Adjustment Collar

Knurled focus adjustment collar with a side lock-screw bore.

Variants: 10 types
Diameter: 8–20 mm
Length: 6–11 mm
Material: Aluminium
Tolerance: H8

Dimension SchematicOPTA-ADC-15 — representative variant of this family

Code & Size Table

Code, dimensions and tolerance for all 10 variants.

Code	Diameter (mm)	Length (mm)	Feature	Tolerance	Std
OPTA-ADC-08	8	6	knurl · ⌀5	H8 · ⌀5: +0.018/0	side M3 locking screw
OPTA-ADC-10	10	7	knurl · ⌀6	H8 · ⌀6: +0.018/0	side M3 locking screw
OPTA-ADC-11	11	7	knurl · ⌀7	H8 · ⌀7: +0.022/0	side M3 locking screw
OPTA-ADC-12	12	8	knurl · ⌀8	H8 · ⌀8: +0.022/0	side M4 locking screw
OPTA-ADC-13	13	8	knurl · ⌀9	H8 · ⌀9: +0.022/0	side M4 locking screw
OPTA-ADC-15	15	9	knurl · ⌀11	H8 · ⌀11: +0.027/0	side M4 locking screw
OPTA-ADC-14F	16	10	knurl · ⌀10 · 2 steps	H8 · ⌀10: +0.022/0	flanged, side M4 locking screw
OPTA-ADC-16	16	9	knurl · ⌀12	H8 · ⌀12: +0.027/0	side M5 locking screw
OPTA-ADC-18	18	10	knurl · ⌀14	H8 · ⌀14: +0.027/0	side M5 locking screw
OPTA-ADC-20	20	11	knurl · ⌀16	H8 · ⌀16: +0.027/0	side M5 locking screw

Material & Tolerance

The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. Deviations (mm) are given for the nominal diameter according to the ISO 286-2 tables; thread tolerances (6g/6H) are to ISO 965. For custom sizes/tolerances, contact us with the part code.

Steel
Stainless Steel
Brass
Aluminium (standard)

General Notes

This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.
This data sheet carries no prices; contact us with the part code for pricing and a quote.

The CAD model (STEP) and 2D drawing (DXF) are downloaded from the family page: ayyildizrobotics.com/en/arac/sw20-parca-katalogu/optik/optik-focus-adjust-collar#OPTA-ADC-15

Contact: Phone +90 505 577 02 45 · E-mail info@ayyildizrobotics.com · Web ayyildizrobotics.com