This Reducer/Flattener has been specifically designed for the Sharpstar 94EDPH APO telescopes to achieve a fast f/4.4 focal ratio for full frame imaging.
EAGLE4 is the most advanced all-in-one computer for telescopes and astrophotography. Discover the next level of remote control and power, now with GPS, EYE sky quality sensor and DARK mode.
Inside the unique PLUS aluminum...
EAGLE4 S is the more powerful version of the EAGLE4. With its Dual Core i3 processor (with Turbo Mode up to 3,9 GHz), 8 GB fast memory, larger SSD (240 GB) and added Thunderbolt 3 port with USB-C connector (that allows even...
EAGLE4 PRO is our most powerful version of the EAGLE4, and thanks to its Quad Core i5 processor (with Turbo Mode up to 4.1 GHz), 16 GB fast memory, increased SSD storage space (480 GB), and added Thunderbolt 3 port with USB-C...
This 0.7x Reducer has been specifically designed for the ASKAR FRA400 f5.6 APO telescopes to achieve a very fast f/3.9 focal ratio and 280mm focal length for wide field full frame imaging.
This Reducer/Flattener has been specifically designed for the Sharpstar 94EDPH APO telescopes to achieve a fast f/4.4 focal ratio for full frame imaging.
INTRODUCTORY PROMOTION! 10% OFF! The serious amateur's large astro photo instrument for deepsky, at the edge of portability, this fast Cassegrain is recommended mainly for astro photography!
INTRODUCTORY PROMOTION! 10% OFF! The serious amateur's astro photo instrument, still portable, fast APO with incredible colour correction, for both astro photo and nature photography!
INTRODUCTORY PROMOTION! 10% OFF! The serious amateur's astro photo instrument with a pioneering (in this size) dual ED optical system. A fast triplet APO with 910mm focal length, with incredible colour...
A WORLD FIRST! Structure and appearance of a camera lens, but with a performance of a high quality APO telescope!
The ASKAR ACL200has been specifically designed for astrophotography, whilst it meats the...
The SharpStar 76EDPH refracting telescope is a three-element fully separated design that includes one exotic ED lens and multi-layer coating on all surfaces to reduce internal reflections.
The SharpStar 76EDPH provides a...
The ASKAR FMA180 objective lens features a triplet air-spaced APO design, includes two pieces of ED (extra-low dispersion) glass, providing excellent correction of chromatic aberration, which lays the foundation for...
Look no further for the highest quality "Flatfield Refractive Astrograph" - FRA in the 72mm aperture.
The FRA400 is a refractive astrograph designed for built-in flat field correction, however it can also be...
The SharpStar 61EDPH refracting telescope is a three-element fully separated design that includes one exotic ED lens and multi-layer coating on all surfaces to reduce internal reflections. It provides a very good observation...
The SharpStar 61EDPH refracting telescope is a two-element fully separated design that includes one exotic ED lens and multi-layer coating on all surfaces to reduce internal reflections. It provides a very good observation...
The Zenithstar 73 is a greatly versatile and portable refractor telescope for beginners and veterans alike. Designed for both astrophotography and wildlife photography, high power visual observing through the Zenithstar 73 is...
INTRODUCTORY PROMOTION! 10% OFF! The serious amateur's astro photo instrument, still portable, fast APO with incredible colour correction, for both astro photo and nature photography!
The unique optical design includes the highest quality glass for the best possible colour correction and flat field. The result is a 51mm objective lens, in a sleek Petzval design, using Synthetic Flouride (FPL53 and FPL51)...
A quick message for those who might have thought to miss this promotion is that due to the fact that 1 Jan was a bank holiday followed by a weekend, we decided to end it on the morning on the first working day of the year: 9am on Monday, 4 January 2021.
