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CFFitis!

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#1 yzhzhang

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Posted 21 July 2020 - 12:33 PM

No one start this yet? I'll do it. Let's spice it up with a bit European flavor.

 

Show us your CFFs! Are we limited to refractor here (I guess so?)? They made beautiful other stuff as well.

 

IMG_20200613_183508.jpg

 

IMG_20200612_201553.jpg

 

 

 

 


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#2 macdonjh

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Posted 21 July 2020 - 12:47 PM

I have a small refractor mounted on my CFF.  Well, OK, it's a finder and you can't see it because it's on the other side.

 

cff small.jpg


Edited by macdonjh, 21 July 2020 - 12:48 PM.

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#3 fate187

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Posted 21 July 2020 - 01:00 PM

Sure can do. I thought about doing a thread on those...

IMG_8662___.jpg

IMG_8663_.jpg

 

some more perspective:

IMG_1101_.jpg

 

and under the stars during full moon

IMG_8682_.jpg

 

Initially I was buying this scope for AP, but it has given me pleasure during this years planetary season (even under non-optimal conditions for me...). This ia shot from last year:

ngc7331_all_data_Startools_.jpg

 


Edited by fate187, 21 July 2020 - 01:10 PM.

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#4 Jeff B

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Posted 21 July 2020 - 01:17 PM

Great thread!!

 

Love the MI-250 too.

 

Here's my big guy, a 160 F6.5

 

Great scope, nice and sharp and I've the DPAC results to back that claim up, taken inside of focus.

 

Jeff

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#5 StarAlert

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Posted 21 July 2020 - 05:20 PM

A better title would have been CFFluenza?


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#6 R_Huntzberry

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Posted 21 July 2020 - 09:14 PM

Here's a few pics of my 185 F/6.8

 

001.jpg

 

002.JPG

 

003.JPG


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#7 gnowellsct

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Posted 21 July 2020 - 10:12 PM

My CFF is famous!   (CFF link).  It's the photo model for all the 92s!   

 

But here it is in the wild, doing some solar...it's using a GT130 as an undermount...

 

20190425_180731-1_resized.jpg

 

But it also does service on my CATs...

 

 

Margaret-CFF-C14-rightsideup.jpg

 

 

 


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#8 gnowellsct

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Posted 21 July 2020 - 10:19 PM

And here it is working on its own...sorry if I'm a bit overzealous but it's a fantastic scope and I use it in many applications.   I was using it last night at 16x on the comet and at 184x on Jupiter.  Extremely tight view.  And it didn't bother me the way most 0.5 mm exit pupil views do, don't know why.  I did however switch to the C14 when I got tired of the floater that stretched across the two equatorial bands up the the N hemisphere.

 

CFF solar on G11 - CN size.jpg


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#9 Suavi

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Posted 22 July 2020 - 01:53 AM

A few pics of my 105

 

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#10 Suavi

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Posted 22 July 2020 - 01:56 AM

But I mainly use it for imaging - initially I motorised the FTF. Look at the size of this dedicated flattener.

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Edited by Suavi, 22 July 2020 - 02:14 AM.

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#11 Suavi

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Posted 22 July 2020 - 01:58 AM

As good as the HSM is, I found Optec LEO to be even better for precise and accurate focusing.

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#12 Kunama

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Posted 22 July 2020 - 02:32 AM

Some fine scopes in this thread bow.gif

 

I almost became a CFF owner myself, the plan was to get the 160mm F8 but then a friend offered me his APM TMB-LZOS 152mmF7.9 for a price I couldn't walk past....

 

I have managed to view through the CFF140 F7.5 alongside my TOA130NFB and found the scope giving view near identical to my TOA.


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#13 macdonjh

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Posted 22 July 2020 - 08:19 AM

Great thread!!

 

Love the MI-250 too.

 

Here's my big guy, a 160 F6.5

 

Great scope, nice and sharp and I've the DPAC results to back that claim up, taken inside of focus.

 

Jeff

post-21633-0-04423200-1595355416.jpg

 

Your dew shield was made upside down, you should get a replacement...

 

[edit] Oh, thanks for the kind words about my mount.  It's pretty new to me, I installed it in October 2019.  It was delivered in September from a CN member in Florida who had to dodge hurricane Dorian to get it shipped to me.  That was an interesting week.  It handles my Cassegrain better than my G11 did, and my G11 makes a good travel mount (if I ever go to another star party, my it's been a long time).


Edited by macdonjh, 22 July 2020 - 08:27 AM.

