Home > Filters > By Brand > Astronomik
(Details shown apply to the default selection)
Model: 10250125Brand: Astronomik
Generally In Stock, Please Confirm Before Ordering
There is an ever growing demand for filters suitable for extremely fast optical systems like Celestron´s RASA the Epsilon Astrographs made by Takahashi.
Our novel MaxFR emission line filters are suitable up to very fast focal ratios. The new Astronomik MaxFR series of narrowband-emissionline filters are perfectly matched to the requirements of astronomical deep-sky imaging with fast optical systems. For the three most important emission lines of oxygen (OIII), hydrogen (H-alpha) and sulfur (SII) you may select your filters either with 12nm or 6nm Bandwidth (FWHM).
Highest transmission:Our new MaxFR filters are made in a completely new way, designed to work perfectly with fast optical systems. The built-in well known MFR Coating technique gives you the best out-of-band blocking possible across the entire range of wavelengths from the UV up to IR! Your advantage of our new design is a extremly high contrast, minimized stray light, no halos and needle-sharp stars. The Astronomik MFR narrowband-emissionline filters give you the best quality of data: The best start material to be processed to a awesome final image!
For 12nm MaxFR filters this means a unlimited usability from f/1.7 to f/1:8 and about 85% of the maximum transmission at a f/1:1.4 as guaranteed.
For 6nm MaxFR filters this means a unlimited usability from f/2.2 to f/1:8 with about 90% of the maximum transmission at a f/2 as guaranteed performance data.For maximum contrast the SII filter is carefully designed to block all light coming from H-alpha and NII (nitrogen).
Imaging with Narrowband-Emissionline FiltersIf you have to observe from light polluted sites (like most of us...), imaging with narrowband-emissionline filters is the best way to take great images, as all kind of light pollution can be blocked very effective! Normally an H-alpha filter should be your first step into this amazing field of astrophotography! With an Narrowband H-alpha filter you will be able to take deep and contrasty images even with very heavy light pollution or with the full moon high up in the sky!If you look at other astrophotos, an H-alpha is the best choice for all nebulas glowing red! An OIII filters expands your imaging possibilities, as you are able to image all greenish/blueish structures. Planetary nebulas and star forming regions are great targets! The SII filters completes your HSO-set of filters. With these three filters you are able to process your images like the ones from the Hubble space telescope!
Quality aspects of the new Astronomik MFR narrowband-emissionline filters:
MFR Coating: The 12nm Filters can be used on all instruments down to f/1.4, the 6nm filters down to f/2.High-Quality substrate: Astronomik filters are made with stress- and striae free, optically polished glass. The filter itself is made of ultra thin layers on this substrate!Parfocal filters: All Astronomik Filters are parfocal! Due to the very small thickness-tolerance the focal plane is not shifted when changing filters!Coating: Astronomik filters are made of up to 170 layers which are coated on both sides of the substrate. These layers form the filter itself and act as a Anti-Reflection Coating.Durability: Due to our coating technique all Astronomik filters are highly scratch resistant, not sensitive to moisture and do not degrade when getting older. Every Astronomik filter will deliver it´s full performance and meet the specs at the point of shipping even after lot´s of years.Integrated Blocking: All unwanted light is blocked in the whole spectral range from UV up to the IR! (You will not need an additoinal UV & IR-Blocker when imaging with any of our new narrowband-emissionline filters with coating!)Wide range of available sizes from 1,25" up to square 50mm x 50mm filters.Delivered in a high-quality protection & storage box.Due to our outstanding coating technique we do offer a 10 year guarantee on all of our filters.You get the highest quality possible with every single Astronomik filter to be able to take perfect images with your instruments! Especialy the filters against light pollution and the narrowband-emissionline filters will expand your imaging possibilities enormous! You are investing your money for an accessory which will work in lot´s of years in the same ways it did when it was brand new. Due to our special coating technique the filters do not degrade when getting older, and due to the new MFR coating you will be able to use the filter on nearly all instruments!
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 firstname.lastname@example.org.
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 email@example.com
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