Reference: KE399

Brand: Kepler

Extension Ring 7mm M54 - KEPLER

Extension Ring 7mm M54 - KEPLER

Reference: KE396

Brand: Kepler

Extension Ring 4mm M54 - KEPLER

M54 Adjustment Ring Adding 4mm of Backfocus.

Reference: UA-EXTM42-12

Brand: Univers Astro

Extension ring 12mm M42

Extension ring T2 (M42) with a back focus of 12mm

Reference: TSVM6840

Brand: TSOptics

Extension ring M68x1 40mm - TSOPTICS

Short extension ring with M68 threads on both sides for exact adjustment of the distance

Reference: UA-EXTM42-10

Brand: Univers Astro

Extension ring 10mm M42

Extension ring T2 (M42) with a back focus of 10mm

Reference: KE400

Brand: Kepler

Bague allonge M54 8mm - Kepler

Reference: TST2V40

Brand: TSOptics

T2 (M42) extension 40mm

Bague d'extension T2 (M42) avec un tirage optique de 40mm

Reference: KE397

Brand: Kepler

Extension Ring 5mm M54 - KEPLER

Extension Ring 5mm M54 - KEPLER

Reference: UA-EXTM48-3

Brand: ASToptics

Extension ring 3mm M48

M48 extension ring with a back focus of 3mm

Reference: PL3600285

Brand: PrimaluceLAB

Extension Ring M81 - 25 mm for ESATTO 3" - PrimaluceLAB

The M81 25mm extension tube can be directly threaded to the ESATTO 3" draw tube and allows you to fix camera and accessories further away from the ESATTO microfocuser. This M81 extension tube has 25mm thickness, it's made up of aluminum, black anodized and it has a M81 female on the camera side this way you can connect all the ESATTO 3" camera adapters.

Reference: TSVM688

Brand: TSOptics

Bague Allonge M68x1 8mm - TSOPTICS

Short extension ring with M68 threads on both sides for exact adjustment of the distance

Reference: UA-EXTM48-5

Brand: Univers Astro

M48 extension 5mm

M48 extension ring with 5mm back focus

Reference: UA-EXTM42-7

Brand: Univers Astro

Extension ring 7mm M42

Extension ring T2 (M42) with a back focus of 7mm

Reference: UA-EXTM42-5

Brand: Univers Astro

Extension ring 5mm M42

Extension ring T2 (M42) with a back focus of 5mm

Reference: UA-EXTM48-15

Brand: Univers Astro

M48 extension 15mm

M48 extension ring with a 15mm back focus

Reference: UA-EXTM42-3

Brand: ASToptics

copy of M48 extension 4mm

M48 extension ring with a back focus of 4mm