Reference: KE384

Brand: Kepler

Extension Ring M42 4mm - KEPLER

Extension Ring M42 4mm - KEPLER

Reference: TSVF208

Brand: TSOptics

M48 extension 8mm + diamètre coulant 2"

Bague d'extension M48 avec un tirage optique de 8mm au coulant 2"

Reference: UA-EXTM42-7

Brand: Univers Astro

Extension ring 7mm M42

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

Reference: KE397

Brand: Kepler

Extension Ring 5mm M54 - KEPLER

Extension Ring 5mm M54 - KEPLER

Reference: UA-EXTM42-3

Brand: ASToptics

copy of M48 extension 4mm

M48 extension ring with a back focus of 4mm

Reference: UA-EXTM42-5

Brand: Univers Astro

Extension ring 5mm M42

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

Reference: TSVF203

Brand: TSOptics

M48 extension 3mm + diamètre coulant 2"

Bague d'extension M48 avec un tirage optique de 3mm au coulant 2"

Reference: UA-EXTM48-30

Brand: Univers Astro

Extension ring 30mm M48

Extension ring 30mm M48

Reference: KE401

Brand: Kepler

Extension ring 9mm M54 - KEPLER

M54 Adjustment Ring Adding 9mm of Backfocus.

Reference: AS-BF-ADM54M54

Brand: ASKAR - Sharpstar

M54/M48 Backfocus Adjuster - ASKAR

In daily astronomical shooting, the backfocus will have an influence. Astronomical photographers are often frustrated by the change of backfocus due to various reasons such as refraction of filters or when using some products with sensitive backfocus. To solve this problem, ASKAR launched the backfocus adjuster, (providing the adjustment range from...

Reference: TSV235

Brand: TSOptics

Coulant d'extension 2" - Tirage 35mm

Une bague parfaite pour retrouver le focus avec certains oculaires quand le PO n'a pas assez de recul.

Reference: KE400

Brand: Kepler

copy of

Reference: UA-EXTM48-15

Brand: Univers Astro

M48 extension 15mm

M48 extension ring with a 15mm back focus

Reference: KE390

Brand: Kepler

Extension Ring M48 4mm - KEPLER

An extension ring with M48 thread of 4mm back focus

Reference: UA-EXTM48-10

Brand: Univers Astro

M48 extension 10mm

M48 extension ring with a 10mm back focus

Reference: KE403

Brand: Kepler

Fine adjustment rings 0.5mm to 1mm M42

Fine adjustment shims for the backfocus between 0.5 and 1 mm