Eyepieces

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The Pretoria 28mm

Last post by Piet Le Roux « Tue Mar 23, 2021 4:36 am
Replies: 6
by Piet Le Roux » Mon Mar 22, 2021 8:45 am

First post

This eyepiece was designed by two South Africans, in Pretoria, in the mid 80's because fast paraboloids with Dobsonian mounts were becoming popuar...

Last post

Yes its sad...but the thing is that I am passing 60 this year and I don't know for how long I can still handle the 27Kg mirror box....I would have...

6 Replies

1998 Views

Last post by Piet Le Roux
Tue Mar 23, 2021 4:36 am
TV Delites

Last post by starfield « Sun Feb 14, 2021 12:45 am
Replies: 18
by John Fitzgerald » Tue Feb 09, 2021 2:17 am

First post

To those who have one or more, what do you think of the Delites vs other eyepieces?

I have recently acquired a 5mm Delite, and plan to do a...

Last post

I have one 7mm that I use with my Dob. Really like it. Really sharp and comfortable to look thru The wider field is handy on a Dob if you don't have...

18 Replies

3147 Views

Last post by starfield
Sun Feb 14, 2021 12:45 am
Interesting read, reviews and comments about budget eyepieces

Last post by Lady Fraktor « Mon Feb 08, 2021 8:53 pm
Replies: 8
by OzEclipse » Sun Feb 07, 2021 8:14 pm

First post

There are a couple of interesting threads, reviews and comments about eyepieces on Ice in Space, an Australian forum. Some of the comments are coming...

Last post

The Edmunds 28mm RKE is an enjoyable eyepiece but at short focal lengths such as f/5 or f/6 you will see some abberations along the edge, the center...

8 Replies

2769 Views

Last post by Lady Fraktor
Mon Feb 08, 2021 8:53 pm
A Very Much Rebranded Eyepiece

Last post by MistrBadgr « Sun Feb 07, 2021 9:32 pm
Replies: 7
by Refractordude » Sun Feb 07, 2021 1:32 am

First post

Has anyone tried these eyepieces? Donald Pensack rated the APM UFF 30mm as a great stand out eyepiece. Are the others just as good as the APM UFF...

Last post

From what Don Pensack said, I can understand why different companies would jump on this band wagon. I can concur with @Bigzmey about purchasing the...

7 Replies

2969 Views

Last post by MistrBadgr
Sun Feb 07, 2021 9:32 pm
Using the Baader Micro-Guide Reticle

Last post by mikemarotta « Thu Feb 04, 2021 4:31 am
Replies: 2
by mikemarotta » Thu Jan 21, 2021 1:46 pm

First post

Product Review: Baader-Planetarium Micro-Guide Reticle

This eyepiece can serve any amateur astronomer who wants to make their own measurements of...

Last post

I went out on 02 February to try again, this time with the Explore Scientific 102mm and the National Geographic 70mm. I was less than sanguine about...

2 Replies

1200 Views

Last post by mikemarotta
Thu Feb 04, 2021 4:31 am
Meade 56mm Plossl Review

Last post by MistrBadgr « Sun Jan 31, 2021 10:01 pm
Replies: 8
by Refractordude » Sun Jan 10, 2021 5:17 am

First post

This Meade is an A Team eyepiece. Using a 150mm f/8 refractor views are sharp very close to the edge. There are no blackout/kidney beaning issues....

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I do not know about the two inch eyepieces, buy the Plossels coming from Sunny have end caps, but not the plastic cases. They just come in a plain...

8 Replies

2861 Views

Last post by MistrBadgr
Sun Jan 31, 2021 10:01 pm
Explore scientific 12mm 92 degree.

Last post by NGC 1365 « Fri Jan 22, 2021 12:52 am
Replies: 5
by NGC 1365 » Thu Jan 21, 2021 8:54 am

First post

My viewing preferences have changed recently to long eye relief eyepieces. I've been using 82 and 100 degree eyepieces in my 18 inch scope for over a...

Last post

Thanks for the write-up Ivan. I have been considering the ES 92 17mm for a while but haven't pulled the trigger yet. I do like my Ethos 13mm and it...

5 Replies

1745 Views

Last post by NGC 1365
Fri Jan 22, 2021 12:52 am
AgenaAstro 8mm-24mm Zoom Eyepiece Review

Last post by Michael131313 « Wed Jan 13, 2021 6:06 pm
Replies: 4
by Refractordude » Tue Jan 12, 2021 3:27 am

First post

Felt my Meade LX70 120mm f/8 refractor wanted some attention. So I used it for the test comparisons. Tested it against the GSO 25mm
plossl and...

Last post

Thanks much for the info.

