > Filters > By Brand > Baader
(Details shown apply to the default selection)
Model: 2961450Brand: Baader
Generally In Stock, Please Confirm Before Ordering
Baader O-III f/2 Ultra-Highspeed Filter – Premium Grade4nm FWHM, recommended for extremely fast optical systems from f/3.4 to f/1.8Specially designed for the special filter requirements when used with fast optics like the Celestron RASA astrographsFor highest contrast even at strongest light pollution, minimizes star size, emphasizes finest nebula detail – indispensable under Bortle 9/8/7/(6) skiesReflex-Blocker™ hard coated and planeoptically polished – with sealed coating edges (Life-Coat™)Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rimOptimised for modern CMOS cameras, but likewise excellent for CCD camera technologies
Note about Life-Coat™: Limited-Lifetime-Warranty for CMOS-optimized Baader filters: A Baader Planetarium exclusive. Filters incorporating Baader Planetarium’s Life-Coat™ technology are so durable that Baader Planetarium warrants the coatings for the life of the filter. Baader Planetarium has developed Life-Coat™ using materials and processes that result in coatings which will not degrade or fail for a lifetime. Life-Coat™ coatings resist moisture, temperature extremes, and are hardened to withstand normal cleanings. Baader Planetarium guarantees their Life-Coat™ coatings will not peel, flake or physically degrade and will withstand repeated cleaning with fine optical cleaning equipment. The Limited Lifetime Warranty applies to the original purchaser and does not cover failure from mis-use, physical damage through improper handling, or improper cleaning.
• Increased contrast• Ever more narrow passbands• Reflex-Blocker™ coatings, for largest ever freedom from halos, even under most adverse conditions concerning aux-optics• FWHM on each filter category carefully designed to allow for 1:1:1 exposures, matched for typical CMOS quantum efficiency and s/n ratio• Identical filter thickness to existing standards, with utmost care for parfocality• Blackened edges all around, with filter-lead-side-indicator in the form of a black frontside outer rim, to additionally eliminate any reflection due to light falling onto the edge of a filter• Each filter coated individually, with sealed coating edge (NOT cut out of a larger plate with coatings left exposed)• Life-Coat™: evermore hard coatings to enable a non-aging coating for life – even in a most adverse environment
NET WEIGHT (KG) 0.06-0.09COLOUR BlackTRANSMISSION RANGE O-IIIFILTER THICKNESS (WITHOUT CELL) 2 mm (3mm D50.4 – 65x65mm)HBW (HALFBANDWIDTH) 4 nmCWL (CENTRAL WAVELENGTH) 500,7 nmAR-COATING Reflex-Blocker™ hard coated, planeoptically polishedSPECIAL FEATURES CMOS-optimized with Life-Coat™FILTER SIZE 1 25 inch – 65x65mmFILTER USAGE CMOS, CCD, O-IIIFILTER MOUNTED Mounted (LPFC 6mm)TYPE OF FILTER f/2 Ultra-HighspeedSINGLE OR SET? Single Filter
Be the first to Write a Review for this item!
Some items that are showing as in stock are in stock at our holding warehouses, not at the shop. To double check the stock levels at the shop, please contact us on 01909774369 or email@example.com.
The delivery times for most items is 1 - 2 days but again, please double check stock levels on important orders before placing an order via the website.
The delivery costs for courier next day are for mainland UK only. If you live in the Scottish Highlands/Islands, Channel Islands or Northern Ireland, then a shipping surchage will apply. please contact us for prices. Smaller items can still go 1st class via Royal Mail.
Please note that if you are wanting to take advantage of our Saturday and Sunday timed services or next day pre 12 or pre 10:30 services, you MUST check that the stock is here at the shop before placing orders. Also, orders using the Saturday and Sunday services must be placed before 1pm the previous working day. Also, please remember to check that the stock is here at the shop before placing orders. If the stock is not at the shop, we won't be able to ship on any of the timed services.
Please note International customers will need to contact us for a shipping price prior to ordering via the website. We don't ship all items internationally. It is at our discretion what we ship outside of the UK. This all depends on the size and weight of the items. Please get in touch with us for any postage costs. Please note we do NOT ship telescopes or heavy items outside of the UK. This is due to massive postage costs and problems regarding returns.
If you have any questions regarding stock levels or delivery, please get in touch.
Rother Valley Optics now have a loyalty point scheme active on the website. As you can see from the products, every item has a point value. Each pound you spend with us, you will receive 1 loyalty point. 1 point is worth 1p. You can accumulate these points as you shop with us, then when you are over £5, you can spend them on the website! Easy as that.
Even if you collect most of your items from our shop, you can still order via the website and select the "shop collection" delivery option. Then you can come to our shop, collect your item and still get your points!
Please note this scheme is online only. Customers who order via the telephone can still be added to the scheme manually. Please ask for more details on this. Before placing orders online, please make sure you are registered with us first otherwise your points won't be allocated.
So happy shopping and if you have any questions about the scheme or any other queries, please get in touch.
Rother Valley Optics
Finance is now available on most products above £250! We offer 12, 24, 36 and 48 months with a fixed 15.9% typical APR. Please note this can't be done through the website at this moment in time. You will need to email us or drop into the shop to sort out finance. As long as the item is above £250, finance is generally available!
Please note some items are NOT eligible for finance. Please contact us for eligibility first.
Please get in touch with us today to find out if you're applicable.
You must be over 18 years to apply, live in the UK, have a valid UK bank account and not be bankrupt. Your credit file will be searched on application to see if you are eligible.
Rother Valley Optics Ltd is registered in England and Wales 04762707. Registered Office: 21 Station Road, Kiveton Park, Rotherham, S26 6QP. Rother Valley Optics Ltd acts as a credit broker only. Rother Valley Optics Ltd are authorised and regulated by the Financial Conducts Authority. Credit provided subject to age and status..
If you have any questions about this, simply give us a ring or drop into the shop for a chat.
- - - Rother Valley Optics Ltd
01909 774 firstname.lastname@example.org
Are you interested in this product but would like to speak to someone with some more information? Simply fill in the form below and we will get back to you as soon as we can!
*NamePlease enter your full name*Telephone NumberPlease input your telephone number here*Model NumberPlease enter the model number which is just aboveAdditional InformationPlease include any information here that will help our staff members assist your query*Please add the two numbersSubmitSubmit
*NameYour name*Contact InformationPlease enter your email address or telephone number here so we can contact you about the price match*URL of competitors websitePlease enter a link here to the item where you have seen it cheaperAdditional InformationAny additional information can be inputted here*Please add the two numbersSubmitSubmit