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Borg Fast Astrographs

Japanese made Borg telescopes and accessories are available now from 365Astronomy.

These Japanese optics of superior quality offer fast imaging...

Various optical systems are available at f/3.6, f/3.9 and f/5.6., but always the highest quality.

Shrtly we will also offer bundles with Primaluce Lab Eagle and some premium telescope mounts as well.

Products

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$Borg Fluorite Apochromatic Refractor 107FL f3.9 with ESATTO 3" Motorised Focuser$

£5215.00

Low stock (1)

SKU: BORG10739EST3

Borg

Borg Fluorite Apochromatic Refractor 107FL f3.9 with ESATTO 3" Motorised Focuser

		(0 reviews)

This wonderful apochromatic refractor with fluorite optics offers an incredible f3.9 focal ratio and it has a very large 55mm flat field to allow the use of cameras also equipped with very large sensors, even larger than Full...

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$Borg Fluorite Apochromatic Refractor 90FL f3.9 with ESATTO 3" Motorised Focuser$

£4675.00

Ask about stock

SKU: BORG9039EST3

Borg

Borg Fluorite Apochromatic Refractor 90FL f3.9 with ESATTO 3" Motorised Focuser

		(0 reviews)

Borg fluorite apochromatic refractor 90FL f3.9 with ESATTO 3", 90mm diameter, 350mm focal length (f3.9), 6 elements fluorite apochromat, carbon fiber tube with 3 inches ESATTO focuser, rear thread for camera connection,...

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New Arrivals

$Borg Fluorite Apochromatic Refractor 90FL f3.9 with ESATTO 3" Motorised Focuser$

£4675.00

Ask about stock

SKU: BORG9039EST3

Borg

Borg Fluorite Apochromatic Refractor 90FL f3.9 with ESATTO 3" Motorised Focuser

Added: 03/10/2019

		(0 reviews)

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$Borg Fluorite Apochromatic Refractor 107FL f3.9 with ESATTO 3" Motorised Focuser$

£5215.00

Low stock (1)

SKU: BORG10739EST3

Borg

Borg Fluorite Apochromatic Refractor 107FL f3.9 with ESATTO 3" Motorised Focuser

Added: 03/10/2019

		(0 reviews)

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News

22/04/2020

The long awaited shipment from ZWO has arrived with ASI6200MC-PRO and ASI6200MM-PRO cameras.

At the moment we also have a few ASI533MC-PRO and ASI183MM-PRO cameras.

More shipments will be coming with more cameras, so please contact us or just pre-order any ZWO product, but be prepared for a bit of a delay. ZWO manufacturing is at full speed, however the delays are due to limited courier services in China. Never-the-less we have several large scheduled shipments from ZWO and will carry on pursuing further shipments to fulfill customer demand.

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Reviews

$Baader 2" BDS-RT Diamond Steeltrack RT Focuser for Refractor Telescopes$

Baader 2" BDS-RT Diamond Steeltrack RT Focuser for Refractor Telescopes

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...

G.N.Wilcock

Oct 26, 2019