Blue Fireball M48x0.75 Male to M28.5x0.6 Female Thread Adapter with Zero Optical Length

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Zero Optical Length: Maintains your original focus position without altering backfocus or introducing spacing issues.
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Cross-Compatible Design: Adapts 1.25 in filters to 2 in eyepieces and accessories, expanding your setup’s versatility.
- Material: Anodized black aluminum for a sleek and durable look
Blue Fireball M48 to 1.25" Filter Adapter – Zero Optical Length Design
Description & Uses:
-
Adapts 1.25 in filters to 2 in eyepieces and accessories, expanding your setup’s versatility
-
The male M48x0.75 side screws into any 2 in accessory, such as a field flattener, filter wheel, or extension tube
-
The female M28.5x0.6 side accepts any standard 1.25 in filter, threaded all the way through
Features:
-
Crafted from aluminum, and anodized black for a sleek look
-
Maintains your original focus position with its zero optical length design
Specifications:
-
Accessory Thread: Male 2 in (M48x0.75)
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Filter Thread: Female 1.25 in (M28.5x0.6)
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Total Thickness: 4 mm (0.16 in)
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Material: Black Anodized Aluminum
Other Information
- Country of Manufacture: China
Blue Fireball M48 to 1.25" Filter Adapter – Zero Optical Length Design
Description & Uses:
-
Adapts 1.25 in filters to 2 in eyepieces and accessories, expanding your setup’s versatility
-
The male M48x0.75 side screws into any 2 in accessory, such as a field flattener, filter wheel, or extension tube
-
The female M28.5x0.6 side accepts any standard 1.25 in filter, threaded all the way through
Features:
-
Crafted from aluminum, and anodized black for a sleek look
-
Maintains your original focus position with its zero optical length design
Specifications:
-
Accessory Thread: Male 2 in (M48x0.75)
-
Filter Thread: Female 1.25 in (M28.5x0.6)
-
Total Thickness: 4 mm (0.16 in)
-
Material: Black Anodized Aluminum
-
Zero Optical Length: Maintains your original focus position without altering backfocus or introducing spacing issues.
-
Cross-Compatible Design: Adapts 1.25 in filters to 2 in eyepieces and accessories, expanding your setup’s versatility.
- Material: Anodized black aluminum for a sleek and durable look
Blue Fireball M48 to 1.25" Filter Adapter – Zero Optical Length Design
Description & Uses:
-
Adapts 1.25 in filters to 2 in eyepieces and accessories, expanding your setup’s versatility
-
The male M48x0.75 side screws into any 2 in accessory, such as a field flattener, filter wheel, or extension tube
-
The female M28.5x0.6 side accepts any standard 1.25 in filter, threaded all the way through
Features:
-
Crafted from aluminum, and anodized black for a sleek look
-
Maintains your original focus position with its zero optical length design
Specifications:
-
Accessory Thread: Male 2 in (M48x0.75)
-
Filter Thread: Female 1.25 in (M28.5x0.6)
-
Total Thickness: 4 mm (0.16 in)
-
Material: Black Anodized Aluminum
Other Information
- Country of Manufacture: China

Blue Fireball M48x0.75 Male to M28.5x0.6 Female Thread Adapter with Zero Optical Length
