Home /
2" BDS-RT Baader Diamond Steeltrack Focuser

2" BDS-RT Baader Diamond Steeltrack Focuser

More Views

Application Application Application Application Application Application Application Anwendungsbild: Baader APO95 mit M68 Field Flattener und Baader Diamond Steeltrack Anwendungsbild: Baader APO95 mit M68 Field Flattener Application

Application Images

Images uploaded by Customers

Add Your Review with Images

2" BDS-RT Baader Diamond Steeltrack Focuser

# 2957210

€ 359.00 Price excl. German VAT tax (19%): € 301.68

In Stock

2 Review(s) | Add Your Review

Baader Diamond Steeltrack (BDS-RT) for Refractors with 80 mm focus travel
Minimum height (as supplied – incl. 2" clamp): 78 mm
Minimum height (with optional S58 direct-thread adapters): 65 mm
Focuser weight (as supplied – incl. 2" Klemme): 1.160 g (40.9 oz)
Adapters available or under development to fit a wide variety of refractor telescopes

Testreview on Stargazerslounge.com

Qty:

Product Questions

Is there an RT adapter to fit a Steeltrack focuser to a Skywatcher EQUINOX 80 please?
Thanks, Paul

Question by: Paul Chamberlain on May 24, 2017 9:35:00 PM | 1 Answer(s)

I am the owner of a Vizen ED103SWT refractor.
I would like to change the focuser with your steeltrack RT, is it possible? Wich kind of adapter is useful for?
Regards. Giorgio

Question by: Giorgio on Nov 18, 2017 7:09:00 PM | 1 Answer(s)

Will the BDS-RT fit on the Baader Vario 10X60 finder scope? Will I need an adapter? Which adapter?

Thank you,
Bob

Question by: Robert J Bridges on Oct 26, 2020 10:43:00 PM | 1 Answer(s)

Can this be used on a Zeiss APQ 150/1200? (without any modification, of course). Thanks

Question by: vland on Aug 26, 2020 4:15:00 PM | 1 Answer(s)

Hi, is there a synta small format (86.4mm) RT adapter available for diamond steeltrack refractor focuser?

Question by: Jon Watkins on Apr 6, 2020 11:13:00 AM | 1 Answer(s)

Is there an 2" BDS-RT Baader Diamond Steeltrack Focuser Adapter for Explore Scientific ED APO with a 54mm 0,75 outer thread? (I have a clicklock 54i that is the fitting Im looking for also for the focus adapter). If not, I’d like to put that up on the wishlist.

Question by: Anders Stange on Jul 10, 2020 10:51:00 AM | 1 Answer(s)

Which Adaptor do I need for the BDS-RT to fit my SW ED100 scope?

Question by: Matthew Lovell on Jul 21, 2020 8:29:00 AM | 1 Answer(s)

I have a 2 inch Baader Diamond Steeltrack RT. Can you please confirm the function of the tension brake screw? When this screw is loosened, both the coarse and fine focus knobs can be turned. However when I tighten this screw, the coarse focus knob locks, but the fine focus knob can still be turned and the drawtube and the fine focus knob move as normal. Also when I tighten this screw, focus shifts. Is this correct behaviour, or should tightening this screw lock both knobs and the drawtube. This is not clear in the manual. Thanks.

Question by: Paul Evans on Jun 28, 2019 12:02:00 PM | 1 Answer(s)

I have a Scopos TL 805 and I would like to change my eyepiece because I have tilt.
I would like to have a clarification concerning the fixing of the BDS-RT (# 2957210).
Indeed, I have contradictory information. In the specifications, I see that the fixing is possible in 88mm dovetail but on this site:
https://agenaastro.com/baader-2-diamond-steeltrack-refractor-focuser-2957210.html
72mm dovetail receiver permits 360-degree rotation of focuser with single-screw locking.
He's talking about a 72mm dovetail.
Can you clarify this point or offer me a fixing solution?
cordially

Question by: Guillemet Pierre on Feb 19, 2020 3:12:00 PM | 1 Answer(s)

Do you have an RT which will fit a William Optics Zenithstar 66 SD?

Also is the ZWO EAF compatible with this focuser?

Question by: Simon Barton on Aug 15, 2021 8:52:00 AM | 1 Answer(s)

I am interested in the 2" BDS-RT Baader Diamond Steeltrack Focuser and what I need to fit with sw 80 Ed pro black diamond. This telescope have a 3 screw no thread .

Question by: Michel Giroux on Feb 11, 2021 4:07:00 AM | 1 Answer(s)

We would love to see our Diamond Steeltrack on as many telescopes as possible. However we cant answer this question for certain, since we don't sell this telescope and thus don't know the thread sizes, backfocus and so on. We would need precise measurements of the thread sizes / pitch as well as measurements or specs from your telescope to evaluate the backfocus. If you have these data, you can also see if one of the available adapters fits, otherwise, a custom-made adapter ring would have to be made.

