Takahashi Foa 60q Review Takahashi telescope released foa 60q in japan.（高橋製作所は新作の天体望遠鏡fa 60qを日本で発売しました）※video in english with japanese and spanish subtitle. The foa 60 is a new compact apochromatic fluorite doublet refractor from takahashi. the telescope features a 60 mm aperture and a 530 mm focal length. it is also available with a 1.7x extender, which increases the focal length to 901 mm. the version with the 1.7x extender is known as the foa 60q. the spacing of the doublet elements is such that.
Takahashi Foa 60q F 15 Doublet Fluorite Ortho Apo Refractor Ota Package Expand. yes the q is for quadruplet. the og is a spaced doublet, one element of which is fluorite. this makes the foa 60 at f 8.8. then there are two further lens groups in the extender tube taking it to f 15, the foa 60 q. actually the two further lens groups are each doublets, so you could call it a sextuplet. The foa 60q is quite a bit longer than other takahashi 60s: 540mm long from the 2” visual back (the 1.25” insert adds another few cm) and with the sliding hood retracted. extending the dewshield takes it to 600mm in length. for a 60mm, it’s quite heavy too at ~2.4kg including the clamshell. A 7mm delite (62°) or tak uw (90°) are perfect with the foa 60q. you see an exit pupil just under 0.5mm. as you crank mag up and exit pupil down beyond that, you will learn at which point floaters overwhelm revealed detail. my smallest useful exit pupil is 0.4mm, and only on nights my floaters are settled. Unlike the longer and heavier foa 60q, the basic foa 60 has a short light tube that works on the lightest mount. but given the high magnifications the foa 60 can take, it benefits from a slightly beefier mount, though it does work just fine on the teegul sp and pm sp. the foa 60q meanwhile really needs a mid sized mount for use at high power.
Takahashi Foa 60q Review A 7mm delite (62°) or tak uw (90°) are perfect with the foa 60q. you see an exit pupil just under 0.5mm. as you crank mag up and exit pupil down beyond that, you will learn at which point floaters overwhelm revealed detail. my smallest useful exit pupil is 0.4mm, and only on nights my floaters are settled. Unlike the longer and heavier foa 60q, the basic foa 60 has a short light tube that works on the lightest mount. but given the high magnifications the foa 60 can take, it benefits from a slightly beefier mount, though it does work just fine on the teegul sp and pm sp. the foa 60q meanwhile really needs a mid sized mount for use at high power. Description. the takahashi foa 60q refractor was designed to provide a compact instrument capable of delivering exceptional visual performance, similar to that achieved by the toa series, a true benchmark in this field. equipped with an apochromatic fluorite lens doublet at an f d ratio of 15, the foa 60q will satisfy the most demanding amateurs. It remains very light, with a weight of only 1.5 kg, and very compact thanks to its retractable dew shield. a 1.7x extender allows the 4 lens optical formula to evolve, at f 15. this version called foa 60q is simply the best scope in the takahashi range, with its theoretical strehl ratio of 99.8%, higher than those of the toa 130 and toa 150.
Foa 60q Refractor Takahashi Europe Description. the takahashi foa 60q refractor was designed to provide a compact instrument capable of delivering exceptional visual performance, similar to that achieved by the toa series, a true benchmark in this field. equipped with an apochromatic fluorite lens doublet at an f d ratio of 15, the foa 60q will satisfy the most demanding amateurs. It remains very light, with a weight of only 1.5 kg, and very compact thanks to its retractable dew shield. a 1.7x extender allows the 4 lens optical formula to evolve, at f 15. this version called foa 60q is simply the best scope in the takahashi range, with its theoretical strehl ratio of 99.8%, higher than those of the toa 130 and toa 150.
Takahashi Foa 60q Astromart
Takahashi Foa 60q Review
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