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01-15-2017, 12:46 AM   #1
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Pentax 100mm 1:2.8; Pentax Rear Converter 1.4AW, Macro flash

Hi, I am new to this forum so I'll introduce myself quickly; My name is Jan, I'm an Englishman living in Australia. I've been a keen photographer for well over 40yrs. My passion is with wildlife and plants, especially macro work.I have a K5 which I love, plus a DFA Macro 1:2.8 100mm WR. I am thinking of going to the K1 before too long. I want to buy the Pentax Rear converter 1.4AW plus some sort of Macro flash. The idea is that I can avoid using my tripod sometimes and go about taking some handheld macro shots. If anyone has any experience with this setup or a similar setup I would really appreciate any feed back.
Many thanks Jan

01-15-2017, 02:24 AM   #2
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QuoteOriginally posted by JanUKOZ Quote
Pentax 100mm 1:2.8; Pentax Rear Converter 1.4AW, Macro flash
Hi Jan, and welcome to the Pentax forums. I have a K-3, and use the 100 2.8 macro WR by itself, and in combination with the HD DA 1.4x rear converter. It is a great combination. I use natural light, so I cannot steer you towards which flash to get. Also, the rear converter was designed for the APS-C sensor, so I am not sure how well it performs on the FF K-1. Somebody here will know though. Good to have you aboard.


This review is great reading.
Pentax-DA 1.4x AW AF Rear Converter Review - Introduction | PentaxForums.com Reviews
01-15-2017, 02:39 AM   #3
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We wont hold it against you beening a Englishman
01-15-2017, 02:49 AM   #4
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Welcome

There are two schools of thought re: macro/ wildlife and the best camera body (i.e. K3 versus K1). I have both and am conflicted

Perhaps the K3ii is the best option for macro/ wildlife as the effective megapixels are greater, but, I do like the K1 very much. If you can get the following gear for macro, then, I would recommend the K1

1. K1 (of course)
2. DFA 100 or FA 100
3. Ringflash 080/ 140/ 160
4. Pentax T9-2X Pentax SMC close-up lens

The following shot was taken at f32 using the FA100/2.8 and above combination

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01-15-2017, 04:07 AM   #5
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The AF080C ring flash is, IIRC, a film-era TTL affair without P-TTL capability - unless of course they brought out another model after the one I own.

Exposure with my K-5 has been a hit or miss affair, because the only manual power options it offers are full and one-quarter, and a bit of guesswork is required. Also, even 1/4 is too much sometimes at minimal macro distances and I occasionally have reason to wish the camera went down to an ISO of 25 or even lower. However, this is with a DA35/2.8 Limited, which doesn't have that magic f/32. That being said, results with my *istDS are pretty good because it has the TTL hardware on board and I don't have to make distance vs. f/stop guesses all the time.

The 160 ringflash has the P-TTL protocol required to work with the newer Pentax DSLRs, and may be a better bet. Just be aware that you are adding significant bulk to your camera by (a) putting the flash control and power unit on the hotshoe and (b) hanging the ring-flash off the front of the lens (I am making my call based on the 080C; I don't own the 160). The connector cable in between can also be a little awkward sometimes. It may not be the casual walkaround affair you are hoping for.

In addition, I would not spoil my 100/2.8 WR's optical performance by putting a teleconverter behind it. I wasn't aware there was a specific Pentax lens to put on the front of it, but you learn something new every day.
01-15-2017, 05:41 AM   #6
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just want to welcome Jan and invite the OP and anyone else, of course, to look at and post to the thread about pollinators.

Since Jan is interested in macro, plants and wild life I would expect the capture of great images of insects and other animals interacting with plants.

https://www.pentaxforums.com/forums/26-mini-challenges-games-photo-stories/33...rs-action.html

in fact, with the great images you can obtain with the Pentax cameras (and others) and modern lenses, you really don't need true macro to capture images that would be welcomed.

Some images have been posted which are the result of lens that are not macro and some PP (cropping)

Please folks, take a look and join us.

(and we don't care where you are from - honest)
01-15-2017, 10:59 AM - 1 Like   #7
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QuoteOriginally posted by JanUKOZ Quote
some sort of Macro flash
Welcome to the forum, maybe you ought to consider some form of ring flash for you macro work.

QuoteOriginally posted by JanUKOZ Quote
I want to buy the Pentax Rear converter 1.4AW
Remember this is not technically a FF convertor.

QuoteOriginally posted by robert52 Quote
We wont hold it against you being a Englishman
We Scots might...
01-15-2017, 11:07 AM - 1 Like   #8
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QuoteOriginally posted by Kerrowdown Quote
Welcome to the forum, maybe you ought to consider some form of ring flash for you macro work.



Remember this is not technically a FF convertor.



We Scots might...
hey we Scots (and Irish) are generous

we share whisky with anyone with the $ to pay for it.

01-16-2017, 01:48 AM   #9
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Hello, Jan, and welcome to the forums from another Brit (still living in the cold, wet North East! ).

You're already getting great advice, so I'll simply wish you the best and look forward to your involvement here
01-16-2017, 03:23 AM   #10
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Jan, you might appreciate this

Cryptostylis leptochilus (Blue Mountains)
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01-16-2017, 08:35 AM   #11
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I shoot a K3II (previously a K5) and added a Sunpak ring flash last year. I shoot it in manual, using a 1/8 or 1/4 power pop. I have the FA100 f2.8 macro.
I settled on 1/160sec, f16, and ISO 100. Works great. It's not light, but for my handheld macro it's been stunningly good. Have a look at my Flickr account in my signature.

You'll want to find the Pentax module for the Sunpak if you go that range. It's a real strobe, not an LED. At 1/8 power it's really easy on the batteries, too.

I want to play with the 1.4X rear converter next year.

---------- Post added 01-16-17 at 09:36 AM ----------

QuoteOriginally posted by Wild Mark Quote
Welcome

There are two schools of thought re: macro/ wildlife and the best camera body (i.e. K3 versus K1). I have both and am conflicted
Cool sawfly.
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