In addition to the adaptations mentioned in the manual at https://www.baader-planetarium.com/en/downloads/dl/file/id/175/product/2858/instruction_manual_for_all_baader_diamond_steeltrack_bds.pdf, we do have the following adapters:
RT-Adapter Ø 97mm Diamond Steeltrack® (Synta / Celestron) # 2957282
RT-Adapter M90x1 Diamond Steeltrack® (Skywatcher) # 2957283
RT-Adapter 4.2" Explore Scientific Diamond Steeltrack® # 2957285
RT-Adapter M90x1.5 Diamond Steeltrack® (Skywatcher) # 2957284
RT-Adapter M93 x 1 Diamond Steeltrack® # 2957281
We'd have to ask you to check

Answer by: Baader Web Team (Admin) on Feb 11, 2021 12:10:00 PM

You must be logged in to answer questions.

I am wondering what is required to use this focuser with a Takahashi 76dcu.

Question by: Can I use this focuser with my Takahashi 76dcu? Is there an adapter that I will need? on Nov 13, 2020 12:37:00 AM | 1 Answer(s)

Does the S58 dovetail mean that the steeltrack effectively has a rotator built in? I mean, if I use an S58 dovetail to M48 adapter for example to thread into my imaging train, I could then clamp it down onto the steeltrack in any chosen orientation of the camera?

Question by: Paul B. on Mar 11, 2019 9:26:00 PM | 1 Answer(s)

I would like to replace the factory fouser on my Sky-Watcher Evostar ProED 80 mm f/7.5 ED APO refractor telescope with your Diamond Steel focuser, but can't find the proper adapter. The factory focuser inserts into the optical tube and is secured with three screws. The screws pass through holes in the optical tube and then thread into the factory focuser. The focuser insertion depth into the optical tube 15mm and the inside diameter of the optical tube is 96,66mm.

Please advise

Question by: Robert on Feb 3, 2022 6:37:00 PM | 1 Answer(s)

Just asked about adapter to William Optics megrez. It has 90 mm fine male thread at tube end.

Question by: Ton on Nov 11, 2020 1:24:00 AM | 1 Answer(s)

Hi I have a Orion 110mm f7.0 Ed refractor
The focuser has a 78.44mm dovetail telescope fitting I have the rt steeltrack focuser do you stock a adaptor that would fit this
Thanks

Question by: gary burford on Mar 15, 2022 11:25:00 AM | 1 Answer(s)

Which adapter do I need for an Explore Scientific 115mm triplet APO with a 3" HEX focuser?

Question by: Bryan on Nov 18, 2021 3:25:00 AM | 1 Answer(s)

Is there an adapter for using the steel track focuser with a Takahashi FC-100DZ ?

Question by: Peter Monson on May 4, 2022 1:30:00 AM | 1 Answer(s)

I want to put an Steeltrack on my Sky-Watcher 100ED Black Diamond dual speed. What kind of adapter would need?

Question by: Xavier on Nov 13, 2020 12:03:00 PM | 1 Answer(s)

Solar telescope Lunt 60 use a dovetail clamp of 78mm for the focuser.
is it possible to attach a 2" BDS focuser to this telescope?

Question by: 2" BDS-RT to a Lunt 60 on May 29, 2021 8:07:00 PM | 2 Answer(s)

Does this Steeltrack focuser work in Orion 110 f:/7.0 ED refractor ? Should I need some kind of adapter for using it ?

Question by: Jussi Halttunen on Feb 6, 2022 4:00:00 PM | 1 Answer(s)

Is there an adapter available to add the steeltrack focuser to a series 5000 5" APO?

Question by: Fabian on Nov 6, 2021 10:08:00 AM | 1 Answer(s)

Does the focuser interface to a Orion ED80 CT tube which has a 72 mm diameter male dovetail interface.

Question by: Michael WAtts on May 13, 2022 4:01:00 AM | 1 Answer(s)

I have Baader Steeltrack focusers on all my telescopes with the steeldrive motor and would like to fit the 2" Baader Steeltrack-RT to my Skywatcher Esprit 100ed Pro which currently has the stock 3" rack and pinion focuser, which has an M117x1mm thread on the telescope side. Is there a connection you do to allow this or are you likely to do a 3" version of the Steeltrack-RT i the future that would fit.

-1

Question by: Neil on May 13, 2021 10:13:00 PM | 1 Answer(s)

Is there an adapter which will allow me to attach the Diamond Steeltrack to a venerable Vixen 90 Fluorite? The scope I love but the focuser was always poor and now terrible!

-2

Question by: Philip on May 12, 2017 7:43:00 PM | 1 Answer(s)

Is there an adapter for the Bresser Messier AR 127L with Hexafoc to mount the BDS RT?

-3

Question by: Rob Hughes on Oct 19, 2018 11:07:00 AM | 1 Answer(s)

Do you have an M117x1 adapter for the 2" BDS-RT focuser?
This is to go onto a 10" GSO RC telescope.
Also, what is the thread type on the back (the mount thread)?
Thank you.

-3

Question by: Lee E Jackson on May 24, 2020 6:07:00 PM | 1 Answer(s)

Do you have an adapter for the Explore Scientific ED102 Triplet APO for the Baader Planetarium 2 Inch Steeltrack Crayford?

