Hi Don I have been asking myself many similar questions, as I want to purchase the heavier TMB92 (9lbs). If I were to purchase the astrotrac, plus the larger ...
It's neen quite slow in this group so here is something to (hopefully) generate traffic. I just bought a used TV76 scope and am planning to use it with my...
Hey Don and Leigh, Don, I've used the following Oly OM Zuikos on the 450DM: 35mm f/2.8, 50mm f/1.8, 50mm f/1.4 (a superb lens for the $$$), 100mm f/2.8, 135mm...
On 11/17/2009 02:53 PM, strewth78 wrote: [...] ... I have the 28/1.8 but confess I've been mostly doing stuff with my Borg 45ED (256mm f/l). I have not had a...
On 11/19/2009 03:41 AM, Leigh Gold wrote: [...] Dude, you are killing my eyes with those HTML colors for the font. I've toggled it off for your messages, but...
Hi Don The Olympus Zuikos are OM fitting. You can get adapters from Ebay to fit Zuikos to Canon Dslrs. This side of the pond, you can get them for about £10...
Perry - Follow on question? Are the Zuiko's Olympus OM lenses? What adapter does one use for a Canon body? I have an M42 or some such thing. Is that it? Don ...
Perry - How are the wide angle Zuikos for distortion? Both Canon and Nikon lenses, whether zoom or prime, have lousy distortion stats at wide angles. For...
Hi Perry, I had the opportunity to meet Richard at his works yesterday and, I raised the issue of lens preference during our discussion. He praised the Canon...
Hey "78", I like the manual focus Oly Zuiko 35mm, f/2.8. Don't have the 28mm, which comes in f/2.8 and f/3.5. It should be a good WA lens, based on the...
Hey Leigh, Note that my image was taken with a double fog 3 filter on the Zuiko. That filter has sort of a frosted or matte appearance when you look at it....
Hi all, Just to add my $0.02 worth to this conversation. I have a quite a bit of experience with Canon lenses, mostly for daylight use but also some astro use....
It is really hard to say. I've found that you can't buy any lens for AP on name alone. You practically have to use them first, or know people who have used...
I currently only own the 50mm f1.8 lens (the cheapo!) and I would like to get a wider lens before I move up to the telephoto lenses (just so I can master the...
Hi In his book, Michael Covington states 'Because DSLRs do not suffer reciprocity failure, deep-sky photography is no longer a struggle to get enough light...
Hey Leigh, As you requested, just uploaded a recent image, "Cygnus WAr", to my "AstroTrac on a Voyager" album in the photos section. Taken with 35mm Zuiko, so...
Hi, I've a range of Zuikos, including the 50mm and 135mm, and I agree that the 50mm is a gem, on the AT or for daylight use. Regarding the comparitive ability...
Hey to all, I have both lenses. The Canon 200mm 2.8L at f/4 is far better glass than the Oly Zuiko 200 mm f/4 at f/4 or probably even at a stop down at f/5.6 ...
I agree – I also use it wide open, or sometimes F3.2. Any more than that and you get diffraction spikes on the stars anyway (which you may or may not ...
I use my EF200L wide open and do not see any reasons for stopping it down to f4. It is a very good lens. Only in combination with an UHC Filter, stopping down...
... If you can find me a Zuiko for £30 - 40 let me know.. ;) Try an old M" lens... The Takumars are superb http://m42.artlimited.net/site_lenses.php Cheers ...
Good question as I would think a lot of people would like to know the answer. I use the Canon 200mm f/2.8 lens with great results and if I found out that a...
Many members use the Canon 200mm USM f2.8L lens, often stopped down to f4 to avoid image compromise. Therefore have group members any thoughts on whether the...
Hey to all, I'm the proud owner of Charlie's first prototype of the "2PS" ("dual power supply"), which can provide power to the AT and to the Canon 450DM,...
I have been using the power supply I built for my camera for quite some time with no problems,,I over did the Heat Sink and size of box for the supply on...
Hey Simon, Recheck your last statement just before the questions. On my refractor with a mirror diagonal and EP: up is up, down is down left is right, and...
There are several possibilities for mounting imaging setups on the AT. 1. Ball heads (I like the M490RC4 Maxi better than the M410 geared) 2. Geared heads ...
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