Tele Vue 1mm & 2mm Spacer Ring Set
Focuser extensions of various lengths are often used to create the necessary distance for proper spacing of field lenses to imager; the required distance will vary depending on camera specifications. All are black anodized aluminum with anti-reflection threads for maximum contrast.
Set of 2 Accessory Tubes is a convenient set of the 1mm & 2mm spacers described above. This allows great versatility in achieving the necessary distance for proper spacing of field lenses to image plane.
Televue Product Number: TLS-1121