AST Core 50mm M72 Extension Tube | AST-EXT-M72-50

AST Core 50mm M72 Extension Tube | AST-EXT-M72-50AST Core 50mm M72 Extension Tube This 50mm M72 Extension Tube is designed to provide the perfect balance between ease of use and enhanced optical performance. By adding 50mm of extra focal length to your optical path, it allows for finer focusing adjustments, ensuring sharper, more precise images. You can also easily combine it with other M72 extension tubes or spacer rings to achieve the perfect focus for any setup. Whether you're an

Belt Drives

Model G (Green) R (Red) I (Near-Infrared) Z (Deep-Infrared) Transmission Range 400nm-550nm 555-705nm 688-850nm > 812nm Peak Transmission 95% 98% 98% 98% Blocking ≥OD5 @ 300-1100nm ≥OD5 @ 300-1100nm ≥OD5 @ 300-1100nm ≥OD5 @ 300-1100nm Filter Thickness 3mm+/-0

or pick your way over telescope cables and other obstacles without affecting your night vision

Removable and adjustable belt

Easy-to-use Design

1 mm) Compatible Brands Baader Planetarium

thread the T-ring & camera onto the T-Adapter

quick release clutch

a package of rocks that are properly sized for this tumbler

the 55mm Plössl by itself requires more drawtube out travel than most eyepieces and the 67mm attachment moves the focus out by another 1” (25mm) from nominal

25 f/10 Secondary with Metric Collimation Screw Threads and “Trifid” Fastar Housing - Black Plastic (C9

as opposed to this but the image colour remains broadly balanced