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Parts ranked by barrel size

2 in

Celestron Omni 56mm Plossl specifications has the highest barrel size in the dataset, at 2 in.

Which part has the highest barrel size?

Celestron Omni 56mm Plossl specifications, at 2 in, tops the 12 parts we hold a published barrel size for. The full ranking is below.

#	Parts	Barrel size
1	Celestron Omni 56mm Plossl specifications	2 in
2	Celestron Omni 4mm Plossl specifications	1.25 in
3	Celestron Omni 6mm Plossl specifications	1.25 in
4	Celestron Omni 9mm Plossl specifications	1.25 in
5	Celestron Omni 12mm Plossl specifications	1.25 in
6	Celestron Omni 15mm Plossl specifications	1.25 in
7	Celestron Omni 32mm Plossl specifications	1.25 in
8	Celestron Omni 40mm Plossl specifications	1.25 in
9	Celestron X-Cel LX 2.3mm specifications	1.25 in
10	Celestron X-Cel LX 9mm specifications	1.25 in
11	Celestron X-Cel LX 25mm specifications	1.25 in
12	Tele Vue 32mm Plossl specifications	1.25 in

Data as of 2026-09-05.