Gerd Neumann jr. Spacer Set T2 — 2 mm, 1 mm and 0.5 mm Field flatteners, reducers and coma correctors give their best image only at the exact lens-to-sensor distance they were designed for. This set of three thin T2 spacer rings (article 10310231) from Gerd Neumann jr. lets you fine-tune that distance in small, repeatable steps.
Manufacturer model: Gerd Neumann jr. Spacer T2 (2mm, 1mm, 0.5mm), 10310231 · Specifications checked against manufacturer data on 2026-11-03
Gerd Neumann jr. Spacer Set T2 — 2 mm, 1 mm and 0.5 mm
Field flatteners, reducers and coma correctors give their best image only at the exact lens-to-sensor distance they were designed for. This set of three thin T2 spacer rings (article 10310231) from Gerd Neumann jr. lets you fine-tune that distance in small, repeatable steps.
Fine spacing in 0.5 mm steps
The set contains three rings, 2 mm, 1 mm and 0.5 mm thick. Placed over a standard T-thread, singly or combined, they lengthen the optical path in 0.5 mm steps up to 3.5 mm in total.
Matching sets
Gerd Neumann jr. makes the same three-ring set for M48 and M68 threads. Gerd Neumann jr. adapters are designed and produced in Germany and, unless stated otherwise, made from black-anodised aluminium.
Specifications
Manufacturer article number
10310231
Thread
T2 / T-thread
Ring thicknesses
2 mm, 1 mm, 0.5 mm
Adjustment steps
0.5 mm
Maximum total spacing
3.5 mm
Material
Black-anodised aluminium (Gerd Neumann jr. adapter standard)
Gerd Neumann jr. Spacer Set T2 — 2 mm, 1 mm and 0.5 mm Field flatteners, reducers and coma correctors give their best image only at the exact lens-to-sensor distance they were designed for. This set of three thin T2 spacer rings (article 10310231) from Gerd Neumann jr. lets you fine-tune that distance in small, repeatable steps.
Manufacturer model: Gerd Neumann jr. Spacer T2 (2mm, 1mm, 0.5mm), 10310231 · Specifications checked against manufacturer data on 2026-11-03