4 Replies

2143 Views

Last post by Michael131313
Wed Jan 13, 2021 6:06 pm
New to Forum:

Last post by Frank « Thu Jan 07, 2021 8:01 pm

by Frank » Thu Jan 07, 2021 8:01 pm

:sprefac: hello all. New here. Doing research on my first real telescope. Nothing fancy but awesome overall; a 6 Newt Skywatcher Classic 150P. Been...

0 Replies

913 Views

Last post by Frank
Thu Jan 07, 2021 8:01 pm
Vixen HRs in stock again

Last post by Nakedgun « Thu Jan 07, 2021 3:59 am
Replies: 2
by Nakedgun » Thu Dec 10, 2020 4:38 am

First post

Discounted, even:

Last post

Discounted, even:

Until year's end they were $229.00.

2 Replies

1446 Views

Last post by Nakedgun
Thu Jan 07, 2021 3:59 am
Searching for a Reticle

Last post by turboscrew « Mon Jan 04, 2021 4:47 pm
Replies: 10
by mikemarotta » Wed Dec 30, 2020 5:07 pm

First post

I understand that as of now (December 2020), no one is making these. Baader used to make them for Celestron up to 2019, but Baader themselves...

Last post

Not really knowing...
Is this of any help?

10 Replies

3047 Views

Last post by turboscrew
Mon Jan 04, 2021 4:47 pm
Filter Advice

Last post by messier 111 « Wed Dec 09, 2020 12:20 am
Replies: 5
by Glenbo58 » Sun Dec 06, 2020 1:17 am

First post

Well I have my New Lunt Engineering 102 ED, with an AVX mount. I've had it for 6 weeks but cold weather & cloudy condtions have not allowed me to use...

Last post

i also found this to be interesting .

5 Replies

1812 Views

Last post by messier 111
Wed Dec 09, 2020 12:20 am
Attaching A 1.25" Nose Piece To A 2" eyepiece Question

Last post by notFritzArgelander « Mon Dec 07, 2020 6:12 pm
Replies: 4
by Refractordude » Sat Dec 05, 2020 3:07 am

First post

What percentage of the field of view is lost when attaching a 1.25 inch nose piece to a 2 eyepiece.

Last post

It depends on the size of the field stop of the 2 eyepiece. I estimate that the Baader Hyperion 36mm aspheric has a 43.1mm field stop. Assuming that...

4 Replies

1620 Views

Last post by notFritzArgelander
Mon Dec 07, 2020 6:12 pm
Meade Pulls A Fast One Again

Last post by Bigzmey « Mon Dec 07, 2020 5:41 pm
Replies: 4
by Refractordude » Sat Dec 05, 2020 3:23 am

First post

First I noticed Meade copied the Svbony aspherics 4mm, 10mm, and 23mm. Now it looks like they are copying the APM Ultra Flat Field eyepieces. What do...

Last post

It looks like most of Meade EP offerings are either discontinued or out of stock. It could be that they are experiencing supply issues and are forced...

4 Replies

2100 Views

Last post by Bigzmey
Mon Dec 07, 2020 5:41 pm
Are all new orthos Masuyama made?

Last post by Lady Fraktor « Sun Dec 06, 2020 5:03 am
Replies: 1
by Jones » Sun Dec 06, 2020 2:04 am

First post

20201205_184522.jpg

I have Hutech and Takahashi abbes that are just outstanding. Only exceeded by Tak TOE lenses, but only by a little bit. With...

Last post

There has been speculation if they are being made by the grandson of Dr. Masuyama-San but no conclusive proof.
Whoever it is, they are doing a fine...

1 Replies

1108 Views

Last post by Lady Fraktor
Sun Dec 06, 2020 5:03 am
The Royal mall, Amazon & excitement

Last post by helicon « Fri Dec 04, 2020 4:03 pm
Replies: 9
by Greenman » Wed Dec 02, 2020 1:26 am

First post

Nearly 3 weeks back I ordered an 8 to 24mm zoom Celestron eyepiece. It was due to arrive the next Monday. Sure enough at 04:30, it left the local...

Last post

My wife was not very sensitive to my astronomical inklings. I did manage to build a 6 rich field Dob when my kids were 4 and 6 (they helped out) but...

9 Replies

2395 Views

Last post by helicon
Fri Dec 04, 2020 4:03 pm
Vary Your Barlows Power

Last post by Lady Fraktor « Thu Nov 26, 2020 5:10 am
Replies: 12
by Jones » Wed Nov 18, 2020 6:12 pm

First post

20201118_094303.jpg

I was looking for a 1.8x barlow but there are none. So started at a lower power with the 1.25 Nikon 1.6x barlow. Using spacer...

Last post

Here is another way to figure it out as well with an example if others want to figure it out.

