TAKAHASHI ORTHO-BARLOW 2x Sesto Senso The ESATTO 2" features 50

The ESATTO 2" features 50

for example when using refractors

<1 arcsecond error over 10 minute period at sidereal velocity System natural frequency

Saxon AZ-EQ6

then every second of darkness can be used for imaging

TAKAHASHI ORTHO-BARLOW 2x Sesto Senso The ESATTO 2" features 50The Takahashi 2x Ortho Barlow is a focal extender that does not degrade image quality, unlike many traditional Barlow lenses. Like all Takahashi eyepieces and Barlows, the Ortho Barlow was developed in combination with an aberration free optical system (in this case, the true reference grade TOA series refractors) to ensure that no additional aberrations were introduced by the Barlow. In fact, by pairing the Ortho Barlow with Takahashi TPL eyepieces,