YKSE

Eye relief: nominal vs actual

By YKSE, January 17, 2018 in Discussions - Eyepieces

• eye relief
• er
• (and 2 more)

  Tagged with:

  • eye relief
  • er
  • nominal er
  • actual er

Prism diagonal & relative fast refractors

By YKSE, December 22, 2017 in Discussions - Eyepieces

• cff telescopes
• prism diagonal

Nikon 13x-30x (21mm-9mm)zoom adaptation

By YKSE, September 3, 2017 in Member Equipment Reviews

• 1.25

Barlowing Leica ASPH Zoom 1 2

By YKSE, August 22, 2014 in Member Equipment Reviews

• vip barlow
• new apm adapter
• (and 1 more)

  Tagged with:

  • vip barlow
  • new apm adapter
  • leica asph zoom

Bill Paolini's review of some Masuyamas

By YKSE, November 26, 2017 in Discussions - Eyepieces

• masuyamas
• es 24mm
• (and 1 more)

  Tagged with:

  • masuyamas
  • es 24mm
  • billp

Summary of dimensions of 2" to 1.25" self centering adaptor

By YKSE, April 21, 2017 in Discussions - Eyepieces

• 2 to 1.25 reducers
• clicklock

finally, a DSO night for a long long time

By YKSE, April 19, 2017 in Observing - Deep Sky

Super wide binoculars

By YKSE, April 3, 2017 in Discussions - Binoculars

Arp 229 and some more

By YKSE, January 5, 2017 in Observing - Deep Sky

Late Christmas present

By YKSE, January 4, 2017 in Observing - Deep Sky

SW synscan FIRMWARE V3.39.03, V4.39.03

By YKSE, December 9, 2016 in Discussions - Mounts

Bright comets in Christmas time

By YKSE, December 7, 2016 in Observing - Widefield, Special Events and Comets

Centuries of DSO

By YKSE, December 5, 2016 in Observing - Deep Sky

• galaxy dso
• herschel 400

Wild whale galaxies

By YKSE, November 29, 2016 in Observing - Deep Sky

APM violet day sale

By YKSE, November 28, 2016 in Discussions - Scopes / Whole setups

Some Winter galaxies

By YKSE, November 24, 2016 in Observing - Deep Sky

Measuring FS and AFOV of some EPs

By YKSE, October 25, 2016 in Member Equipment Reviews

• mv
• bco
• (and 5 more)

  Tagged with:

  • mv
  • bco
  • sw aero
  • 50mm superview
  • takahashi ortho
  • leica zoom
  • baader zoom

Good finish of a great week

By YKSE, October 8, 2016 in Observing - Deep Sky

triple trips

By YKSE, October 7, 2016 in Observing - Deep Sky

A wet trip

By YKSE, September 12, 2016 in Observing - Deep Sky

TS flattener -- good for visual?

By YKSE, September 20, 2016 in Discussions - Scopes / Whole setups

Great solar 10/9-16

By YKSE, September 10, 2016 in Observing - Solar

A few nebulae and galaxies

By YKSE, September 9, 2016 in Observing - Deep Sky

The Sun is showing off now 2014-7-24

By YKSE, July 24, 2014 in Observing - Solar

Some old Messiers in backyard

By YKSE, August 25, 2016 in Observing - Reports