Here is the formula to solve: 1+(D/FL)=M

To get...

12 Replies

3105 Views

Last post by Lady Fraktor
Thu Nov 26, 2020 5:10 am
To zoom or not?

Last post by Lady Fraktor « Wed Nov 25, 2020 3:26 am
Replies: 16
by Greenman » Mon Nov 16, 2020 10:50 pm

First post

Well it’s a moot point for me, in a way as I have just gone, and ordered a zoom.

Why, well mostly because the zoom I choose has a T-Adapter and to...

Last post

The one zoom that is in regular use is the Antares 5mm-8mm variable as the FOV stays fairly fixed for all focal lengths.
The TeleVue 2mm-4mm and...

16 Replies

3527 Views

Last post by Lady Fraktor
Wed Nov 25, 2020 3:26 am
Celestron Has Some New Eyepieces

Last post by Don Alvarez « Mon Nov 23, 2020 10:13 pm
Replies: 3
by Refractordude » Sun Jul 26, 2020 8:00 pm

First post

What do you think about these eyepieces?

Last post

Had a set of these, ended up selling them. They've a nice heavy well built feel to them, and the image quality was pretty good as I remember in my...

3 Replies

2114 Views

Last post by Don Alvarez
Mon Nov 23, 2020 10:13 pm
What Causes Edge Of Field Brightness In Eyepieces?

Last post by Lady Fraktor « Wed Nov 18, 2020 5:07 pm
Replies: 6
by Refractordude » Tue Nov 17, 2020 2:58 pm

First post

Thanks to you all.

Last post

Yes the image you have seen is the one Bill took

6 Replies

1842 Views

Last post by Lady Fraktor
Wed Nov 18, 2020 5:07 pm
New scope & saved eyepieces from previous scope.

Last post by Bigzmey « Wed Nov 18, 2020 5:16 am
Replies: 6
by Glenbo58 » Sat Nov 14, 2020 1:52 am

First post

Just purchased a Lunt Engineering 102 ED refractor along with a lightly used AVX goto mount. My Lunt is similar to a TS Optics 102ed or a Starview...

Last post

I have heard the same thing about the Vixen SLV eyepieces, after much research. I got a great deal on a lightly used 5mm. SLV. I already have a GSO...

6 Replies

1995 Views

Last post by Bigzmey
Wed Nov 18, 2020 5:16 am
What Do You Think About This?

Last post by Bigzmey « Thu Nov 12, 2020 9:34 pm
Replies: 2
by Refractordude » Thu Nov 12, 2020 1:46 am

First post

Right click the image. It will take about three minutes to read. Thanks to you all.

Last post

Anyone who is serious about observing should have a set of good quality low count glass, whether orthos, plossls or microscope EPs. As OP indicated...

2 Replies

1294 Views

Last post by Bigzmey
Thu Nov 12, 2020 9:34 pm
6mm Antares series 4 W70 vs. Delos mm

Last post by Lady Fraktor « Thu Nov 12, 2020 5:29 am
Replies: 6
by Jones » Wed Nov 11, 2020 3:03 am

First post

20201110_193059.jpg

On Jupiter with my 10 f/4.6 with a 1/10 wave mirror, slightly better than average. Planet details are nearly the same. Swapping...

Last post

I had my last testing/ track days October 27/ 28.
At the end of the last day I was caught up in a collision of two other motocycles and I should have...

6 Replies

2008 Views

Last post by Lady Fraktor
Thu Nov 12, 2020 5:29 am
My New 42mm Eyepiece Is On The Way To Me

Last post by Refractordude « Tue Nov 10, 2020 6:51 am
Replies: 9
by Refractordude » Sat Nov 07, 2020 1:15 am

First post

Currently my widest field eyepiece is the GSO Superview 30MM, which I really like. This GSO Superview 42mm will give me a brighter, and wider view....

Last post

I like to keep my eyepieces close to the same weight. I use a 2 barlow with my 1.25 eyepieces to maintain the same weight. It really is a pain to...

9 Replies

2817 Views

Last post by Refractordude
Tue Nov 10, 2020 6:51 am
Some discussion of Masuuyama and clone eyepieces

Last post by Lady Fraktor « Thu Nov 05, 2020 6:58 am
Replies: 21
by notFritzArgelander » Fri Oct 30, 2020 3:40 am
1

2
First post

I think Synta describe these sometimes as 'five element Plossls', which is a bit weird. I was using the 7mm (in a Vixen 2x Barlow) to view Mars...

Last post

What has intrigued me with the original Masuyama, why they made the 30mm and 35mm in a 36.4mm (1.433 ) version?
21 Replies

5800 Views

Last post by Lady Fraktor
Thu Nov 05, 2020 6:58 am

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