| Takahashi Refractor Optical Tubes |
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Takahashi - Sky 90 II 3.5" f/5.6 fluorite apo
| Our Product #: SKY90 | | Takahashi #: TSK9001 |
| Back-Ordered: | Temporarily out of stock; will charge and ship when available. |
| The Takahashi Sky 90 II is a fast (f/5.56) 90mm apochromatic refractor that’s built to Takahashi’s legendary optical and mechanical standards and is incredibly portable so you can take it anywhere in the world to observe . . .
[ More details . . . ]
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Takahashi - TOA-130F 5.1" Ortho-Apochromat Triplet Refractor OTA with 4" Focuser
| Our Product #: TOA131 | | Takahashi #: TSA0131 |
| Special Order: | Product is special order only; please call or e-mail for approximate delivery time. A 20% nonrefundable deposit is required when ordering. |
| This performance of this 4” focuser Takahashi 5.1” ED triplet refractor is too good to let it be called simply an apochromatic scope. Only the term ortho-apochromatic is accurate enough to describe its optical excellence, both visually and for medium format and 35mm/large format CCD imaging . . .
[ More details . . . ]
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