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MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may apply.
MEGA BLACK FRIDAY DEALS //POST CANADA WON'T BE USED UNTIL STRIKE IS SOLVED / Free Shipping for orders over $500* Some exceptions may

Spacer Rings, Extensions & Adapters

Spacer Rings, Extensions & Adapters will help you achieve a correct back focus. There is many format and size for those rings and adapters.

Original price $50.00 - Original price $50.00
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$50.00
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Current price $50.00

Baader DT-Adapter II T-2 / SP54a expanding adapter (2458040)

Baader DT-Adapter II T-2 / SP54a expanding adapter  Digital T Adapter System II, T-2 in on M46 to M82 SP54 (M54, Hyperion) digital T-rings, design...

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Original price $50.00 - Original price $50.00
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Current price $50.00
Original price $120.00 - Original price $495.00
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Current price $120.00

Baader zero-tolerance protective Canon DSLR T-Ring T-2/M48 and 2" (2958550)

Baader Zero-Tolerance Protective Canon DSLR T-Ring T-2/M48 and 2" Today's large sensor digital SLRs and advanced imaging techniques enable amateurs...

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Original price $120.00 - Original price $495.00
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Current price $120.00
Original price $112.00 - Original price $112.00
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$112.00
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Current price $112.00

Baader T-2 C-Mount with mounted UV/IR Cut Filter (2958520I)

Baader T-2 C-Mount with mounted UV/IR Cut Filter 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mount ...

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Original price $112.00 - Original price $112.00
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$112.00
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Current price $112.00
Original price $72.00 - Original price $72.00
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$72.00
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Baader C-Mount T-2 with integrated 1¼" Filterholder (2958520)

Baader C-Mount T-2 with integrated 1¼" Filterholder 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mou...

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Original price $72.00 - Original price $72.00
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Original price $65.00 - Original price $65.00
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$65.00
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Current price $65.00

Baader 1" C-Mount-Adapter with 1-1/4" Nosepiece length 18mm (2958515)

Baader 1" C-Mount-Adapter with 1-1/4" Nosepiece length 18mm 1¼" nosepiece with 1" (25.4mm) C-mount 18mm insertion length (with integrated 1¼ "filt...

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Original price $65.00 - Original price $65.00
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$65.00
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Original price $57.00 - Original price $57.00
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$57.00
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Baader C-Mount Conversion-Ring 1"C(int) / T-2(ext) (2958521)

Baader C-Mount Conversion-Ring 1"C(int) / T-2(ext)  Converts C-mount to T2 Thread Ring has 1" C-mount internal threads and external T-2 threads Al...

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Original price $57.00 - Original price $57.00
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Original price $112.00 - Original price $112.00
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$112.00
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Current price $112.00

Baader C-Mount Nikon F-Mount Adapter (2958535)

Baader C-Mount Nikon F-Mount Adapter Baader C-Mount adapter for Nikon F-mount DSLR camera lenses To connect DSLR camera lenses or DMK video module...

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Original price $112.00 - Original price $112.00
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$112.00
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Original price $130.00 - Original price $130.00
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$130.00
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Baader C-Mount Canon EOS (2958525)

Baader C-Mount Canon EOS C-Mount to Canon EOS Adapter for DSLR camera lenses To connect DSLR camera lenses or DMK video modules Technical Specifi...

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Original price $130.00 - Original price $130.00
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Original price $806.00 - Original price $806.00
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$806.00
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Baader IMP85 Extension IR90 37mm (#2451320)

Baader IMP85 Extension IR90 37mm  37.5 mm Extension for the IR90 - Integrated Rotating Focuser from PlaneWave to the telescope to gain more back fo...

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Original price $806.00 - Original price $806.00
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Original price $81.00 - Original price $81.00
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$81.00
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Current price $81.00

Antares 2" Binocular Filter adapter (BFA1)

Antares 2" Binocular Filter adapter You can attach 2" filters to your roof prism binoculars with this set (2) of BAF1.  Fits binocular ...

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Original price $81.00 - Original price $81.00
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Current price $81.00
Original price $27.00 - Original price $27.00
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$27.00
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Current price $27.00

Unihedron Sky Quality Meter - Tripod adaptors

Unihedron Sky Quality Meter - Tripod adaptors This adaptor kit was designed to fit the SQM, SQM,L,LU,LE,LR,DL. The battery compartments in the hand...

