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{"id":8713968943257,"title":"M48 2-Inch Extension Tube Kit — 5\/7\/15\/20\/30mm Rings — M48×0.75 Male \u0026 Female Threads — for DSLR\/SLR Backfocus, Flatteners \u0026 Eyepieces — 5-Ring Set","handle":"m48-2-inch-extension-tube-kit-5-7-15-20-30mm-rings-m48-0-75-male-female-threads-for-dslr-slr-backfocus-flatteners-eyepieces-5-ring-set","description":"\u003ch3\u003eM48 2-Inch Extension Tube Kit — 5\/7\/15\/20\/30mm Rings — M48×0.75 Male \u0026amp; Female Threads — for DSLR\/SLR Backfocus, Flatteners \u0026amp; Eyepieces — 5-Ring Set\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eKey Product Features Dial In Precise Backfocus: Five rings (5\/7\/15\/20\/30\r\nmm) stack in any combination to solve spacing for astrophotography and\r\neyepiece projection—achieve fine adjustment from 5 mm up to 77 mm total.\r\nTrue 2\" Interface (M48×0.75): Double-threaded male \u0026amp; female M48 on every\r\nring for easy stacking and broad compatibility with 2\" accessories that use\r\nthe 48 mm filter thread (flatteners, reducers, filter holders, OAGs). Note:\r\nM48 (2\" filter thread), not M42\/T-2. All-Metal, Anodized Build: Durable\r\naluminum construction with a hard, matte anodized finish resists wear and\r\nreflections; precisely cut threads engage smoothly to help prevent binding or\r\ncross-threading. Maintain Optical Alignment: Tight tolerances help keep\r\nthe optical train square and repeatable when adding or removing rings—ideal\r\nfor critical spacing on reducers\/flatteners and camera adapters. QC’d \u0026amp;\r\nReady for the Field: Each set is test-assembled and visually inspected for\r\nfit and finish before packing, so you can focus on capturing sharp, high-\r\ncontrast images. --- What’s in the Box Five M48 Extension Rings: 5 mm, 7\r\nmm, 15 mm, 20 mm, 30 mm Thread Spec: M48×0.75 male on one side, M48×0.75\r\nfemale on the other (double-threaded) Compatibility: Works with 2\"\r\naccessories that use the M48 (48 mm) filter thread\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003e**Dial In Precise Backfocus:** Five rings (5\/7\/15\/20\/30 mm) stack in any combination to solve spacing for astrophotography and eyepiece projectionachieve fine adjustment from 5 mm up to 77 mm total.\u003c\/li\u003e\r\n \u003cli\u003e**True 2\" Interface (M480.75):** Double-threaded male \u0026amp; female M48 on every ring for easy stacking and broad compatibility with 2\" accessories that use the 48 mm filter thread (flatteners, reducers, filter holders, OAGs). *Note: M48 (2\" filter thread), not M42\/T-2.*\u003c\/li\u003e\r\n \u003cli\u003e**All-Metal, Anodized Build:** Durable aluminum construction with a hard, matte anodized finish resists wear and reflections; precisely cut threads engage smoothly to help prevent binding or cross-threading.\u003c\/li\u003e\r\n \u003cli\u003e**Maintain Optical Alignment:** Tight tolerances help keep the optical train square and repeatable when adding or removing ringsideal for critical spacing on reducers\/flatteners and camera adapters.\u003c\/li\u003e\r\n \u003cli\u003e**QCd \u0026amp; Ready for the Field:** Each set is test-assembled and visually inspected for fit and finish before packing, so you can focus on capturing sharp, high-contrast images.\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2026-04-19T02:58:51+10:00","created_at":"2026-04-19T02:58:48+10:00","vendor":"starboosa","type":"Extension Tubes","tags":["sound_Apr2026"],"price":24900,"price_min":24900,"price_max":24900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":46967851843737,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0FNCDLJQG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"M48 2-Inch Extension Tube Kit — 5\/7\/15\/20\/30mm Rings — M48×0.75 Male \u0026 Female Threads — for DSLR\/SLR Backfocus, Flatteners \u0026 Eyepieces — 5-Ring Set","public_title":null,"options":["Default