Αποτελέσματα αναζήτησης για: «Focal length reducer»

The Takahashi 645 Reducer 0.7X reduces the focal length of the FSQ-130ED telescopes by 0.7X, increasing the speed of the...

Coma corrector for Newton telescopes that neither reduces the focal length nor the image field of your telescope...

The Takahashi 645 Reducer-CA 0.72X reduces the focal length of the CCA-250 telescope by 0.72X, increasing the speed of t...

ZWO has released a brand-new FF65APO 0.75× full frame reducer with a four-element optical design. It has a reduction fac...

ZWO has also released a new 3-inch FF80APO 0.76X full frame reducer with a three-element optical design, including one e...