-6

Question by: Kevin Walker on Feb 21, 2020 7:55:00 PM | 1 Answer(s)

I have a GSO RC 8" and I would like to replace the focuser.
What do I need? I am very confused what focuser and how does it attach to the ota.
Thank you.
Stephen

-7

Question by: Stephen Campton-Jones on Aug 18, 2019 12:26:00 AM | 1 Answer(s)

Can I fit this focuser to takahashi tsa 120 with 125x1mm thread?
I can not find reduction ring for my scope. Thanks.

-8

Question by: Piotr on Sep 2, 2018 1:24:00 PM | 1 Answer(s)

Do you have an RT Adapter with a female 82mm x 1 connection on the OTA side please? It is to fit a TS-Optics PHOTOLINE 80 mm f/7 FPL53 Apo scope (Model NUmber TSAPO80F7).
Thanks and regards
Dave

-12

Question by: Dave Jones on Mar 21, 2018 10:02:00 AM | 1 Answer(s)

Do you manufacture a Steeltrack to fit onto a flat plate of larger telescopes? I need one to fit a 20" RC telescope that has a machined flat back-plate that fits flush onto the telescope and is then drilled to accommodate different equipment. Ideally we would like a Steeltrack attached to a flat plate with mounting holes that we can then attach to the telescope back-plate by four screws.

-12

Question by: Ian Hargraves on Jun 7, 2018 5:00:00 AM | 1 Answer(s)

Can i get one of these to fit a GT81 WIlliams Optics 2016 model?

-15

Question by: Jon Chard on Jul 19, 2019 10:48:00 AM | 1 Answer(s)

Description

Details

Application example of BDS-SC Diamond Steeltrack

The BDS-RT allows mounting of a finder base and holder (example: MQR-III #2457020)

General Specifications for all Baader Diamond Steeltrack^® (BDS) focusers:

Drive system

True diamonds form a micro-geared high precision drive system never accomplished before
In comparison to conventional crayford or rack & pinion drives, this micro-geared movement has zero backlash, zero cogging, and zero flexure
Diamond Steeltrack 2" focusers lift a payload of 6kg (13 lbs) straight up, without slipping, without excessive bearing preload (bearing preload can be increased further if necessary)
Bearing system utilizes unbreakable Instrument Grade Roller-Bearings instead of simpler Ball Bearings - handles higher loads with greater rigidity and accuracy. No Teflon-pads anywhere
1:10 Stainless Steel fine-focus mechanism, ready for attachment of the optional Diamond Steeldrive temperature-compensating motor drive system
Detachable drive block assembly is reversible for right hand or left hand fine-focus operation and for attaching the Diamond Steeldrive motor block
Shortest possible mechanical design achieves optimum balance between focuser height (backfocus) and rigidity requirements
Zero shift locking knob to precisely stop any movement without affecting optical axis adjustment

Multiple Adapters available for shortest possible connection to most cameras / eyepieces

Mounting of BDS-Adapters on the example of BDS-NT Diamond Steeltrack

Clamping system

S58 Dovetail ring-clamp built into focusing tube for accepting optional T-2 / M48 / M68 and other S58 direct-thread adapters to enable direct thread connection of accessories and cameras without 2" clamp
2" eyepiece clamp with hardened bronze clamp ring (length of clamp: 12.5mm / ½") included as standard
Optionally available 2" Baader Clicklock-clamp w. integrated S58 dovetail (added length: 16mm / 5/8")
Two auxiliary threads (M60x1 and M55x0,75) cut into the RT & NT focusing-tube for attachment of dedicated field flatteners or focal reducers/correctors

BDS-RT: all views

Imaging / eyepiece projection on the example of BDS-RT Diamond Steeltrack

Focusing Drawtube:

Each bearing individually adjustable for precise alignment of mechanical vs. optical axis
Ultra-hard subzero coated bearing races – precision milled and much harder than anodizing or stainless steel
Oversized 55mm inner clear diameter, to prevent vignetting, with anti-reflection knife-edge baffles

Specifications

Additional Information

Manufacturer	Baader Planetarium
SKU (#)	2957210
Net weight (kg)	1.08
Focuser Travel	80 mm
Payload Capacity (kg)	6 kg
Inner Diameter / Clear Aperture (mm)	55
Shortest overall height (standard)	78 mm
Shortest overall height (w. opt. adapters)	65 mm
Reduction	1:10
Rotatable	Yes
Finder base	Yes
Motorized	No, but can be upgraded
Special Features	True diamonds form a micro-geared high precision drive system
Included Accessories	Adapters available or under development to fit a wide variety of refractor telescopes
Inner Connection (lens sided)	Thread, M60
Outer Connection (lens sided)	Thread, Dovetail ring, M68 x 1, S88
Inner Connection (eyepiece/-camera-sided)	Thread, Clamp, Dovetail ring clamp, M55, S58, 2" (50,8mm)
Optional Accessories	Baader Steeldrive temperature compensating motor drive system
compatible telescopes	Refractors
Focuser style	Crayford
Focuser size	2 inch

Downloads