Lens tech data for Minolta AF 400/4.5 HS-APO G

Image: Minolta, used by permission

General
Name	Minolta AF 400/4.5 HS-APO G
Mount type	A-mount
Release year	1995
Status	discontinued
Manufacturer's order code	2651-116
Aperture
Minimum aperture	32
Aperture blades	9, circular
Optical construction
Elements/groups	9/7
Minimum focus distance	300 cm
Maximum magnification	1:6.67 (0.15×)
Focus design	internal
Features
AF drive	in-body motor
D function	no
Lens buttons	2
Focus range limiter	mechanical, free range
Tripod mount	non-removable
Other features	clear protective front filter, distance scale, strap eyelets
Dimensions and weight
Minimum length [mm]	275.0
Maximum length [mm]	275.0
Maximum diameter [mm]	109.0
Filter diameter [mm]/type	42/rear, 95/front
Weight [g] nominal/net/gross	1920/2023/2481
Hood
Hood mount	clip-on
Hood shape	round
Hood part number	6651-810
Movements
Filter rotates when focusing	no
Length changes when focusing	no
Focus ring rotates in AF mode	yes
Construction and accessories
Color	white
Weather sealing	no
Mount material	steel
Standard accessories	front cap, rear cap, hood, case, strap
Optional accessories	rear filters, rear circular polarizer
Misc
Lens ID	15
Comments	–
Reviews & links	Michael Hohner (full review)
Related lenses	Sony Alpha 1.4× Teleconverter Minolta AF 1.4× APO (D) Minolta AF 1.4× APO Ⅱ Minolta AF 1.4× APO Sony Alpha 2× Teleconverter (no AF) Minolta AF 2× APO (D) (no AF) Minolta AF 2× APO Ⅱ (no AF) Minolta AF 2× APO (no AF)
Part of camera kit	–

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Readers' comments

#1: Comment posted by Alain on May 1st, 2013 - 08:57:53 AM:
Bonjour Je suis à la recherche de pièces détachées de cet objectif . Surtout le pare-soleil . Pouvez-vous me donner une liste de revendeur. Merci . Cordialement. Alain

Michael Hohner answers:
I've seen the hood on eBay.

#2: Comment posted by Shawn Carson on March 17th, 2014 - 12:03:12 PM:

All references are made to the Minolta 400 mmm f4.5 HS APO Tele Lens.
Can you tell me the max length of this lens with the hood unmounted and reversed in inches?

Also the total length in inches WITH the Hood in the mounted position?

Finally what is the max diameter of the widest part of the lens which I presume would be the Lens Hood itself (it looks to be 4 to 5 in. ) ?

I am looking to buy a trunk case for the lens since the one I am considering buying on Ebay DOES NOT have the Minolta aluminum trunk case. THANKS FOR YOUR HELP! Shawn

Michael Hohner answers:
The dimensions are (in metric units; sorry, I don't have a non-metric tape measure): Length with hood mounted: 40.5 cm (incl. rear cap) Length with hood reverse-mounted: 30.5 cm (incl. rear cap) Maximum diameter: 13 cm (which is the front cap) Maximum diameter of hood: 12 cm (1 in. = 2.54 cm)

#3: Comment posted by kaido on May 12th, 2014 - 11:50:57 PM:
I have a copy with low sharpness. If one knows where I can have it tuned please drop an email to 1kaidoloor at gmail com. Big thanks.

Michael Hohner answers:

There are a few things you can check yourself:

Is there a filter mounted on the front that is not the original Minolta filter? Test the lens without such a filter.
Is the AF calibrated correctly (if your camera supports AF calibration)? Do you get better results with manual focus?
Do you shoot distant objects during your tests? Remember that you then shoot through a lot of air, and in certain weather conditions this means you have lots of convection in the air, letting the distant objects appear unsharp. Try with close objectes.
If the objects are far away, also make sure that the AF limiter is not set by accident to restrict the focus range. Loosen the knob that holds the focus limiter to get the full range.
Make sure the unsharpness is not caused by vibration. Use image stabilisation and possibly a tripod.

#4: Comment posted by Marko on September 29th, 2015 - 10:29:54 AM:

Hello, do you know how to loosen the front element on this lens? My lens has developed an issue where the front metal part which holds the first lens group is slightly loose. I see that there are 4 screws which apparently are nolding the front part of the lens to the rest, and apparently those are loose. In order to access them, i need to unscrew the front lens group. There is a black and a grey ring which apparently hold the group in the lens body. Do I need to unscrew the grey (inner) or black (outer) ring or both?

Michael Hohner answers:
I have not disassembled my lens and have no other information about this.