So from now you will still have about 36-37 hours to make a decision... The following camera are in this promotion:
ASI071MC-PRO (APS-C sized),
ASI6200MC-PRO (full frame) ASI6200MM-PRO (full frame) and various bundles with this monochrome camera,
ASi2400MC-PRO (full frame, large pixels),
ASI1600GT (with built-in filter wheel),
ASI183GT (with built-in filter wheel),
ASI2600MC-PRO (APS-C sized) (one of the most popular cameras these days),
ASI533MC-PRO (smaller square filter, but extremely popular) ASI1600MMP-KIT3 (this is the only camera that will stay on promotion till stocks last),
ASI462MC-PRO (currently the best and most popular planetary camera due to its extreme sensitivity in near IR),
ASI120MC-S and ASI120MM-S (no introduction needed - our longest selling planetary imagers and guide cameras),
and finally but not lastly at all: ASIAIR PRO (and BUNDLES) - the must have all rounder astro photographer's brain and power center for your ZWO camera: for aligning, locating, guiding and imaging, etc. - all in one...
Hope you can find something on the above list that might be worth considering!
Fitting a 2-inch BDS-RT Baader Diamond Steeltrack Focuser to a Teleskop-Service GSO 8-inch Ritchey-Chretien
Background
The TS 8-inch RC has M90x1mm connections at the focuser end of the scope. My setup has a TS
50mm extension adapter with for 6- & 8-inch RC connected to the scope (TS part no: GSRCV50),
to accommodate the long back-focus.
Attached to this is a TS M90 tilting adapter flange (TS part no: GSRCJ90). This is an aid to
collimation and allows the long axis of the focuser to be aligned with the optical axis of the scope.
I then have a standard TS monorail focuser for the RC, again with an M90x1 connection.
Image 1 shows the 50mm extension and tilting flange, with the old focuser removed. Note the M90
male thread at the end of the flange, to which the focuser connects.
Fitting the Baader Diamond Steeltrack RT
It is assumed that the reader has access to the Steeltrack manual and has purchased the necessary
RT-Adapter M90x1 Diamond Steeltrack (Baader part nu...
PLEASE READ IT! IMPORTANT! COVID-19 and STOCK AVAILABITITY INFO:
Please note that currently we receive about 10 times more phone calls, 3-4 times as many emails, orders etc. whilst we work with reduced staff, so please be patient.
PRICE CHANGE!!! We've received new pricelists for BRESSER, EXPLORE SCIENTIFIC, LUNT and VIXEN products receintly. It will take several days to update the prices, so we cannot guarantee to acceptance of orders for these brands at the current prices. We would recommend to wait till Monday, 18 January to place any orders (or call us to confirm the price and availability before ordering).
PLEASE CONTACT US TO CHECK CURRENT AVAILABILITY BEFORE YOU ORDER ANY SKYWATCHER, CELESTRON, BAADER, BRESSER, LUNT, TS and ZWO PRODUCTS (and possibly some others as well), AS STOCK LEVELS FLUCTUATE AND WE JUST CANNOT UPDATE THE LEVELS IN REAL TIME...
If you have an urgent inquiry, please call Zoltan on his mobile during working hours (Mon-Fri 9am-5pm)
Please send a text or WhatsApp message to Zoltan ONLY if you failed to call him or if it is extremely urgent. His mobile has been flooded with messages as well...
079 1278 4737 (international format: + 44 79 1278 4737)
Thanks for your patience!
Keep safe and healthy!
sidenote... TO THE ATTENTION OF OUR INTERNATIONAL CUSTOMERS!
EU CUSTOMERS: We have temporarily disabled European destinations whilst we adjust our system to the new VAT rules. Hopefully we'll be able to resume shipments to EU countries soon.
USA CUSTOMERS: shipping to the USA is active again, but we request customers to confirm product availability before placing an order! If you are ordering an MGEN-3, no need to check stock, we've got plenty of those. Please note, we will try to avoid sending goods via a postal service due to the huge delays and as DHL Express is more expensive than our system would currently charge for, we might have to charge extra depending on the value and size of the ordered goods.
Please note, due to the increased number if issues with postal services to most directions (especially Australia, Canada etc), we will only ship to these countries on the base of special request and depending on the value and size of the products. This is a temporary measure and we hope to supply worldwide again as soon as the situation improves.
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