There are cost focus seekers, who aim to obtain a local cost advantage over competition and differentiation focuser, who are looking for a local difference. [3]
有些专注于成本，寻找领域内的成本竞争优势；有些强调差异化，寻找领域内的不同。
It exists in various versions, with individual or central focuser, with thick rubber armor or just a rubber skin, with - and without military reticle.
它有很多版本，包括双调和中调、薄橡胶铠装或者只是一层橡胶皮、有无分划。
This focuser offers fine and ultra-fine focusing adjustments.
这个调焦座提供优异的调焦手感以及调焦时的精准。
This focuser offers fine and ultra-fine focusing adjustments.
这个调焦座提供优异的调焦手感以及调焦时的精准。
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