Title"],"price":24900,"weight":312,"compare_at_price":null,"inventory_management":"shopify","barcode":"SB106871","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/soundstores.net\/cdn\/shop\/files\/B0FNCDLJQG.jpg?v=1776697127","\/\/soundstores.net\/cdn\/shop\/files\/61xxxzwwPZL.jpg?v=1776531530","\/\/soundstores.net\/cdn\/shop\/files\/61Ji-2hiGGL.jpg?v=1776531530","\/\/soundstores.net\/cdn\/shop\/files\/51VPBLPHKkL.jpg?v=1776531530","\/\/soundstores.net\/cdn\/shop\/files\/61pADGtkgaL.jpg?v=1776531530","\/\/soundstores.net\/cdn\/shop\/files\/51Wj9nETJRL.jpg?v=1776531530","\/\/soundstores.net\/cdn\/shop\/files\/51ULV3_j_9L.jpg?v=1776531530"],"featured_image":"\/\/soundstores.net\/cdn\/shop\/files\/B0FNCDLJQG.jpg?v=1776697127","options":["Title"],"media":[{"alt":null,"id":36231335313561,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/B0FNCDLJQG.jpg?v=1776697127"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/B0FNCDLJQG.jpg?v=1776697127","width":1000},{"alt":null,"id":36231335346329,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/61xxxzwwPZL.jpg?v=1776531530"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/61xxxzwwPZL.jpg?v=1776531530","width":1000},{"alt":null,"id":36231335379097,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/61Ji-2hiGGL.jpg?v=1776531530"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/61Ji-2hiGGL.jpg?v=1776531530","width":1000},{"alt":null,"id":36231335411865,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/51VPBLPHKkL.jpg?v=1776531530"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/51VPBLPHKkL.jpg?v=1776531530","width":1000},{"alt":null,"id":36231335444633,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/61pADGtkgaL.jpg?v=1776531530"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/61pADGtkgaL.jpg?v=1776531530","width":1000},{"alt":null,"id":36231335477401,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/51Wj9nETJRL.jpg?v=1776531530"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/51Wj9nETJRL.jpg?v=1776531530","width":1000},{"alt":null,"id":36231335510169,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/soundstores.net\/cdn\/shop\/files\/51ULV3_j_9L.jpg?v=1776531530"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/soundstores.net\/cdn\/shop\/files\/51ULV3_j_9L.jpg?v=1776531530","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eM48 2-Inch Extension Tube Kit — 5\/7\/15\/20\/30mm Rings — M48×0.75 Male \u0026amp; Female Threads — for DSLR\/SLR Backfocus, Flatteners \u0026amp; Eyepieces — 5-Ring Set\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eKey Product Features Dial In Precise Backfocus: Five rings (5\/7\/15\/20\/30\r\nmm) stack in any combination to solve spacing for astrophotography and\r\neyepiece projection—achieve fine adjustment from 5 mm up to 77 mm total.\r\nTrue 2\" Interface (M48×0.75): Double-threaded male \u0026amp; female M48 on every\r\nring for easy stacking and broad compatibility with 2\" accessories that use\r\nthe 48 mm filter thread (flatteners, reducers, filter holders, OAGs). Note:\r\nM48 (2\" filter thread), not M42\/T-2. All-Metal, Anodized Build: Durable\r\naluminum construction with a hard, matte anodized finish resists wear and\r\nreflections; precisely cut threads engage smoothly to help prevent binding or\r\ncross-threading. Maintain Optical Alignment: Tight tolerances help keep\r\nthe optical train square and repeatable when adding or removing rings—ideal\r\nfor critical spacing on reducers\/flatteners and camera adapters. QC’d \u0026amp;\r\nReady for the Field: Each set is test-assembled and visually inspected for\r\nfit and finish before packing, so you can focus on capturing sharp, high-\r\ncontrast images. --- What’s in the Box Five M48 Extension Rings: 5 mm, 7\r\nmm, 15 mm, 20 mm, 30 mm Thread Spec: M48×0.75 male on one side, M48×0.75\r\nfemale on the other (double-threaded) Compatibility: Works with 2\"\r\naccessories that use the M48 (48 mm) filter thread\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003e**Dial In Precise Backfocus:** Five rings (5\/7\/15\/20\/30 mm) stack in any combination to solve spacing for astrophotography and eyepiece projectionachieve fine adjustment from 5 mm up to 77 mm total.\u003c\/li\u003e\r\n \u003cli\u003e**True 2\" Interface (M480.75):** Double-threaded male \u0026amp; female M48 on every ring for easy stacking and broad compatibility with 2\" accessories that use the 48 mm filter thread (flatteners, reducers, filter holders, OAGs). *Note: M48 (2\" filter thread), not M42\/T-2.*\u003c\/li\u003e\r\n \u003cli\u003e**All-Metal, Anodized Build:** Durable aluminum construction with a hard, matte anodized finish resists wear and reflections; precisely cut threads engage smoothly to help prevent binding or cross-threading.\u003c\/li\u003e\r\n \u003cli\u003e**Maintain Optical Alignment:** Tight tolerances help keep the optical train square and repeatable when adding or removing ringsideal for critical spacing on reducers\/flatteners and camera adapters.\u003c\/li\u003e\r\n \u003cli\u003e**QCd \u0026amp; Ready for the Field:** Each set is test-assembled and visually inspected for fit and finish before packing, so you can focus on capturing sharp, high-contrast images.\u003c\/li\u003e\r\n \u003c\/ul\u003e"}

