CurtPalme.com Home Theater Forum

**Curt Palme** · Posted: Tue Dec 01, 2009 10:08 pm Post subject: HD 10E = HFQ 900?

I just opened one of these 2002 vintage Ultras that I got in, and the HD10E lenses sure look like the Cine 9 HFQ 900 lenses. A front plastic barrel, metal housings for everything else.

Just curious, can someone confirm?

mp20748 · Posted: Tue Dec 01, 2009 10:10 pm Post subject: Re: HD 10E = HFQ 900?

**Curt Palme** · Posted: Tue Dec 01, 2009 10:17 pm Post subject:

Thanks!

CIR Engineering · Posted: Mon Apr 05, 2010 9:55 pm Post subject:

I have seen some people claim that the HD120 is also the same lens?

I am looking for a set of HFQ900 lenses or an equivalent.

craigr

mp20748 · Posted: Mon Apr 05, 2010 11:08 pm Post subject:

dvh99 · Joined: 25 Dec 2009 Posts: 2158 Location: nederland

wouldnt the hd10gt17 (hd120) be just as good as the hfq900 when using a screen width of 2.5 mtr?
both 12lp/mm

mp20748 · Posted: Mon Apr 05, 2010 11:18 pm Post subject:

**Curt Palme** · Posted: Mon Apr 05, 2010 11:41 pm Post subject:

I still find it strange that the front barrel is plastic. that really takes away from that 'expensive' lens feel. Smile

km987654 · Posted: Tue Apr 06, 2010 12:19 am Post subject:

dvh99 · Joined: 25 Dec 2009 Posts: 2158 Location: nederland

thats what i thought how else would it support such a large range of screen diagonals.
is there an extra lens inside and if not how is it done that they got such a wide range.

zGman · Joined: 22 May 2006 Posts: 599

I have always wondered about the plastic front barrel - in agreement with Curt, not the
finest feel. But when you consider the tooling costs to injection mold the GRP and then
the jigs required to precision machine it to such tight tolerances, it seems more likely that they may
have had an engineering reason rather than cost savings, since it had to cost considerably
more to make the change. And the only reason I can think of would be related to thermal stability.

A very fine lens set regardless...And, I personally tested good focus down to much less than 6 foot screen width.

I think that the HD120 is actually a HD10GT, and is not in my experience the same as a HD10GT17.
My recollection is that Terry succeeded in gently removing the Barco sticker on a HD120,
and found a US Precision Lens sticker for HD10GT. My comparison was that the HD120 was
more limited in screen sizes, although very good in its range.

G

Ile · Posted: Tue Apr 06, 2010 8:36 am Post subject: Re: HFQ900

studio · Joined: 24 Mar 2006 Posts: 191

Have a question my HFQ900 lenses have part of the front coating gone, its like someone put a piece of tape on them and when they removed the tape it lifted a piece of the coating. Is there anything that should or could be done?

Steve

Sparky015 · Posted: Wed Apr 28, 2010 8:09 pm Post subject:

HaydnG90 · Joined: 22 May 2006 Posts: 1356

Exactly you may make things worse by over spraying AR coating material. If you can't see an effect on screen leave it alone.

studio · Joined: 24 Mar 2006 Posts: 191

No, I can't see it in the picture. When the lights are in the room it catches you eye.

Nashou66 · Joined: 12 Jan 2007 Posts: 16171 Location: West Seneca NY

the only thing you can do is send them to some company that can add AR coatings like Z C & r coatings

http://zcrcoatings.com/ar-coatings/

I am not sure how much they charge but after reading their site it looked promising.

I contacted them once about the same issue on a set of HD10 GT 17's. they only waned the lens to be treated. So if you can not take the lens off i am not sure they will do it for you. And even then they had to evaluate it so it wasn't 100% sure thing.

Athanasios

Mark_A_W · Posted: Thu Apr 29, 2010 4:57 am Post subject:

Put it on the Blue tube and don't worry about it.