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Original price $27.00 - Original price $27.00
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Original price $262.00 - Original price $262.00
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$262.00
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Baader IMP85 Adapter to M68i (2451315)

Baader IMP85 Adapter to M68i Connection camera side to M68x1 female thread on the Port 1 of the Instrument Multi Port IMP85 (#2451300) A variety ...

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Original price $262.00 - Original price $262.00
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Original price $347.00 - Original price $347.00
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$347.00
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Baader IMP85 Adapter to FT 3.5" (2451314)

Baader IMP85 Adapter to FT 3.5" Telescope adapter for telescopes with Starlight Instruments FeatherTouch 3.5" focuser to the Instrument Multi Por...

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Original price $347.00 - Original price $347.00
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Original price $289.00 - Original price $289.00
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$289.00
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Current price $289.00

Baader IMP85 Adapter to M100 Internal (2451313)

Baader IMP85 Adapter to M100 Internal This adapter is used to povide a M100x1 female thread for Alluna Optics at port 1 of the Instrument Multi P...

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Original price $289.00 - Original price $289.00
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$289.00
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Original price $289.00 - Original price $289.00
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$289.00
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Baader IMP85 Adapter to M100 External (2451312)

Baader IMP85 Adapter to M100 External This adapter is used to mount the Instrument Multi Port IMP85 (#2451300) for Alluna Optics M100a (male thre...

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Original price $289.00 - Original price $289.00
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Current price $289.00
Original price $256.00 - Original price $661.00
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Current price $256.00

Baader IMP85 Adapter to IR90 Focuser (2451311)

Baader IMP85 Adapter to IR90 Focuser This adapter is used to mount the  Instrument Multi Port IMP85 (#2451300) to telescopes with IR90 focuser. A...

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Original price $256.00 - Original price $661.00
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Current price $256.00
Original price $269.00 - Original price $269.00
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Baader IMP85 Adapter to Hedrick Focuser (2451310)

Baader IMP85 Adapter to Hedrick Focuser This adapter is used to mount the  Instrument Multi Port IMP85 (#2451300) to the PlaneWave CDK 14/17/20/2...

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Original price $269.00 - Original price $269.00
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Original price $81.00 - Original price $81.00
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$81.00
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Baader M55a/M68a Adapter for All 2" Baader Mirrors and Prisms (2956110)

Baader M55a/M68a Adapter for all 2" Baader mirrors and prisms Baader M55a / M68a (Zeiss) adapter for all Baader 2" mirror and prism star diagona...

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Original price $81.00 - Original price $81.00
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Original price $75.00 - Original price $75.00
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Baader 2" NexStar Locking Ring (2458270)

Baader 2" NexStar Locking Ring Allows direct connection of Baader 2" Zenith Prisms and mirrors to Schmidt-Cassegrain telescopes. For Celestron S...

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Original price $75.00 - Original price $75.00
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Original price $269.00 - Original price $269.00
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Baader Universal Alan Gee II - Telecompressor (UAG II) (2454405)

Baader Universal Alan Gee II - Telecompressor (UAG II) Schmidt-Cassegrain telecompressor/reducer and flatfield-corrector For Schmidt-Cassegrain-...

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Original price $269.00 - Original price $269.00
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Original price $58.00 - Original price $58.00
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Baader T-2 Locking Ring with Lever - for MaxBright® II (2458271)

Baader T-2 Locking ring with lever - for MaxBright® II T-2 (M42x0.75) Locking ring with lever for direct attachment of the MaxBright® II onto al...

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Original price $58.00 - Original price $58.00
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Original price $15.00 - Original price $15.00
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Baader Bino auxillary-ring for adaptation of MaxBright® II (2458272)

Baader Bino auxillary-ring for adaptation of MaxBright® II Maxbright II Bino rotation lock/auxillary-ring – for the shortest possible adaptation...

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Original price $15.00 - Original price $15.00
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Original price $43.00 - Original price $43.00
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$43.00
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Current price $43.00

Pegasus Astro M68 Male to M68 Male (M54 inner hole)

Pegasus Astro M68 Male to M68 Male (M54 inner hole) Adapter (Backfocus) Thickness: 1.4 mm Thread: Pitch 1.0mm / 4 mm length Inner hole with M54 / ...

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Original price $43.00 - Original price $43.00
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Original price $43.00 - Original price $43.00
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Pegasus Astro M68 Male to M54 Female

Pegasus Astro M68 Male to M54 Female Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M54 Thread Pitch 0.75mm Technical...

