0.75 Thread Telescope Eyepiece Adapter 2 Inch/1.25 Inch to M42 0.965 Inch to M42 | eBay
Amazon.com : Andoer M52-M42(17-31) 17mm-31mm M52 to M42 Mount Camera Lens Adapter Ring Macro Extension Tube Helicoid Lens Focusing Adapter Ring for Macro Photography : Electronics
Amazon.com: Astronomical Telescope Accessories M52 Male Thread to M48 Female Thread Adapter : Electronics
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StarPal 2Inch T-ring Adapter Male Thread 2 Inch to M48 /2 Inch to M42 for Camera Nikon / Canon / Sony and Astronomical Telescope - AliExpress
M48 Male to M52 Female Threads T-Ring Adapter
Amazon.com: Astronomical Telescope Accessories M56-M42/M52 Female Thread to 42 T2 Thread Adapter Compatible with Takahashi FC60,FSQ85 : Electronics
Amazon.com : Astromania M48X0.75 (2" Filter) Female to M42X0.75 T / T2 Male Thread Telescope Adapter : Electronics
SVBONY 2inch T to M42*0.75 Adapter Thread for Astronomy Monocular Telescope Mount Adapter Accept 2inch Filter and Camera
ZWO 2-in to 1.25-in Filter Adapter Ring for Filter Wheels and Drawers | High Point Scientific
Amazon.com : Metal M48 to M52 Male to Female 48mm to 52mm M48-M52 Step-Up Coupling Ring Adapter for Lens Filter Telescope : Electronics
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EYSDON 2 Inch T Adapter 2" Tube to M42*0.75mm Threads for Astronomical Telescope
EYSDON 2" Telescope T2 Camera Adapter M42 T-Ring T Tube with M48 Filter Threads and M54*0.75mm Outer Pitch - AliExpress
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Starlight Xpress M52 adapter (male) for SX USB filter wheel
T2 T (42mm x 0.75) Male M42 to M52 (52mm x 0.75mm) Male Telescope Ring Adapter | eBay
0.75 Thread Telescope Eyepiece Adapter 2 Inch/1.25 Inch to M42 0.965 Inch to M42 | eBay
EYSDON 2" Telescope T Tube Adapter with 2" Filter Threads + M42 Camera T-Ring - AliExpress
Blue Fireball M56 Female & M52 Female to M42 Male Thread Adapter (For Takahashi FC-60) # M-23