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#14 macdonjh

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Posted 22 July 2020 - 08:22 AM

Some fine scopes in this thread bow.gif

 

I almost became a CFF owner myself, the plan was to get the 160mm F8 but then a friend offered me his APM TMB-LZOS 152mmF7.9 for a price I couldn't walk past....

 

I have managed to view through the CFF140 F7.5 alongside my TOA130NFB and found the scope giving view near identical to my TOA.

I can see you have second thoughts about your TMB152 purchase, but my offer to buy that scope from you still stands.  I'll even up my offer to US$1750 even though you did admit to touching the lens.  I'll take the chance you didn't actually ruin it, though I have heartburn even thinking about it.  I'll still fly to you for pick-up.


Edited by macdonjh, 22 July 2020 - 12:28 PM.

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#15 Jeff B

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Posted 22 July 2020 - 08:25 AM

One nice aspect of my CFF160 F6.5 sample is that it is directly "bino-friendly" with a typical 2" diagonal and most of my viewers.  Only my Zeiss Sharpest APO viewer from Denis Levatic and my Denk Binotron require the use of my Baader BBHS silver diagonal with its shorter light path.  However, I almost never use those viewers for low power viewing, only high powers (especially with the "APO" ) along with the Baader 1.7X GPC, which gives me that extra amount of back focus for use with my AP diagonal.   In fact, the "APO" viewer with the 1.7X GPC is a particularly effective high power configuration for this sample scope.  

 

And, I'll tell you what, the low power views with the CFF, Zeiss 30mm from Denis and a pair of APM 24mm UFF's are just spectacular.

 

Jeff 


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#16 buckeyestargazer

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Posted 22 July 2020 - 08:40 AM

Here's my CFF135 f6.7 and CFF105 f6.  

Catalin announced yesterday a 200mm f6.5!

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  • CFF135_CFF105.jpg

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#17 fate187

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Posted 22 July 2020 - 10:37 AM

An official announcement? Information is on their site for some time. I think two users here have ordered the 200 in f/6.5 flavour waytogo.gif



#18 buckeyestargazer

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Posted 22 July 2020 - 10:39 AM

An official announcement? Information is on their site for some time. I think two users here have ordered the 200 in f/6.5 flavour waytogo.gif

It was on the facebook page.  Nearing completion for one lucky customer.  I should have said "announced the first one is nearly ready."


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#19 gnowellsct

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Posted 22 July 2020 - 11:55 AM

I keep getting this urge to get the 135 mm.  I would have to sell the GT130.  Threads like this are just crazy.  



#20 yzhzhang

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Posted 22 July 2020 - 01:10 PM

As good as the HSM is, I found Optec LEO to be even better for precise and accurate focusing.

Wow nice curve!

 

I am using HSM30 for my CFF92 2.5" focuser with the QSI683WSG8, and I am feeling that HSM cannot keep up with the whole image train. Do you replace the FT focuser with OPTEC LEO or is it connected after the FT?



#21 bobhen

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Posted 22 July 2020 - 02:24 PM

Wonderful looking refractors. I never had the opportunity to see one in person but I'm enjoying the images.

 

Bob



#22 Suavi

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Posted 22 July 2020 - 03:17 PM

Wow nice curve!

 

I am using HSM30 for my CFF92 2.5" focuser with the QSI683WSG8, and I am feeling that HSM cannot keep up with the whole image train. Do you replace the FT focuser with OPTEC LEO or is it connected after the FT?

LEO could be attached to the FTF, but I unscrewed the FTF and attached LEO + an extension tube in its place. A 2 minute job. I keep the FTF for summertime for visual, when it's generally too cloudy and too humid to image.

 

Perhaps another alternative to HSM is POSI drive.

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Edited by Suavi, 22 July 2020 - 04:06 PM.

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#23 Suavi

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Posted 22 July 2020 - 03:18 PM

And with imaging rig attached.

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#24 drprovi57

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Posted 22 July 2020 - 07:55 PM

It was on the facebook page.  Nearing completion for one lucky customer.  I should have said "announced the first one is nearly ready."

 

An official announcement? Information is on their site for some time. I think two users here have ordered the 200 in f/6.5 flavour waytogo.gif

Looks like I am the lucky customer - serial number 001 for the 200mm F/6.5 scope.  Expecting delivery in August - Catalin is fine tuning the optics and performing star testing.  Will send pictures when it shows up in Virginia.

 

Jason


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#25 gnowellsct

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Posted 22 July 2020 - 11:32 PM

I have a small refractor mounted on my CFF.  Well, OK, it's a finder and you can't see it because it's on the other side.

 

 

Macdonjh is that an MI250 mount?  You must have had it a long time....




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