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Original price $43.00 - Original price $43.00
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Original price $43.00 - Original price $43.00
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Pegasus Astro M68 Male to M42 Male

Pegasus Astro M68 Male to M42 Male Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M42 Thread Pitch 0.75mm / 4mm length...

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Original price $43.00 - Original price $43.00
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Original price $43.00 - Original price $43.00
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Pegasus Astro M68 Male to M48 Male (M42 inner hole)

Pegasus Astro M68 Male to M48 Male (M42 inner hole) Adapter (Backfocus) Thickness: 1.4 mm M68 Thread: Pitch 1.0mm / 4mm length M48 Thread Pitch 0....

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Original price $43.00 - Original price $43.00
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Original price $230.00 - Original price $230.00
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Artesky M54 Adapter for Celestron EDGE HD 9.25" 11" and 14" (SCT-EDGE-M54)

Artesky M54 Adapter for Celestron EDGE HD 9.25" 11" and 14"  This photographic T-Adapter for telescopes is to be used together with an M54 ring to ...

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Original price $230.00 - Original price $230.00
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Original price $50.00 - Original price $50.00
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Baader 2"M/2"M Inverter Ring with M48 internal filter thread (INVERT-2)

Baader 2"M/2"M Inverter Ring with 48mm filter thread Converts 2" female into 2" male thread Internal M48 Filter thread for 2" filter Can be used ...

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Original price $50.00 - Original price $50.00
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Original price $45.00 - Original price $45.00
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Baader 2"F/ 2"F Thread-Inverter-Ring (INVERT-2F)

Baader 2"F / 2"F Thread-Inverter-Ring Reverses 2" (50,8mm) male into 2" female SC-thread allows shortest possible rigid connection onto 2" SC-thre...

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Original price $45.00 - Original price $45.00
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Original price $195.00 - Original price $195.00
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$195.00
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Baader Off Axis Guider for Baader FlipMirror II (BFM-OAG)

Baader Off Axis Guider for Baader FlipMirror II  Off Axis Guider (BFM-OAG) for direct connection to the Baader FlipMirror II Star Diagonal (#24580...

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Original price $195.00 - Original price $195.00
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Original price $52.00 - Original price $52.00
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Current price $52.00

Geoptik Maksutov / schmidt cassegrain adapter (30A188)

Geoptik Maksutov / schmidt cassegrain adapter Brass adapter to use all S.C. accessories on the Mack  Technical Specifications Inside thread : Mak...

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Original price $52.00 - Original price $52.00
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Original price $47.00 - Original price $47.00
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Current price $47.00

QHYCCD Canon Lens Adapter M42 (020072)

QHYCCD Canon Lens Adapter M42 10mm M42 Canon Lens Adapter for QHYCCD Cooled CMOS (COLDMOS) imaging cameras.. Technical Specifications  ...

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Original price $47.00 - Original price $47.00
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Original price $18.00
Original price $18.00 - Original price $18.00
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Current price $15.30
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SVBONY SV125 2'' to T2 SLR Camera Adapter (F9196A)

SVBONY SV125 2'' to T2 SLR Camera Adapter  Svbony 2'' to T2 camera adapter fits for all 2'' focusers, at the end of the adapter is threaded to ac...

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Original price $18.00
Original price $18.00 - Original price $18.00
Original price $18.00
Current price $15.30
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Original price $117.00 - Original price $117.00
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$117.00
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Current price $117.00

William Optics SCT to 1.25" RotoLock Visual Back Adapter (F-ROTO-A2-125-SCT-TA)

William Optics SCT to 1.25" RotoLock Visual Back Adapter The new RotoLock series of adapters from William Optics may well set the "gold' standard ...

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Original price $117.00 - Original price $117.00
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Current price $117.00
Original price $17.00
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Current price $14.45
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Svbony 68mm Extension Tube M42 (F9105A)

Svbony 68mm Extension Tube M42 Super easy to use; eyepiece put into the extended cylinder; then screw t adapter; t ring adapter and extended cylind...

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Original price $17.00
Original price $17.00 - Original price $17.00
Original price $17.00
Current price $14.45
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Current price $14.45
Save $2.55 Save $0.00
Original price $44.00 - Original price $44.00
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$44.00
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Current price $44.00

Geoptik Filter Reducer From 2" to 1.25" (10B008)

Geoptik Filter Reducer From 2" to 1.25"  Filter reducer from 2″ to 1,25″ In the Box Geoptik Filter Reducer From 2" to 1.25" Warranty & Manual A...

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Original price $44.00 - Original price $44.00
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$44.00
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Current price $44.00
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