M48 2-Inch Extension Tube Kit — 5/7/15/20/30mm Rings — M48×0.75 Male & Female Threads — for DSLR/SLR Backfocus, Flatteners & Eyepieces — 5-Ring Set

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M48 2-Inch Extension Tube Kit — 5/7/15/20/30mm Rings — M48×0.75 Male & Female Threads — for DSLR/SLR Backfocus, Flatteners & Eyepieces — 5-Ring Set

Key Product Features Dial In Precise Backfocus: Five rings (5/7/15/20/30 mm) stack in any combination to solve spacing for astrophotography and eyepiece projection—achieve fine adjustment from 5 mm up to 77 mm total. True 2" Interface (M48×0.75): Double-threaded male & female M48 on every ring for easy stacking and broad compatibility with 2" accessories that use the 48 mm filter thread (flatteners, reducers, filter holders, OAGs). Note: M48 (2" filter thread), not M42/T-2. All-Metal, Anodized Build: Durable aluminum construction with a hard, matte anodized finish resists wear and reflections; precisely cut threads engage smoothly to help prevent binding or cross-threading. Maintain Optical Alignment: Tight tolerances help keep the optical train square and repeatable when adding or removing rings—ideal for critical spacing on reducers/flatteners and camera adapters. QC’d & Ready for the Field: Each set is test-assembled and visually inspected for fit and finish before packing, so you can focus on capturing sharp, high- contrast images. --- What’s in the Box Five M48 Extension Rings: 5 mm, 7 mm, 15 mm, 20 mm, 30 mm Thread Spec: M48×0.75 male on one side, M48×0.75 female on the other (double-threaded) Compatibility: Works with 2" accessories that use the M48 (48 mm) filter thread

Product Features

  • **Dial In Precise Backfocus:** Five rings (5/7/15/20/30 mm) stack in any combination to solve spacing for astrophotography and eyepiece projectionachieve fine adjustment from 5 mm up to 77 mm total.
  • **True 2" Interface (M480.75):** Double-threaded male & female M48 on every ring for easy stacking and broad compatibility with 2" accessories that use the 48 mm filter thread (flatteners, reducers, filter holders, OAGs). *Note: M48 (2" filter thread), not M42/T-2.*
  • **All-Metal, Anodized Build:** Durable aluminum construction with a hard, matte anodized finish resists wear and reflections; precisely cut threads engage smoothly to help prevent binding or cross-threading.
  • **Maintain Optical Alignment:** Tight tolerances help keep the optical train square and repeatable when adding or removing ringsideal for critical spacing on reducers/flatteners and camera adapters.
  • **QCd & Ready for the Field:** Each set is test-assembled and visually inspected for fit and finish before packing, so you can focus on capturing sharp, high-contrast images.