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配件
[產(chǎn)品品牌]	Televue
[產(chǎn)品型號]	Powermate 4X
[產(chǎn)品產(chǎn)地]	美國
[產(chǎn)品規(guī)格]	2英寸
[其他參數(shù)]	Televue 4X Powermate - 2" •Televue Power Mate 4X Image Amplifier PMT-4201accepts all 2" eyepieces and accessories and comes with an additional 1.25" adapter! •Incorporates a "positive" and "negative" doublet for better optical correction. •Higher magnifications are possible with high optical performance compared to "doubling up" Barlows. •Televue Power Mate 4X Image Amplifier PMT-4201delivers high performance for CCD or film! •Accepts Televue's T-Ring Adapter (PTR-4201) for close coupling to cameras and CCD imagers. •Ideal for Hydrogen-alpha filter use such as with Daystar models.